When male tarantulas reach maturity, right before they set out on their quest, they develop a special set of clasps on their front legs called “tibial hooks.” Tibial hooks serve a single .. show full overview
When male tarantulas reach maturity, right before they set out on their quest, they develop a special set of clasps on their front legs called “tibial hooks.” Tibial hooks serve a single purpose: to fasten underneath the female’s fangs during courtship, allowing him to keep danger at arm’s length, so to speak.
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0x17 Clearing up confusion about daddy longlegs Episode overview
Air date
Oct 05, 2022
This extra has no summary.
This extra has no summary.
Extras are not tracked
0x14 This Millipede and Beetle Have a Toxic Relationship Episode overview
Air date
Oct 10, 2022
Promecognathus crassus beetles are even able to withstand cyanide levels that would knock down beetles 10 times their size in lab tests.
Promecognathus crassus beetles are even able to withstand cyanide levels that would knock down beetles 10 times their size in lab tests.
0x43 These Parasites Produce a Gruesome Spectacle Episode overview
Air date
Feb 06, 2023
A baby hairworm hitches a ride inside a cricket, feasting on its fat until the coiled-up parasite is ready to burst out. Then it hijacks the cricket's mind and compels it to head to water for a gruesome little swim.
A baby hairworm hitches a ride inside a cricket, feasting on its fat until the coiled-up parasite is ready to burst out. Then it hijacks the cricket's mind and compels it to head to water for a gruesome little swim.
Here's how the director of photography for this episode, Kevin Collins, created the shot of earthworm cocoons that's featured at the end of our new Deep Look episode. He picked .. show full overview
Here's how the director of photography for this episode, Kevin Collins, created the shot of earthworm cocoons that's featured at the end of our new Deep Look episode. He picked individual cocoons from the dirt in his worm farm, washed them and arranged them with the most mature ones in the center of a dish and the least mature around them. Then he waited for earthworms to emerge from the most mature ones.
Our team recently filmed at the California Academy of Sciences in San Francisco, California. This museum is close enough to our producer's home that she preferred pedaling some of our .. show full overview
Our team recently filmed at the California Academy of Sciences in San Francisco, California. This museum is close enough to our producer's home that she preferred pedaling some of our camera gear back to her place, despite some of the logistical challenges of loading it into the child's seat!
For those who are less welcoming of these unexpected guests, you can ditch the wall-to-wall carpets, vacuum and mop often and reduce humidity, because dust mites are not usually found in .. show full overview
For those who are less welcoming of these unexpected guests, you can ditch the wall-to-wall carpets, vacuum and mop often and reduce humidity, because dust mites are not usually found in dry climates. Regardless, it’s practically impossible to rid a home of all of arthropod visitors.
In this behind the scenes video, watch how Deep Look's Teodros Hailye created this special animation that travels through the nudibranch’s complex digestive tract.
In this behind the scenes video, watch how Deep Look's Teodros Hailye created this special animation that travels through the nudibranch’s complex digestive tract.
When the enslaved babies grow up, the kidnappers trick them into serving their captors – hunting, cleaning the nest, even chewing up their food for them.
When the enslaved babies grow up, the kidnappers trick them into serving their captors – hunting, cleaning the nest, even chewing up their food for them.
Named for their transparent wings, glasswing butterflies have evolved a clever disappearing act to avoid their many predators in the rainforests of South and Central America.
Named for their transparent wings, glasswing butterflies have evolved a clever disappearing act to avoid their many predators in the rainforests of South and Central America.
Our digital video designer Teodros Hailye doesn't just create animations for our videos. He also makes cool replicas of some of the critters that we feature in our episodes, like this .. show full overview
Our digital video designer Teodros Hailye doesn't just create animations for our videos. He also makes cool replicas of some of the critters that we feature in our episodes, like this giant Western blacklegged tick we display at events! It's a 100 times larger than an actual tick and measures 12" long, 13" wide and 3" tall. (Fortunately, they don't grow this big in real life.)
Springtails' explosive jumps can propel them as high as the equivalent of a six-story building for humans. Here's our lead producer Josh Cassidy and Gabriela Quirós, the producer of this episode, filming them in action for our NEW episode!
Springtails' explosive jumps can propel them as high as the equivalent of a six-story building for humans. Here's our lead producer Josh Cassidy and Gabriela Quirós, the producer of this episode, filming them in action for our NEW episode!
Here's Josh Cassidy, our cinematographer and lead producer, on his quest to film the secret lives of sand dollars. He visited both land and sea to get a good look at them up close and .. show full overview
Here's Josh Cassidy, our cinematographer and lead producer, on his quest to film the secret lives of sand dollars. He visited both land and sea to get a good look at them up close and shares some of his production techniques along the way. Amanda Heidt, a former Deep Look summer media fellow and dive master, joined him on his expedition.
Our intern Sean Cummings, a science and environment journalist who just earned his master's degree in Science Communication at the University of California, Santa Cruz in June, took a .. show full overview
Our intern Sean Cummings, a science and environment journalist who just earned his master's degree in Science Communication at the University of California, Santa Cruz in June, took a turn behind the camera and filmed our lead producer and cinematographer Josh Cassidy in Santa Cruz, California. The star of this #DeepLook episode is the scaled wormsnail, which lives its entire life underwater in a tube that it constructed from calcium carbonate.
