TED Talks
TED: Your invitation to help build a sustainable future | Jim Snabe
If we want to avoid a climate disaster, we need much more radical leadership, says Jim Snabe, who knows a thing or two about leadership as chairman of the world's largest maritime shipping company. In a stirring talk, he encourages...
SciShow
What Took Down These Three Ancient Civilizations?
When it comes to piecing together what happened to civilizations that no longer exist, it can be challenging to solve the mystery. But research into Angkor, the Akkadian Empire, and even the Norse of Greenland, is helping us see that...
SciShow
Launching Rockets Mid-Air
If you picture a rocket launch, do you imagine it taking off from a hot air balloon? In this episode, we'll learn how using balloons to launch sounding rockets advanced our understanding of planet Earth, radiation, and how to keep...
SciShow
More Clues to the Oldest Fossils Ever
New evidence suggests some fossils as the oldest known sign of life on Earth, and scientists may have a way to speed up the process of carbon neutralization in the ocean!
SciShow
Hurricane Sandy FAQs
In the wake of Hurricane Sandy, Hank answers some frequently asked questions about it, and how it got to be so crazy. What is up with this storm? Has this ever happened before? This is global warming right?
TED Talks
TED: 10 years to transform the future of humanity -- or destabilize the planet | Johan Rockström
For the first time, we are forced to consider the real risk of destabilizing the entire planet, says climate impact scholar Johan Rockström. In a talk backed by vivid animations of the climate crisis, he shows how nine out of the 15 big...
SciShow
What Will the World Look Like, 2°C Warmer?
A world only 2°C warmer, or 3.6°F, would be one that is much different than the world we live in today, but what does that actually look like?
SciShow
Science Superlatives of 2013
Hank counts down some of the science superlatives from 2013: the first, biggest, strongest and longest things that were discovered, built or otherwise described. Find out his year's superlatives. They're the best!
TED Talks
TED: Drawings that show the beauty and fragility of earth | Zaria Forman
Zaria Forman's large-scale compositions of melting glaciers, icebergs floating in glassy water and waves cresting with foam explore moments of transition, turbulence and tranquility. Join her as she discusses the meditative process of...
SciShow
Megatsunamis Worlds Biggest Wave
Megatsunamis are not only much larger than your average tsunami, they also form under different conditions. Good news: they're extremely rare. Bad news: they might not be for long.
SciShow
The Nuclear City Lost Under Ice | Camp Century
Hidden beneath Greenland’s ice and powered by a nuclear reactor, Camp Century made for an interesting US military base. But life under the ice came with unique struggles; and although it wasn’t mainly constructed for science, the base...
TED Talks
TED: What's hidden under the Greenland ice sheet? | Kristin Poinar
The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the ice sheet is a vast aquifer that holds...
SciShow
Climate Change Could Be Taking the Ocean’s Breath Away
The Labrador Sea is also known as the ocean's lung, and there's evidence that it's in a lot of trouble.
SciShow
Cheating Can Be Hazardous to Your Health
Hank brings you news from around the universe, including what you can't blame on global warming, why being unfaithful is hazardous to your health, and how to watch a particularly awesome spectacle coming to a sky near you.
Crash Course
What Are Glaciers? Crash Course Geography
Today we’re going to talk about glaciers. These behemoth globs of compressed ice and snow moving across the land created fertile soils and physical features while also serving as frozen time capsules. They recorded both Earth’s climatic...
TED Talks
Camille Seaman: Haunting photos of polar ice
Photographer Camille Seaman shoots icebergs, showing the world the complex beauty of these massive, ancient chunks of ice. Dive in to her photo slideshow, "The Last Iceberg."
TED Talks
Jared Diamond: Why do societies collapse?
Why do societies fail? With lessons from the Norse of Iron Age Greenland, deforested Easter Island and present-day Montana, Jared Diamond talks about the signs that collapse is near, and how -- if we see it in time -- we can prevent it.
SciShow
3 Times Scientists Did Weird Experiments With Rubber Ducks
Rubber ducks aren’t just good for some bath time fun, they’ve also helped scientists learn about the world!
TED Talks
Al Gore: What comes after An Inconvenient Truth?
At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on "clean coal."
SciShow
Alfred Wegener: Great Minds
Hank introduces us to Alfred Wegener, a voraciously curious guy who proposed the original theory of continental drift - and was laughed at for it.
Curated Video
Why Greenland Is So Incredibly Empty... It's Not Just The Ice
Greenland is a spectacle to behold! It's almost entirely covered in ice, yet there are some "green" areas. Still, the largest island in the world is home to only about 56,000 people making it one of the least densely populated regions of...
Curated Video
State of the Greenland Ice Sheet
Laser technology aboard aircraft has allowed scientists to measure the Greenland Ice Sheet, one of the largest bodies of ice in the world. Is it growing or shrinking? Earth Science - Human Impacts - Learning Points. NASA scientists...
Curated Video
Extreme Living: The Frozen North
How the inhabitants of one of the coldest environments on the planet have adapted their lifestyle to survive. Human Geography - Orientation And Settlements - Learning Points. People native to northern Canada, Greenland, Alaska and...
Curated Video
Tundra
Find out what animals and plants do to survive in Earth's coldest biome. Biology - Ecosystems - Learning Points. The tundra is Earth's coldest biome. The Arctic tundra is found near the North Pole. The alpine tundra is found around the...