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  • Documentary

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50x2
Ending HIV in America
Episode overview
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50x3
Saving Venice
Episode overview
This episode has no summary.
50x1
London Super Tunnel
Episode overview
For over a decade, more than 10,000 engineers and construction workers race to build a brand-new subterranean railroad under London— the Elizabeth Line—London’s new Underground. One of .. show full overview
50x2
Star Chasers of Senegal
Episode overview
A NASA spacecraft named Lucy blasts off from Cape Canaveral on a mission to the Trojans, a group of asteroids over 400 million miles from Earth thought to hold important clues about the .. show full overview
50x3
Ancient Builders of the Amazon
Episode overview
Recent stunning discoveries are exploding the myth of the Amazon as a primeval wilderness, revealing traces of ancient civilizations that flourished there for centuries. Dense .. show full overview
50x4
New Eye on the Universe
Episode overview
In July 2022, NASA’s James Webb Space Telescope released its first images, looking further back in time than ever before to show our universe in stunningly beautiful detail. But that was .. show full overview
50x5
Weathering the Future
Episode overview
It’s hard not to notice: our weather is changing. From longer, hotter heat waves, to more intense rainstorms, to megafires and multi-year droughts, the U.S. is experiencing the full .. show full overview
50x6
Chasing Carbon Zero
Episode overview
The U.S. recently set an ambitious climate change goal: zero carbon emissions by 2050. And to achieve that, slash emissions in half by 2030. Is it possible? And what kind of technology .. show full overview
50x7
Saving the Right Whale
Episode overview
North Atlantic right whales are among the planet’s most critically endangered large ocean mammals. With fewer than 350 remaining as of 2023, they could be extinct within 20 years. But .. show full overview
50x8
Hidden Volcano Abyss
Episode overview
Investigates one of the most powerful volcanic eruptions in recorded history.
50x9
Your Brain: Perception Deception
Episode overview
Is what you see real? Join neuroscientist Heather Berlin on a quest to understand how your brain shapes your reality, and why you can’t always trust what you perceive. In the first hour .. show full overview
50x10
Your Brain: Who's in Control?
Episode overview
Are you in control, or is your brain controlling you? Dive into the latest research on the subconscious with neuroscientist Heather Berlin. Sleepwalking, anesthesia, game theory, and .. show full overview
50x11
Ancient Earth: Birth of the Sky
Episode overview
Today, Earth is enveloped by a thin veil of gas, a narrow band of atmosphere that protects a world covered in lush green vegetation, deep blue oceans, and abundant life. But 4.5 billion .. show full overview
50x12
Ancient Earth: Frozen
Episode overview
700 million years ago, Earth was a giant snowball cloaked in ice from pole to pole – a global deep freeze that held the planet in a stranglehold, threatening the survival of the earliest .. show full overview
50x13
Ancient Earth: Life Rising
Episode overview
For billions of years, life teemed in the oceans of planet Earth while the land was desolate and inhospitable. So how did life make the leap to land? Scientists explore how some of the .. show full overview
50x14
Ancient Earth: Inferno
Episode overview
252 million years ago, the most devastating mass extinction of all time abruptly wiped out around 90% of all species on Earth. The culprits were the biggest volcanic eruptions the world .. show full overview
50x15
Ancient Earth: Humans
Episode overview
The story of Earth can only be told because now, 4.5 billion years into its existence, a technological and self-aware animal species roams its surface, able to study the very planet that .. show full overview
50x16
Inside China's Tech Boom
Episode overview
In the span of just a few decades, China has transformed into a science and technology superpower. But how did it get here and where is it headed? Take an insider’s tour of high-profile .. show full overview
50x17
The Battle to Beat Malaria
Episode overview
Malaria is one of humanity’s oldest and most devastating plagues. In many parts of the world, it remains an ever-present scourge that sickens or kills millions of people each year. What .. show full overview
50x18
Lee and Liza's Family Tree
Episode overview
Many descendants of enslaved people have little record of their family's ancestry. Follow one family's quest to discover their lost history, and see how science and genealogy can help .. show full overview

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