Most people who pick them up don’t realize that they’ve collected the skeleton of an animal, washed up at the end of a long life. That skeleton -- also known as a test -- is really a .. show full overview
Most people who pick them up don’t realize that they’ve collected the skeleton of an animal, washed up at the end of a long life. That skeleton -- also known as a test -- is really a tool, a remarkable feat of engineering that allows sand dollars to thrive on the shifting bottom of the sandy seafloor, an environment that most other sea creatures find inhospitable.
Ominous creatures that lurk deep underground in the desert, like the sandworms in the classic science fiction novel "Dune," aren’t just make-believe. For ants and other prey, wormlions are a terrifying reality.
Ominous creatures that lurk deep underground in the desert, like the sandworms in the classic science fiction novel "Dune," aren’t just make-believe. For ants and other prey, wormlions are a terrifying reality.
Also called eyelash mites, they’re too small to see with the naked eye. They’re mostly transparent, and at about .3 millimeters long, it would take about five face adult mites laid end to end to stretch across the head of a pin.
Also called eyelash mites, they’re too small to see with the naked eye. They’re mostly transparent, and at about .3 millimeters long, it would take about five face adult mites laid end to end to stretch across the head of a pin.
We've got a new Deep Look episode about acorn weevils, and producer Rosa Tuíran describes the behind the scenes action featuring Michael Jones, the UC Cooperative Extension Forest .. show full overview
We've got a new Deep Look episode about acorn weevils, and producer Rosa Tuíran describes the behind the scenes action featuring Michael Jones, the UC Cooperative Extension Forest Advisor for Mendocino, Lake and Sonoma Counties, and Deep Look lead producer and cinematographer Josh Cassidy.
While humans started farming about 12,000 years ago, ants have been doing it for 60 million years. Humans have plows and shovels, while leafcutters use their mandibles to cut through leaves with incredible speed, leaving telltale crescent shapes.
While humans started farming about 12,000 years ago, ants have been doing it for 60 million years. Humans have plows and shovels, while leafcutters use their mandibles to cut through leaves with incredible speed, leaving telltale crescent shapes.
Honeybees make honey from nectar to fuel their flight – and our sweet tooth. But they also need pollen for protein. So they trap, brush and pack it into baskets on their legs to make a special food called bee bread.
Honeybees make honey from nectar to fuel their flight – and our sweet tooth. But they also need pollen for protein. So they trap, brush and pack it into baskets on their legs to make a special food called bee bread.
We really hope you enjoy Deep Look as much as we love making it for you! But did you know that it takes 6-8 weeks to research, write, film, edit, compose and animate each episode? That's .. show full overview
We really hope you enjoy Deep Look as much as we love making it for you! But did you know that it takes 6-8 weeks to research, write, film, edit, compose and animate each episode? That's why we rely on financial support from our fans. Join our Patreon today to access exclusive show updates, interviews, behind the scenes footage, cool swag and so much more!
We're behind the scenes at the Aquarium of the Bay in San Francisco, CA. Cinematographer and lead producer Josh Cassidy worked with marine biologist Mike McGill as he filmed moon jellyfish.
We're behind the scenes at the Aquarium of the Bay in San Francisco, CA. Cinematographer and lead producer Josh Cassidy worked with marine biologist Mike McGill as he filmed moon jellyfish.
0x96 Blue Orchard Bees are Busy Little Builders Episode overview
Air date
Jan 22, 2024
Unlike honeybees, blue orchard bees don’t sting humans. And instead of building large colonies with thousands of worker bees caring for eggs laid by a queen bee, female blue orchard bees work alone to build their nests and stock them with food.
Unlike honeybees, blue orchard bees don’t sting humans. And instead of building large colonies with thousands of worker bees caring for eggs laid by a queen bee, female blue orchard bees work alone to build their nests and stock them with food.
Ever wonder how @sethgsamuel composes the original music for all of our episodes? Watch this Short as he gives a tour of some of the "instruments" he used for our "Meeting a Wormlion is the Pits" video.
Ever wonder how @sethgsamuel composes the original music for all of our episodes? Watch this Short as he gives a tour of some of the "instruments" he used for our "Meeting a Wormlion is the Pits" video.
Ever wonder how @sethgsamuel composes the original music for all of our episodes? Watch this Short as he gives a tour of some of the "instruments" he used for our "Meeting a Wormlion is the Pits" video.
Ever wonder how @sethgsamuel composes the original music for all of our episodes? Watch this Short as he gives a tour of some of the "instruments" he used for our "Meeting a Wormlion is the Pits" video.
We've got a NEW episode about how corals reproduce! Take a look behind the scenes to learn how we filmed our video with the help of the Coral Regeneration Lab at the calacademy.
We've got a NEW episode about how corals reproduce! Take a look behind the scenes to learn how we filmed our video with the help of the Coral Regeneration Lab at the calacademy.
Producer Mimi Schiffman collaborated with UC Berkeley researcher Liz Clark and Georgia Tech researcher Elio Challita for our episode about sharpshooter pee.
Producer Mimi Schiffman collaborated with UC Berkeley researcher Liz Clark and Georgia Tech researcher Elio Challita for our episode about sharpshooter pee.
The North American porcupine appears cute, but it has upward of 30,000 menacing quills over most of its body. The slow-moving herbivore delivers them only as a last-resort defense against predators.
The North American porcupine appears cute, but it has upward of 30,000 menacing quills over most of its body. The slow-moving herbivore delivers them only as a last-resort defense against predators.
