Even when a species has officially gone extinct, there's sometimes still hope of saving it. Scientists keep insurance populations of endangered animals all over the world with the goal of one day reintroducing them to the wild. Hosted...

Today, humans live on just a few staple crops, like maize, rice, and wheat. But in the early days of agriculture, humans were domesticating foods left and right. Come with us as we discover the lost crops of North America, like pitseed...

Did the Easter Islanders really cause their own civilization's collapse? Probably not. In fact, they used rock gardens to grow food sustainably on the island of Rapa Nui for centuries. Hosted by: Savannah Geary (they/them)

Climate disruption threatens food security around the world, but it's especially dangerous for fish farmers. Here's how high-tech climate information services can help then adapt. Hosted by: Hank Green (he/him)

Support for this video provided by Gates Ventures. Hosted by: Reid Reimers (he/him)

It's not just your imagination. Turbulence on airplane flights is getting worse, including severe turbulence that could cause injuries. The reason is the climate crisis -- here's how. Hosted by: Tom Lum

Low-E windows have reduced the amount of energy required to heat and cool our buildings, a critical step in fighting climate change. But new research suggests we've lost something beneficial in the process. Hosted by: Hank Green (he/him)

In September of 2023, researchers detected a strange vibration all across the planet. They traced it back to a massive tsunami off the coast of Greenland, but the sound went on even after the wave was gone. As in, for nine full days....

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...

You can turn all your old cooking scraps into gardening gold, thanks to hard-working microbes. Here's all the science of compost and everything you need to know to get started composting. Hosted by: Savannah Geary (they/them)

Do you taste something bitter when you hear the right word? Maybe you see a flash of a certain color instead. If so, you might have synesthesia. But it turns out, we're ALL capable of having different senses interact with one another in...

The conditions in many medicine cabinets turn out to be detrimental for medicines—some worse than others. Hosted by: Hank Green (he/him)

Weather may be something you associate with life on land, but the ocean has its own version of fronts and storms. Hosted by: Jaida Elcock (she/her)

There's a lot of humans on our planet. But our global domination was hardly a given. New evidence suggests that our ancestors were on the brink of total extinction nearly a million years ago. So let's talk about that time when the Homo...

Hey remember that time you waved at a stranger who was actually waving at someone behind you? The universe can, at least in its own way. If you thought gravitational waves were wild, just wait until you hear about this thing called...

This October, the launch window opens for NASA's Europa Clipper mission. When it arrives in the Jovian system, this spacecraft will probe the icy moon...and its ocean buried kilometers beneath the surface...for the ingredients of life as...

The Pyramids of Giza have fascinated and confused us for hundreds of years, and while we know a lot about who built them and how they were made, one question that has remained is why they are where they are. And the answer to that...

We've all heard about microplastics, but where do they come from? And what can we do about ocean plastics? We'll follow a single water bottle on its journey to the Great Pacific Garbage Patch and beyond. Hosted by: Stefan Chin

Yellowstone National Park is one of the most famous tourist destinations and nature reserves in the world. And it's also the perfect place for.... geothermal power plants? Let's talk about the weird reason why NASA is all for building a...

No, technically Earth doesn't orbit the Sun. Yes, technically sound can travel through space. Over the years we've built up a lot of myths and misconceptions about astronomy. But of course some are more flat-out false than others. Hosted...

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...

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)

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....

Ever wondered why nuclear power plant cooling towers or salt storage domes are the shape they are? SciShow has the answers! Hosted by: Niba @NotesbyNiba (she/her)