SciShow
The Mysterious Disappearance of 10 Billion Alaskan Crabs
In 2021, researchers reported a shocking disappearance in the Bering Sea. Not of people, but of Alaskan snow crabs. And it's taken scientists years to understand how tens of billions of crabs disappeared all at once, so let's take you...
SciShow
NASA's Most Controversial Rock
In the mid-1990s, a meteorite with the unmemorable name ALH84001 became the most famous rock in the world. Because one team of scientists proposed that it had the evidence of real, if microscopic, Martians. Hosted by: Reid Reimers (he/him)
SciShow
The Clock that Reinvented Time
In 1327, a monk named Richard of Wallingford drafted plans for an engineering marvel: one of the very first truly mechanical clocks in the world, which helped to usher in a complete reinvention of humanity's perception of time itself....
SciShow
You've Never Heard of the World's Most Common Mineral
The most common substance in the world is literally IN the world. It's a mineral called bridgmanite, and it belongs to a class of minerals (called perovskites) that scientists are trying to use in the next generation of solar panels....
SciShow
How Ancient Roman Baths Could Save People and the Planet
Back in the Victorian Era, Englanders thought that the famous Roman Baths were so healing because there was radium in the water. And there was, but that wasn't the real secret. Turns out that the baths are teeming with microbes that...
SciShow
Should the Earth Even Have Water?
"Water, water, every where"...or so that one poem goes. And it's kinda right, because there's way more water INSIDE the Earth than on the surface. But scientists still don't know with certainty exactly how Earth got all of that H2O....
SciShow
3 Weird Ways Science Is Saving Coral Reefs
Coral reefs are fighting for their very survival these days, and scientists are looking for ways to help—including testing underwater AC systems, and 3D printing what one might describe as artificial coral cyborgs. Hosted by: Savannah...
SciShow
The Heaviest Things Humans Have Ever Built
From the Great Pyramid at Giza, to one-quarter of the Netherlands, to continent-spanning electrical grids, humans are great at making really BIG things. Hosted by: @NotesByNiba (she/her)
SciShow
Dams Are Great. They Need To Go
Dams are great for humans, providing hydroelectricity and flood control. They're also horrible for the rivers they block. Here are three success stories of ecosystems that bounced back after a dam was removed. Hosted by: Savannah Geary...
SciShow
How To Solve Game Theory's Unsolvable Problem
One of game theory's most famous quandaries is the Tragedy of the Commons. But, through her years of research, Nobel Prize winner, Elinor Ostrom, showed us that we're not doomed to tragedy after all. Hosted by: Stefan Chin (he/him)
SciShow
What Made These Rainbow Mountains?
China's Zhangye Danxia National Geopark is home to strikingly beautiful rainbow mountains -- yes, what you're seeing is real! But the secret to this amazing sight might be something incredibly humble: dirt. Hosted by: Stefan Chin (he/him)
SciShow
This Canadian Lake Changes Its Spots Every Year
This lake in Canada sports a stunning summer look - spots! And the weird geology and hydrology that makes these spots is definitely worth talking about. Plus, Spotted Lake may not be the only one of its kind, and might tell us more about...
SciShow
What Made These Perfectly Shaped Hills? | Weird Places
The Chocolate Hills of Bohol, Philippines are so perfectly shaped that local legends say they were crafted by giants. Geologists can't agree exactly what happened, but the answer might be as simple as limestone, water, and wind. Hosted...
SciShow
Do You Have to Sort Your Laundry?
It's one of the great boomer vs. millennial debates: Do you have to sort your laundry? It's tedious to pull apart lights and darks, hot water and cold water, but thanks to advancements in science, that all may be a thing of the past....
Crash Course
The Unexpected Truth About Water: Crash Course Biology #21
This is a love letter to water, life’s solvent, and one of the most wonderful molecules around. In this episode of Crash Course Biology, we’ll learn about how water’s polarity and hydrogen bonding help it sustain life on a larger scale....
Crash Course
Intro to Ecology: Why Did All These Elephants Die?: Crash Course Biology #5
Ecology is the study of the interactions of living things with each other and their environment. It’s a field that not only lets us explore the interconnections between living things, but also how our environment affects us, and how we...
PBS
Projects bringing water to drought-ridden land could end with USAID’s dismantling
As the Trump administration ends USAID's mission, a project to bring water to drought-ridden lands is now in peril. In partnership with the Pulitzer Center, William Brangham and producer Molly Knight Raskin traveled to a community in...
TED Talks
Your inner fire is your greatest strength | Xiye Bastida
Hope isn’t just a feeling, but a skill you can practice, explains climate activist Xiye Bastida. Taking cues from the resilience of nature, she shows why trusting Indigenous leaders who’ve protected the planet for generations can help...
TED-Ed
Why don’t we get our drinking water from the ocean? | Manish Kumar
Humans have been transforming seawater into potable freshwater for millennia. Today, billions of people can’t access clean drinking water, and 87 different countries are projected to be “water-scarce” by 2050. So, how can we use seawater...
TED-Ed
How are microchips made? | George Zaidan and Sajan Saini
Globally, we produce more than a trillion computer chips every year. Which means about 20 trillion transistors are built every second— and this process is done in fewer than 500 fabrication plants. How do we build so many tiny,...
MinuteEarth
Why Flushing Isn't For Everyone
Sewers are a great way to make pooping safe, but they’re not always the right solution because they require specific resources that many places just don’t have.
MinuteEarth
Why Don't Electric Eels Shock Themselves?
Electric eels can emit some of the largest shocks in the animal kingdom - but why don't they shock themselves?
MinuteEarth
Why Did It Take Us So Long?
We've long known that animal pollination is an important way plants reproduce on land, but we're only just finding out animals also pollinate plants underwater.
MinuteEarth
The Never Ending Lightning Storm
Venezuela’s Lake Maracaibo is home to a legendary lightning storm that has been going on for over 500 years.