For our slime molds episode, "This Pulsating Slime Mold Comes in Peace", our lead producer and cinematographer, Josh Cassidy, filmed Physarum slime molds in the lab of aerospace engineer .. show full overview
For our slime molds episode, "This Pulsating Slime Mold Comes in Peace", our lead producer and cinematographer, Josh Cassidy, filmed Physarum slime molds in the lab of aerospace engineer Juan Carlos del Álamo. He was also kind enough to answer the question about slime molds that came from a student named Jackson who's a big Deep Look fan!
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0x106 Behind the Scenes: How We Animated An Acorn Weevil Episode overview
Air date
Apr 01, 2024
Our digital video designer Teodros Hailye reveals how he created the animated version of the adorable acorn weevil!
Our digital video designer Teodros Hailye reveals how he created the animated version of the adorable acorn weevil!
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0x107 Get This Unbeweevibly Cute Pint Glass on Patreon Episode overview
Meet Andrew Saintsing, our current Deep Look intern! He's a science journalist and communicator who recently earned a PhD from the Department of Integrative Biology at the University of .. show full overview
Meet Andrew Saintsing, our current Deep Look intern! He's a science journalist and communicator who recently earned a PhD from the Department of Integrative Biology at the University of California, Berkeley. Learn more with his conversation with producer Mimi Schiffman.
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0x111 It's Time to Face The Facts About Face Mites Episode overview
Air date
May 06, 2024
Also called eyelash mites, they’re too small to see with the naked eye. They’re mostly transparent, and at about .3 millimeters long, it would take about five face adult mites laid end to end to stretch across the head of a pin.
Also called eyelash mites, they’re too small to see with the naked eye. They’re mostly transparent, and at about .3 millimeters long, it would take about five face adult mites laid end to end to stretch across the head of a pin.
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0x112 Cochineal Insects' Vibrant Red Is To Dye For Episode overview
Air date
May 13, 2024
Deep Look traveled to Oaxaca, Mexico to film cochineal insects! We collaborated with Ana Lilia Vigueras, a researcher at the University of Guadalajara’s Centro Universitario de Ciencias Biológicas y Agropecuaria.
Deep Look traveled to Oaxaca, Mexico to film cochineal insects! We collaborated with Ana Lilia Vigueras, a researcher at the University of Guadalajara’s Centro Universitario de Ciencias Biológicas y Agropecuaria.
Deep Look producer Gabriela Quirós filmed with the Perez family in Oaxaca, Mexico for her episode about stingless bees. Beekeeper Emilio Perez keeps four different species of stingless bees at his home to sell their honey.
Deep Look producer Gabriela Quirós filmed with the Perez family in Oaxaca, Mexico for her episode about stingless bees. Beekeeper Emilio Perez keeps four different species of stingless bees at his home to sell their honey.
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0x122 Down in the La Brea Tar Pits with #DeepLook Episode overview
Air date
Aug 05, 2024
#DeepLook producer Rosa Tuirán and cinematographer Josh Cassidy traveled to Los Angeles, California to the @LaBreaTarPitsandMuseum in Los Angeles, CA to film the petroleum fly. This .. show full overview
#DeepLook producer Rosa Tuirán and cinematographer Josh Cassidy traveled to Los Angeles, California to the @LaBreaTarPitsandMuseum in Los Angeles, CA to film the petroleum fly. This remarkable insect swims freely amidst the prehistoric fossils. Like the alkali fly in Mono Lake and other members of the shorefly family, it has adapted to an extreme environment and has turned this deadly trap into their home.
Dr. Martin Hall is a Scientific Associate the Natural History Museum in London, and his research about blow flies has been helpful to his work as forensic entomologist.
Dr. Martin Hall is a Scientific Associate the Natural History Museum in London, and his research about blow flies has been helpful to his work as forensic entomologist.
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0x124 What Tools Are Used at the La Brea Tar Pits? Episode overview
Air date
Aug 19, 2024
This extra has no summary.
This extra has no summary.
Extras are not tracked
0x125 Meet the Zapotec Weavers Who Use Cochineal Dye Episode overview
Air date
Aug 26, 2024
In our Deep Look episode, "Meet the Bug You Didn't Know You Were Eating", producer Rosa Tuíran featured several members of the Gonzalez family. They're fifth-generation Zapotec weavers .. show full overview
In our Deep Look episode, "Meet the Bug You Didn't Know You Were Eating", producer Rosa Tuíran featured several members of the Gonzalez family. They're fifth-generation Zapotec weavers working with natural dyes made from cochineal insects at Casa Don Juan, their family-run workshop.
These wasp houses are not homes exactly, but more akin to nurseries. The galls serve as an ideal environment for wasp larvae, whether it is a single offspring, or dozens.
These wasp houses are not homes exactly, but more akin to nurseries. The galls serve as an ideal environment for wasp larvae, whether it is a single offspring, or dozens.
“Aquatic bird feathers are really different than those of other birds." --Jack Dumbacher, curator of ornithology and mammalogy at the California Academy of Sciences in San Francisco.
“Aquatic bird feathers are really different than those of other birds." --Jack Dumbacher, curator of ornithology and mammalogy at the California Academy of Sciences in San Francisco.
Humans have bred these insects into weaving machines that can no longer survive in the wild.
Humans have bred these insects into weaving machines that can no longer survive in the wild.
