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More than 60,000 fires scorched the Amazon in 2019 causing enormous damage to an ecosystem that’s vital to human existence. What caused the devastating blazes, how will they impact the climate crisis and will the Amazon ever be able to recover?

The staff of South Africa’s Manyoni Private Game Reserve passionately care for some of the world’s most exotic and endangered wild animals. From treating elephant foot infections to testing cheetahs for tuberculosis, they never know what to expect each day.

Food Anthropologist Dr. Bill Schindler is on an international quest to discover what we should eat. He and his family uncover ancient culinary practices and show how they can bring simplicity and good health to the modern kitchen.

Over 400 million cups of coffee are consumed daily in the United States alone. Making coffee one hot drink, even when served cold. Experts reveal what makes your specialty coffee taste the way it does.

What do you get when you combine a passion for tiny-house living with cutting-edge green technology? Designer Graham Hill converts a small shed in Hawaii into the ultimate eco-friendly tiny house and a blueprint for sustainable home design.

Firefighters have relied on the same basic tools for decades. But former NASA engineer Mike Ralston hopes to change that with MSTAR – a new breed of an emergency vehicle that brings a a powerful suite of high-tech tools from Silicon Valley to the front lines of firefighting.

Few films have had a bigger impact on the American psyche than “Woodstock.” Producer Dale Bell reveals what it took to create the revolutionary documentary that captured the defining moment of 1960s counterculture.

Have you ever wondered how much control you really have over your weight? New research may have an answer to that very question asked by many frequent dieters.

Deep in the mountains of West Virginia, the Green Bank Observatory has been receiving a mysterious signal from deep space. Could this be a message from an advanced civilization, or is it a much stranger and violent occurrence? Visit the largest steerable radio telescope on the planet for answers. 2019,

Should we save parasites? These species have a bad reputation but are an essential part of healthy ecosystems throughout the world. Learn how these unappreciated species are part of our ecology and evolution.

Follow a family of sperm whales in the heart of the Indian Ocean. Alongside a team of scientists, who have witnessed their most intimate moments over the past 7 years, we will lift the veil on the largest toothed predator on earth.

Every person is playing host to at least 40 trillion non-human microorganisms. Collectively, these microbes constitute what's called our microbiome. New science is revealing what these microbes do for us. How can understanding this, help us live healthier lives?

MOSE is one of the world’s largest and highest-profile civil-engineering works. But will it be able to save Venice? Venice has grappled with inundation for centuries. But due to natural subsidence and higher tides caused by global warming, the city is more vulnerable to flooding than ever before.

Worldwide, depression afflicts more than 300 million people, making it the leading global cause of disability. Suicide is the 2nd leading cause of death in the world for those aged 15-24 years. Now, there may be a new tool in fighting that depression in the 50-year-old anesthetic ketamine.

Oumuamua, the first known object to enter the solar system.

Adaptations in the oceans most colorful invertebrates. Nudibranchs, or sea slugs, have a remarkable range of adaptations to survive in the ocean. From weaponizing stinging cells, harvesting the power of the sun, spraying sulfuric acid, and turning their bodies into drift nets.

Current research in nutrition points to our diet as the most important factor in continued good health and longevity. Doctors, chefs, and nutritionists show us how going green with fresh ingredients and flavors in our daily meals will improve our health.

Domestication shaped wolves into dogs and transformed both their behavior and their anatomy. New discoveries show how dogs produce a very specific eyebrow movement more often than wolves do. But how and why did “puppy dog eyes” develop in domesticated dogs?

Increasingly high-tech tools are being used to evaluate youth baseball players. The question is can they outperform professional scouts?

Kelp forests harbor a greater variety and higher diversity of plants and animals than almost any other ocean community. Many organisms use the thick blades as a safe shelter for their young from predators or even rough storms. But, what can be done when this ecosystem is out of balance?

The fall of the Berlin Wall on November 9th, 1989, inevitably altered the landscape of modern geopolitical history. Watch never before seen footage taken from both sides of the wall, providing a glimpse at the everyday lives of the Berliners living within its confines.

From wildflower blooms in the desert to large colonies of jellyfish off of Monterey and unbelievable glow in the dark waves, this is California at its finest. Life can bloom in the most unexpected of ways.

Solar sails, the latest in space travel technology, could one day help us reach nearby stars. Follow the exciting missions laying the ground towards a new form of space exploration.

The octopus is as close to an alien being as anything we've seen on Earth. From a feeding frenzy at the bottom of the sea to a mother taking care of thousands of its eggs, travel to the pacific ocean to see them at their best and most weird.

Growing up in Montana, Casey Anderson came to love and appreciate wild animals at a very young age. He found a particular kinship with bears. One day he was faced with a fateful decision, leave and orphaned grizzly cub to die in the wild or save it. Now he is faced with that seam decision again.

The archeology of shipwrecks.

What does it take to become a professional tennis player? Both on and off the court preparations help build the strength of character and focused mind to take on the challenges of a sport that demands precision and superior athleticism.

Just over 100 years ago, a pair of brothers looked to the sky and changed the world. They designed, built and flew the most ridiculous of inventions. How did two bicycle mechanics manage to succeed where the others had failed?

Take a journey with famed underwater photographer Peter Kragh, as he explores the coast of California, and reveals some of the most spectacular life found under the sea.