TED Talks
TED: A concrete idea to reduce carbon emissions | Karen Scrivener
Concrete is the second most-used substance on Earth (behind water), and it's responsible for eight percent of the world's carbon footprint. Cement researcher Karen Scrivener shares the research behind a pioneering new kind of cement...
SciShow
The World's Most Abundant Mineral, and Oddball Whales
SciShow News takes you to the depths of the Earth, where the world’s most abundant mineral is found, and to the Arabian Sea, where a strange population of whales has been living in isolation for 70,000 years!
SciShow
The Lost City and the Origin of Life | Weird Places
Hydrothermal vents are some of the most extreme environments on the planet. But in 2000, scientists discovered a vent unlike any other, one that spews white smoke and is 10 times older. And some think it may help us understand how all...
SciShow
The World Is Built on Sand... and We're Running Out
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
SciShow
Cannibalism, Zombies & Suicidal Cells: The Latest In Cancer Research
Hank shares some developments in cancer research, from new insights into the behavior of zombie cancer cells, to a new method that uses nanotechnology to kill cancer from within.
PBS
How Will the Universe End?
We live in an unusual age - the age when the stars still shine. We should count ourselves lucky - nearly all of future history will be dark. But events will still unfold in that long, cooling darkness, and civilizations may endure. So...
SciShow
How Celestial Bodies Affect Life in the Ocean
Life on Earth has always been shaped by other bodies in space, and life in our oceans is especially susceptible to interactions that have huge effects on life as we know it!
SciShow
This Hot Jupiter Is Leaking Metal! SciShow News
Astronomers have found a Hot Jupiter - WASP-121b - that is leaking metal, and put together a new 3D map of the Milky Way showing that our galaxy is actually a bit twisted!
SciShow
6 Things We Still Don't Know About Earth
The earth is our home, and while we like to think we know a good deal about it, there are still some mysteries that scientists are looking to unravel. Chapters PLATE TECTONICS 1:45 EXTROVERSION Sponsored by: Jonathan Hood 3:50...
TED Talks
William Noel: Revealing the lost codex of Archimedes
How do you read a two-thousand-year-old manuscript that has been erased, cut up, written on and painted over? With a powerful particle accelerator, of course! Ancient books curator William Noel tells the fascinating story behind the...
TED-Ed
TED-Ed: Dark matter: The matter we can't see - James Gillies
The Greeks had a simple and elegant formula for the universe: just earth, fire, wind, and water. Turns out there's more to it than that -- a lot more. Visible matter (and that goes beyond the four Greek elements) comprises only 4% of the...
SciShow
How Climate Change Affects Ocean Life | Compilation
We can see the effects of the climate crisis in many different ways here on land. But the oceans are also part of the interconnected, global system. So, here are a few ways that climate change affects our oceanic buddies.
SciShow
How the Ocean Floor Got Filled with Riches
Deep below the surface, the ocean floor is full of riches. There’s gold, iron, and lots of other rare, precious metals. What kind of geochemical processes can leave loot all over the seafloor?
MinuteEarth
Why Is Poop Brown And Pee Yellow?
The pigments in our food all get destroyed on their way through our digestive system...so where do the colors of our poop and pee come from? ________________________ FYI: We try to leave jargon out of our videos, but if you want to learn...
TED-Ed
TED-ED: What was so special about Viking ships? - Jan Bill
As the Roman Empire flourished, Scandinavians had small settlements and no central government. Yet by the 11th century, they had spread far from Scandinavia, gaining control of trade routes throughout Europe, conquering kingdoms as far...
PBS
We Are Star Stuff
Stars are our stellar alchemists. They spend their entire lifespan creating and molding elements. In their final moments, a supernova spreads these elements out into the universe, providing the building blocks for new stars, planets, and...
PBS
That Time Oxygen Almost Killed Everything
What if we told you that there was a time when oxygen almost wiped out all life on Earth? 3 billion years ago, when the world was a place you'd never recognize, too much of a good thing almost ruined everything for everybody.
TED-Ed
TED-Ed: Can you solve the giant iron riddle? - Alex Gendler
The family of giants you work for is throwing a fancy dinner party, but there’s a problem — the elder giant’s favorite shirt is wrinkled! To fix it, you’ll need to power up the giant iron. It needs two batteries to work, but the baby...
SciShow
Why Do Some Doctors Still Use Bloodletting?
Has a doctor ever told you that you just have too much blood? Probably not, but there are a handful of conditions where being a little low might be good for you.
SciShow
Active Volcanoes on Mars?
Mars is covered with the remnants of long-dead volcanoes, but one of them might have been alive surprisingly recently.
SciShow
Whale Poop Helps Cool Our Planet
You might not think of a sea creature as helpful in the prevention of climate change, but sperm whales have been doing their part to cool the planet by doing what most animals do best: pooping.
SciShow
One Way to Deal With CO2? Reuse It
Is there any better way to create new energy than to make it out of consumed energy sources?
TED-Ed
TED-Ed: The surprising effects of pregnancy | TED-Ed
Muscles and joints shift and jostle. The heart's pounding rhythm speeds up. Blood roars through arteries and veins. Over the course of a pregnancy, every organ in the body changes. Initiated by a range of hormones, these changes begin as...
SciShow
Why is Red Meat ... Red?
When you cut into a nice, juicy steak what's all that liquid that pours out? Is it blood? It looks like blood. ...it's not blood.