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0x130 Here's How Ducks Condition Their Feathers Episode overview
Air date
Sep 18, 2024
Ducks and geese spend a lot of time preening their all-weather feathers. This obsessive grooming – and a little styling wax from a hidden spot on their back side – maintains the .. show full overview
Ducks and geese spend a lot of time preening their all-weather feathers. This obsessive grooming – and a little styling wax from a hidden spot on their back side – maintains the microscopic feather structure that keeps them warm and dry in frigid waters.
Our lead producer and cinematographer Josh Cassidy takes you on a behind-the-scenes tour of where he filmed his new Deep Look episode about sunflowers!
Our lead producer and cinematographer Josh Cassidy takes you on a behind-the-scenes tour of where he filmed his new Deep Look episode about sunflowers!
Thanks to all of you we’ve got over 2 million subscribers, 500 million views and almost 200 videos about the most amazing and also terrifying, shocking animals, plants and fungi! Many thanks to you, our deep peeps, for watching all these years!
Thanks to all of you we’ve got over 2 million subscribers, 500 million views and almost 200 videos about the most amazing and also terrifying, shocking animals, plants and fungi! Many thanks to you, our deep peeps, for watching all these years!
A tiny insect called the Asian citrus psyllid is threatening your oranges, lemons and limes. So to protect the valuable citrus industry, Mark Hoddle and his UC Riverside team are going after the psyllids’ ant bodyguards.
A tiny insect called the Asian citrus psyllid is threatening your oranges, lemons and limes. So to protect the valuable citrus industry, Mark Hoddle and his UC Riverside team are going after the psyllids’ ant bodyguards.
These crustaceans use a funky assortment of body parts to move around like inchworms, feed on bits of sea garbage, stage boxing matches, and make lots of clingy babies.
These crustaceans use a funky assortment of body parts to move around like inchworms, feed on bits of sea garbage, stage boxing matches, and make lots of clingy babies.
How does one film sand piranhas for a Deep Look episode? It helps to work with researchers from the University of California, Santa Barbara! They helped us collect these tiny, hungry .. show full overview
How does one film sand piranhas for a Deep Look episode? It helps to work with researchers from the University of California, Santa Barbara! They helped us collect these tiny, hungry crustaceans -- and even volunteered themselves as bait to film some intense close-ups.
What if you had to grow 20 pounds of bone on your forehead each year just to find a mate? In a bloody, itchy process, males of the deer family grow a new set of antlers every year, use .. show full overview
What if you had to grow 20 pounds of bone on your forehead each year just to find a mate? In a bloody, itchy process, males of the deer family grow a new set of antlers every year, use them to fend off the competition, and lose their impressive crowns when breeding season ends.
Dyes made from the cochineal insect have been used in textiles, paintings -- and even in your food! See some of our fellow KQED staff members trying -- and reacting to -- different foods that contain the dye.
Dyes made from the cochineal insect have been used in textiles, paintings -- and even in your food! See some of our fellow KQED staff members trying -- and reacting to -- different foods that contain the dye.
The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of .. show full overview
The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in detecting cancer.
Ladybugs may be the cutest insects around, but they don't start off that way. Also called lady beetles or ladybirds, they pop out of their eggs as prickly mini-monsters with an .. show full overview
Ladybugs may be the cutest insects around, but they don't start off that way. Also called lady beetles or ladybirds, they pop out of their eggs as prickly mini-monsters with an insatiable hunger for aphids. Once they've bulked up, they transform, shedding their terrifying looks, but keeping their killer vibes.
These wasp houses are not homes exactly, but more akin to nurseries. The galls serve as an ideal environment for wasp larvae, whether it is a single offspring, or dozens.
These wasp houses are not homes exactly, but more akin to nurseries. The galls serve as an ideal environment for wasp larvae, whether it is a single offspring, or dozens.
The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of .. show full overview
The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in detecting cancer.
Octopuses and cuttlefish are masters of underwater camouflage, blending in seamlessly against a rock or coral. But squid have to hide in the open ocean, mimicking the subtle interplay of .. show full overview
Octopuses and cuttlefish are masters of underwater camouflage, blending in seamlessly against a rock or coral. But squid have to hide in the open ocean, mimicking the subtle interplay of light, water, and waves. How do they do it? (And it is NOT OCTOPI)
Octopuses and cuttlefish are masters of underwater camouflage, blending in seamlessly against a rock or coral. But squid have to hide in the open ocean, mimicking the subtle interplay of .. show full overview
Octopuses and cuttlefish are masters of underwater camouflage, blending in seamlessly against a rock or coral. But squid have to hide in the open ocean, mimicking the subtle interplay of light, water, and waves. How do they do it? (And it is NOT OCTOPI)
Mussels create byssal threads, known as the mussel's "beard," to attach themselves both to rocks and to each other. They use their sensitive foot to mold the threads from scratch and apply a waterproof adhesive that makes superglue jealous.
Mussels create byssal threads, known as the mussel's "beard," to attach themselves both to rocks and to each other. They use their sensitive foot to mold the threads from scratch and apply a waterproof adhesive that makes superglue jealous.
They may look serene as they glide across the surface of a stream, but don't be fooled by water striders. They're actually searching for prey for whom a babbling brook quickly becomes an inescapable death trap.
