PBS
That Time The Ocean Lost (Almost) All Its Oxygen
New ReviewThis is the story of how our planet rescued itself from extreme conditions in the Cretaceous Period, at the cost of essentially suffocating the oceans for half-a-million years.
Be Smart
How Scientists Cracked the Secret To Making Diamonds
New ReviewFor centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, indestructible, and completely unexplained. Today, we’re exploring how scientists unlocked their secrets, and how one lab recreates the...
Be Smart
Will Earth Run Out of Oxygen
New ReviewPlants eat sunlight and air to make life. But the key enzyme behind it all, called RuBisCO, isn’t actually all that great at its job. Let’s talk about how photosynthesis really works, why oxygen isn’t coming from where you think, and...
SciShow
Turkey’s Cotton Palace Built Itself
Pamukkale, Turkey's Cotton Palace, is home to some of the most beautiful hot springs in the world. Located in the Denizli Basin, it's not only unique, but can tell us a surprising amount about the history of the site. Hosted by: Stefan...
SciShow
The Hunt for the Blackest Black
A decade after Vantablack took the internet by storm, where are we in terms of the blackest black? It turns out Vantablack doesn't hold the record, anymore. So what have scientists done differently? Hosted by: Savannah Geary (they/them)
SciShow
We Know Exactly Who This Guy Is
In the 1930s, a skeleton was discovered at the bottom of a well at the site of a medieval Norwegian fortress, severely injured and buried under large rocks. And to uncover his story, we need a combination of carbon dating, genetics, and...
SciShow
Permafrost Is Not What You Think It Is
If you've ever heard about things like mammoths being found in permafrost, you may have an image in your head of what that looks like. But you might be wrong! So let's talk about what permafrost really is, why it's so important, and why...
Crash Course
Carbon & Biological Molecules: What is Life Made Of?: Crash Course Biology #20
Despite the diverse appearance and characteristics of organisms on Earth, the chemicals that make up living things are remarkably similar, often identical. In this episode of Crash Course Biology, we’ll look at the building blocks of the...
Crash Course
What is Climate Change?: Crash Course Biology #8
Life on Earth has weathered boiling-hot oceans and volcanic-ash-darkened skies—but that’s nothing like the climate change we’re experiencing now. In this episode of Crash Course Biology, we’ll talk about the greenhouse effect, learn why...
TED-Ed
Rocks could save the world (Yes, rocks) | Elise Cutts
Mount Teide is one of the world’s largest active volcanoes, and there may be a way to use the basalt rock inside it to save humanity. Obviously, destroying an ancient volcano would cause catastrophic and unpredictable ecological fallout....
TED Talks
How to finance the future of farming | Berry Marttin
Agriculture is key to solving the climate crisis, but most farmers don’t have the financial incentive to switch to more eco-friendly practices, says banker and farmer Berry Marttin. He explores how improving the systems around carbon and...
MinuteEarth
How To Take A Dinosaur's Temperature
Despite the seemingly basic things we don't know about dinosaurs, we do know some surprising things – like their body temperatures.
Amoeba Sisters
Ecology Review: Food Chains & Webs, Relationships, Nitrogen & Carbon Cycles, Effects on Biodiversity
Join the Amoeba Sisters in this longer review video as they review food chains, food webs, how energy flows through trophic levels (including the 10% rule), ecological relationships (including parasitism, mutualism, and commensalism),...
TED-Ed
TED-Ed: The world’s longest-burning fires | Emma Bryce
In 1997, a fire began in Indonesia that would rage for almost a year. Despite being one of the largest fires in recorded history, for months at a time it burned without a flame. This might sound like a uniquely freaky fire, but it’s...
TED Talks
TED: How regenerative agriculture brings life back to the land | Gabe Brown
Over his decades of farming and ranching, Gabe Brown has noticed a troubling trend: the conventional farming techniques he used were degrading the soil and harming nature. He shares how his family farm turned things around by adopting...
MinuteEarth
Where Did Earth's Water Come From?
Earth didn't have water when it formed, but it does now! How did it get wet?
MinutePhysics
How Do We Know What Air is Like on Other Planets?
How do we know what the air is like on planets we haven't visited? This video explains how to see air from 150 light years away. Thanks to NASA's James Webb Space Telescope project at the Space Telescope Science Institute for supporting...
SciShow
Why Does Everything Decay Into Lead
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive. And the vast majority of those elements wind up decaying into some version of lead eventually. But why is...
SciShow
How Much of the Periodic Table is in YOU?
About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% are some elements that do some very important jobs to keep you alive and healthy. Including some elements you...
TED Talks
TED: The climate solutions worth funding — now | Jonathan Foley
When it comes to climate solutions, "now is better than new, and time is more important than tech," says scientist Jonathan Foley. He presents a six-part framework to more efficiently address climate change, from better aligning capital...
TED Talks
TED: Leadership in the age of AI | Paul Hudson and Lindsay Levin
Leaders can't be afraid to disrupt the status quo, says pharmaceutical CEO Paul Hudson. In conversation with TED's Lindsay Levin, he shares how AI eliminates "unglamorous work" and speeds up operations while collaborations across...
TED Talks
TED: Is climate change slowing down the ocean? | Susan Lozier
Ocean waters are constantly on the move, traveling far distances in complex currents that regulate Earth's climate and weather patterns. How might climate change impact this critical system? Oceanographer Susan Lozier dives into the...
SciShow
This Element Doesn't Fit the Periodic Table
One of the most famous elements in the periodic table doesn't really belong anywhere chemists would like to put it.
TED Talks
TED: AI is dangerous, but not for the reasons you think | Sasha Luccioni
AI won't kill us all — but that doesn't make it trustworthy. Instead of getting distracted by future existential risks, AI ethics researcher Sasha Luccioni thinks we need to focus on the technology's current negative impacts, like...