They may look serene as they glide across the surface of a stream, but don't be fooled by water striders. They're actually searching for prey for whom a babbling brook quickly becomes an inescapable death trap.
When a hungry bird comes near them, wandering salamanders can jump off the tallest trees in the world, California's coast redwoods, skydiving to a safe branch. Researchers decided to put .. show full overview
When a hungry bird comes near them, wandering salamanders can jump off the tallest trees in the world, California's coast redwoods, skydiving to a safe branch. Researchers decided to put them in a wind tunnel to investigate their daring moves in slow motion.
When a hungry bird comes near them, wandering salamanders can jump off the tallest trees in the world, California's coast redwoods, skydiving to a safe branch. Researchers decided to put .. show full overview
When a hungry bird comes near them, wandering salamanders can jump off the tallest trees in the world, California's coast redwoods, skydiving to a safe branch. Researchers decided to put them in a wind tunnel to investigate their daring moves in slow motion.
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
It's not vanity. For cats, staying clean is a matter of life and death. And their tongue, specially equipped for the job, is just one of the things that makes cats such successful predators.
Mussels create byssal threads, known as the mussel's "beard," to attach themselves both to rocks and to each other. They use their sensitive foot to mold the threads from scratch and apply a waterproof adhesive that makes superglue jealous.
Mussels create byssal threads, known as the mussel's "beard," to attach themselves both to rocks and to each other. They use their sensitive foot to mold the threads from scratch and apply a waterproof adhesive that makes superglue jealous.
African elephants may have magnificent ears, but on the savanna, they communicate over vast distances by picking up underground signals with their sensitive, fatty feet.
African elephants may have magnificent ears, but on the savanna, they communicate over vast distances by picking up underground signals with their sensitive, fatty feet.
Giant Malaysian leaf insects stay still – very still – on their host plants to avoid hungry predators. But as they grow up, they can't get lazy with their camouflage. They change – and even dance – to blend in with the ever-shifting foliage.
Giant Malaysian leaf insects stay still – very still – on their host plants to avoid hungry predators. But as they grow up, they can't get lazy with their camouflage. They change – and even dance – to blend in with the ever-shifting foliage.
Originally from North Carolina, Trinity Walls is currently a PhD candidate at the University of California, Berkeley who is studying mating behavior and hybridization in two species of .. show full overview
Originally from North Carolina, Trinity Walls is currently a PhD candidate at the University of California, Berkeley who is studying mating behavior and hybridization in two species of Phidippus jumping spiders: regal jumping spiders (Phidippus regius) and canopy jumping spiders (Phidippus otiosus). Join her as she explains what happens during a typical regal jumping spider courtship.
Originally from North Carolina, Trinity Walls is currently a PhD candidate at the University of California, Berkeley who is studying mating behavior and hybridization in two species of .. show full overview
Originally from North Carolina, Trinity Walls is currently a PhD candidate at the University of California, Berkeley who is studying mating behavior and hybridization in two species of Phidippus jumping spiders: regal jumping spiders (Phidippus regius) and canopy jumping spiders (Phidippus otiosus). Join her as she explains why she's not afraid of spiders and loves studying these fascinating arachnids.
Originally from North Carolina, Trinity Walls is currently a PhD candidate at the University of California, Berkeley who is studying mating behavior and hybridization in two species of .. show full overview
Originally from North Carolina, Trinity Walls is currently a PhD candidate at the University of California, Berkeley who is studying mating behavior and hybridization in two species of Phidippus jumping spiders: regal jumping spiders (Phidippus regius) and canopy jumping spiders (Phidippus otiosus). Join her as she explains what happens when a male regal jumping spider sees his reflection in a mirror.
Sharpshooters survive by guzzling a lot of plant sap. But drinking all of that liquid nutrition presents a problem for these tiny insects: How do they move it all out? Easy. They've .. show full overview
Sharpshooters survive by guzzling a lot of plant sap. But drinking all of that liquid nutrition presents a problem for these tiny insects: How do they move it all out? Easy. They've perfected a super-propulsive urination technique using a special catapult in their butt.
Sharpshooter insects are beautiful, but they transmit a devastating disease that kills grapevines. When it's time to mate, they shake their abdomens to make strange calls that – when .. show full overview
Sharpshooter insects are beautiful, but they transmit a devastating disease that kills grapevines. When it's time to mate, they shake their abdomens to make strange calls that – when amplified in a lab – sound like a clucking chicken, a howling monkey or a motorcycle revving up. Now scientists have found a way to use their songs against them.
Meet Maddy Hannappel, a postdoctoral fellow at the California Academy of Sciences. She's studying long-jawed orb weaver spiders, and she shares in this video what we can learn about our ecosystem from her research.
Meet Maddy Hannappel, a postdoctoral fellow at the California Academy of Sciences. She's studying long-jawed orb weaver spiders, and she shares in this video what we can learn about our ecosystem from her research.
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0x183 Here's Why Pelicans are Diving Powerhouses Episode overview
Air date
May 21, 2025
Brown pelicans hit the water at breakneck speed when they catch fish. Performing such dangerous plunges requires technique, equipment, and 30 million years of practice.
Brown pelicans hit the water at breakneck speed when they catch fish. Performing such dangerous plunges requires technique, equipment, and 30 million years of practice.
Tiny marine flatworms called acoels hunt for prey in coral reefs. They're referred to as “plant-animals'' because they've got a partnership with photosynthetic algae that live inside of .. show full overview
Tiny marine flatworms called acoels hunt for prey in coral reefs. They're referred to as “plant-animals'' because they've got a partnership with photosynthetic algae that live inside of them. But this acoel's real superpower is its ability to regenerate any part of its body!
Tiny marine flatworms called acoels hunt for prey in coral reefs. They're referred to as “plant-animals'' because they've got a partnership with photosynthetic algae that live inside of .. show full overview
Tiny marine flatworms called acoels hunt for prey in coral reefs. They're referred to as “plant-animals'' because they've got a partnership with photosynthetic algae that live inside of them. But this acoel's real superpower is its ability to regenerate any part of its body!
Our former Deep Look host, Laura Klivans, has bid farewell to us -- but she'll be continuing with her climate change reporting and other topics for KQED News. We'll miss her very much!
Our former Deep Look host, Laura Klivans, has bid farewell to us -- but she'll be continuing with her climate change reporting and other topics for KQED News. We'll miss her very much!
Humans aren’t the only creatures that get frustrated. Squirrels do too. One researcher wants to know, could there be an evolutionary benefit to losing your cool?
Humans aren’t the only creatures that get frustrated. Squirrels do too. One researcher wants to know, could there be an evolutionary benefit to losing your cool?
Humans aren’t the only creatures that get frustrated. Squirrels do too. One researcher wants to know, could there be an evolutionary benefit to losing your cool?
Humans aren’t the only creatures that get frustrated. Squirrels do too. One researcher wants to know, could there be an evolutionary benefit to losing your cool?
Those precious silk garments in your closet were made by the caterpillar of a fuzzy white moth – thousands of them. Silkworms spin a cocoon with a single strand of silk up to ten city .. show full overview
Those precious silk garments in your closet were made by the caterpillar of a fuzzy white moth – thousands of them. Silkworms spin a cocoon with a single strand of silk up to ten city blocks long. Humans have bred these insects into weaving machines that can no longer survive in the wild.
Those precious silk garments in your closet were made by the caterpillar of a fuzzy white moth – thousands of them. Silkworms spin a cocoon with a single strand of silk up to ten city .. show full overview
Those precious silk garments in your closet were made by the caterpillar of a fuzzy white moth – thousands of them. Silkworms spin a cocoon with a single strand of silk up to ten city blocks long. Humans have bred these insects into weaving machines that can no longer survive in the wild.
Extras are not tracked
0x191 A Ponderosa Pine's Bark Has Got a Lot of Fight Episode overview
Air date
Jun 23, 2025
An onslaught of tiny western pine beetles can bring down a mighty ponderosa pine. But the forest fights back by waging a sticky attack of its own. Who will win the battle in the bark?
An onslaught of tiny western pine beetles can bring down a mighty ponderosa pine. But the forest fights back by waging a sticky attack of its own. Who will win the battle in the bark?
Extras are not tracked
0x192 Patience is a Virtue When Filming Insects Episode overview
Air date
Jun 30, 2025
It's not always easy to get a crucial shot for an episode; in this case, a wasp parasitizing a clothes moth egg. But with a lot of patience and the help of the Biological Imaging .. show full overview
It's not always easy to get a crucial shot for an episode; in this case, a wasp parasitizing a clothes moth egg. But with a lot of patience and the help of the Biological Imaging Facility at the University of California, Berkeley -- producer Rosa Tuirán and cinematographer Josh Cassidy were able to film this unique behavior.
Asian citrus psyllids transmit a disease that can ruin your oranges. Even worse, Argentine ants protect them in exchange for the psyllids' delicate ribbons of sugary poop, called .. show full overview
Asian citrus psyllids transmit a disease that can ruin your oranges. Even worse, Argentine ants protect them in exchange for the psyllids' delicate ribbons of sugary poop, called honeydew. So, researchers are helping orange growers fight back with invisible lasers, ghastly wasps and more trickery.
Salmon make a perilous voyage upstream past hungry eagles and bears to mate in forest creeks. When the salmon die, a new journey begins – with maggots.
Salmon make a perilous voyage upstream past hungry eagles and bears to mate in forest creeks. When the salmon die, a new journey begins – with maggots.
Salmon make a perilous voyage upstream past hungry eagles and bears to mate in forest creeks. When the salmon die, a new journey begins – with maggots.
Salmon make a perilous voyage upstream past hungry eagles and bears to mate in forest creeks. When the salmon die, a new journey begins – with maggots.
Sharpshooter insects are beautiful, but they transmit a devastating disease that kills grapevines. When it's time to mate, they shake their abdomens to make strange calls that – when .. show full overview
Sharpshooter insects are beautiful, but they transmit a devastating disease that kills grapevines. When it's time to mate, they shake their abdomens to make strange calls that – when amplified in a lab – sound like a clucking chicken, a howling monkey or a motorcycle revving up. Now scientists have found a way to use their songs against them.
Argentine ants are spreading across the globe, eliminating local ants with their take-no-prisoners tactics: invade, dismember, repeat. But this ruthless killer seems to have met its .. show full overview
Argentine ants are spreading across the globe, eliminating local ants with their take-no-prisoners tactics: invade, dismember, repeat. But this ruthless killer seems to have met its match in the winter ant, a California native with a formidable secret weapon.
During the highest tides, California grunion stampede out of the ocean to mate on the beach. When the party's over, thousands of tiny eggs are left stranded up in the sand. How will their lost babies make it back to the sea?
During the highest tides, California grunion stampede out of the ocean to mate on the beach. When the party's over, thousands of tiny eggs are left stranded up in the sand. How will their lost babies make it back to the sea?
Cone Snails have an arsenal of tools and weapons under their pretty shells. These reef-dwelling hunters nab their prey in microseconds, then slowly eat them alive.
Cone Snails have an arsenal of tools and weapons under their pretty shells. These reef-dwelling hunters nab their prey in microseconds, then slowly eat them alive.
Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to .. show full overview
Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to survive. This is a huge challenge for animal shelters, so they're working with researchers on ways to help motherless kittens flourish.
During the highest tides, California grunion stampede out of the ocean to mate on the beach. When the party's over, thousands of tiny eggs are left stranded up in the sand. How will their lost babies make it back to the sea?
During the highest tides, California grunion stampede out of the ocean to mate on the beach. When the party's over, thousands of tiny eggs are left stranded up in the sand. How will their lost babies make it back to the sea?
They might look like harmless grasshoppers, but locusts have an appetite for destruction. When the conditions are right, they transform from mild-mannered loners into gregarious .. show full overview
They might look like harmless grasshoppers, but locusts have an appetite for destruction. When the conditions are right, they transform from mild-mannered loners into gregarious partiers. They swarm, causing chaos and suffering at the level of a biblical plague. So what sets them off?
Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to .. show full overview
Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to survive. This is a huge challenge for animal shelters, so they're working with researchers on ways to help motherless kittens flourish.
Argentine ants are spreading across the globe, eliminating local ants with their take-no-prisoners tactics: invade, dismember, repeat. But this ruthless killer seems to have met its .. show full overview
Argentine ants are spreading across the globe, eliminating local ants with their take-no-prisoners tactics: invade, dismember, repeat. But this ruthless killer seems to have met its match in the winter ant, a California native with a formidable secret weapon.
Deep Look producer Gabriela Quirós filmed with the Perez family in Oaxaca, Mexico for her episode about stingless bees. Beekeeper Emilio Pérez keeps four different species of stingless bees at his home to sell their honey.
Deep Look producer Gabriela Quirós filmed with the Perez family in Oaxaca, Mexico for her episode about stingless bees. Beekeeper Emilio Pérez keeps four different species of stingless bees at his home to sell their honey.
They might look like harmless grasshoppers, but locusts have an appetite for destruction. When the conditions are right, they transform from mild-mannered loners into gregarious .. show full overview
They might look like harmless grasshoppers, but locusts have an appetite for destruction. When the conditions are right, they transform from mild-mannered loners into gregarious partiers. They swarm, causing chaos and suffering at the level of a biblical plague. So what sets them off?
Cone Snails have an arsenal of tools and weapons under their pretty shells. These reef-dwelling hunters nab their prey in microseconds, then slowly eat them alive.
Cone Snails have an arsenal of tools and weapons under their pretty shells. These reef-dwelling hunters nab their prey in microseconds, then slowly eat them alive.
Researchers are helping orange growers fight Asian citrus psyllids pests with invisible lasers, ghastly wasps and more trickery.
Researchers are helping orange growers fight Asian citrus psyllids pests with invisible lasers, ghastly wasps and more trickery.
Extras are not tracked
0x210 This Research Could Help Kittens Get Adopted Episode overview
Air date
Oct 08, 2025
But raising orphaned newborns into healthy two-month-olds ready to be adopted requires an enormous behind-the-scenes effort. All across the country, volunteer foster parents log many .. show full overview
But raising orphaned newborns into healthy two-month-olds ready to be adopted requires an enormous behind-the-scenes effort. All across the country, volunteer foster parents log many sleepless nights bottle-feeding kittens every few hours. So researchers and shelters are trying to figure out ways to make it easier.
Earwigs are not interested in climbing into your ear to lay their eggs or otherwise. They’re no more likely than any other bug to accidentally find its way into you ear.
Earwigs are .. show full overview
Earwigs are not interested in climbing into your ear to lay their eggs or otherwise. They’re no more likely than any other bug to accidentally find its way into you ear.
Earwigs are equipped with some pretty imposing pincers on their rear, and they're not afraid to use them. But when it comes to these appendages, size isn't everything.
Dogs have a famously great sense of smell, but what makes their noses so much more powerful than ours? They're packing some sophisticated equipment inside that squishy schnozz.
Dogs have a famously great sense of smell, but what makes their noses so much more powerful than ours? They're packing some sophisticated equipment inside that squishy schnozz.
According to one estimate, dogs are 10,000-100,000 times more sensitive to smell than humans. Follow along as search and rescue dog Zinka, a champion sniffer, goes on a scent tracking journey.
According to one estimate, dogs are 10,000-100,000 times more sensitive to smell than humans. Follow along as search and rescue dog Zinka, a champion sniffer, goes on a scent tracking journey.
Extras are not tracked
0x214 The Fascinating Life Cycle of Tumbleweeds Episode overview
Air date
Oct 23, 2025
Tumbleweeds start out attached to the soil with seedlings that sprout at the end of winter. By summer, these plants take on their round shape and grow flowers. Inside each flower, a .. show full overview
Tumbleweeds start out attached to the soil with seedlings that sprout at the end of winter. By summer, these plants take on their round shape and grow flowers. Inside each flower, a fruit with a seed develops.
Some plants grow tasty fruit that attracts animals who get to carry away and disperse their seeds. Tumbleweeds developed a different evolutionary strategy.
Tumbleweeds might be the iconic props of classic Westerns. But in real life, they’re not only a noxious weed, but one that moves around. Pushed by gusts of wind, they can overwhelm entire neighborhoods.
Tumbleweeds might be the iconic props of classic Westerns. But in real life, they’re not only a noxious weed, but one that moves around. Pushed by gusts of wind, they can overwhelm entire neighborhoods.
0x217 You Heard Of A Murder Of Crows. How About A Crow Funeral? Episode overview
Air date
Oct 29, 2025
Unlike most animals, crows react strongly when they see a fellow member of their species has died.
Unlike most animals, crows react strongly when they see a fellow member of their species has died.
Extras are not tracked
0x218 Why The Male Black Widow is a Real Home Wrecker Episode overview
Air date
Oct 30, 2025
Sure, the female black widow has a terrible reputation. But who’s the real victim here?
Sure, the female black widow has a terrible reputation. But who’s the real victim here?
Extras are not tracked
0x219 Watch Flesh-Eating Beetles Strip Bodies To The Bone Episode overview
Air date
Nov 01, 2025
These helpful #beetles assist museum scientists prep specimens for collections.
These helpful #beetles assist museum scientists prep specimens for collections.
Extras are not tracked
0x220 Here Is What Earwigs Do With Their Big Pincers Episode overview
Air date
Nov 03, 2025
Earwigs are equipped with some pretty imposing pincers on their rear, and they're not afraid to use them. But when it comes to these appendages, size isn't everything.
Earwigs are equipped with some pretty imposing pincers on their rear, and they're not afraid to use them. But when it comes to these appendages, size isn't everything.
Extras are not tracked
0x221 Whispering Bats Find Their Prey By Creeping Through The Dark Episode overview
Air date
Nov 04, 2025
Slicing through the shadows. Scanning for prey. Hidden under a cloak of darkness. Bats are masters of the night sky. Thanks to their twin superpowers. Flight and echolocation. Using sound waves to find prey.
Slicing through the shadows. Scanning for prey. Hidden under a cloak of darkness. Bats are masters of the night sky. Thanks to their twin superpowers. Flight and echolocation. Using sound waves to find prey.
Extras are not tracked
0x222 Why Do Some Earwigs Have Lopsided Pincers? Episode overview
Air date
Nov 05, 2025
Many animals seem to show a preference for symmetry in a potential mate. It can be a clue that the mate has the genes necessary to develop properly and thrive in an environment full of stresses and dangers.
Many animals seem to show a preference for symmetry in a potential mate. It can be a clue that the mate has the genes necessary to develop properly and thrive in an environment full of stresses and dangers.
Extras are not tracked
0x223 Dragonfly vs. Damselfly: Who Is a Better Hunter? Episode overview
Air date
Nov 10, 2025
Dragonflies and damselflies may look alike, but these expert hunters have distinct strategies. Dragonflies rule the open skies, while damselflies hover like tiny helicopters through dense vegetation.
Dragonflies and damselflies may look alike, but these expert hunters have distinct strategies. Dragonflies rule the open skies, while damselflies hover like tiny helicopters through dense vegetation.
You know those couples that do everything together? Lovebugs, also known as honeymoon flies, can spend anywhere from a half-hour to a couple of days attached to each other.
You know those couples that do everything together? Lovebugs, also known as honeymoon flies, can spend anywhere from a half-hour to a couple of days attached to each other.
The vine mealybug feeds on grapevines, then covers the plants and fruit with a sticky honeydew excrement that can ruin the grapes and gather mold. Not everyone hates mealybug excreta – .. show full overview
The vine mealybug feeds on grapevines, then covers the plants and fruit with a sticky honeydew excrement that can ruin the grapes and gather mold. Not everyone hates mealybug excreta – ants gobble it up – and provide bodyguard services in exchange, protecting mealybugs from would-be predators.
Extras are not tracked
0x226 These Lady Beetles Have a Voracious Appetite for Mealybugs Episode overview
Air date
Nov 19, 2025
The vine mealybug feeds on grapevines, then covers the plants and fruit with a sticky honeydew excrement that can ruin the grapes and gather mold. But the plants have an ally in the .. show full overview
The vine mealybug feeds on grapevines, then covers the plants and fruit with a sticky honeydew excrement that can ruin the grapes and gather mold. But the plants have an ally in the mealybug destroyer! As larvae, the mealybug destroyer dons the attire of its prey, a wolf in very sheepy sheep's clothing.
Some butterfly scales are colored by pigments. But others rely on something called “structural color” – the production of color by nano-sized elaborate shapes that reflect and bend light.
Some butterfly scales are colored by pigments. But others rely on something called “structural color” – the production of color by nano-sized elaborate shapes that reflect and bend light.
Extras are not tracked
0x228 These Flesh-Eating Beetles Are an Ally to Museum Scientists Episode overview
Air date
Nov 26, 2025
What makes dermestid beetles ideal for cleaning museum specimens is that they’re fast and fastidious eaters. They can pick a carcass clean while leaving even the most delicate bone structures intact.
What makes dermestid beetles ideal for cleaning museum specimens is that they’re fast and fastidious eaters. They can pick a carcass clean while leaving even the most delicate bone structures intact.
Extras are not tracked
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