Lizards tend to scurry around in short bursts rather than running long distances, and the reason why might be nearly as old as life on land.

Humanity has always adapted to changing weather and moved to regions that best support cultural lifestyles and livelihoods. However, the rise in extreme weather is endangering coastal communities, and even for those with the resources to...

Ron Finley plants vegetable gardens in South Central LA -- in abandoned lots, traffic medians, along the curbs. Why? For fun, for defiance, for beauty and to offer some alternative to fast food in a community where "the drive-thrus are...

How can we begin to address the global, insidious problem of climate change — a problem that's too big for any one country to solve? Economist Nicholas Stern lays out a plan, presented to the UN's Climate Summit in 2014, showing how the...

By piecing together a complex ecological puzzle, biologist Willie Smits believes he has found a way to re-grow clearcut rainforest in Borneo, saving local orangutans — and creating a thrilling blueprint for restoring fragile ecosystems....

Deep into the ocean even the slightest glimmer give you away. Which is why some fish have evolved to be so dark that they absorb any light that hits them.

According to the UN, people living in urban places now outnumber those in rural areas — which is a pretty new phenomenon for many parts of the world. So today, we’re going to discuss factors that have led to this shift in populations...

Some 80 to 90 percent of undersea creatures make light -- and we know very little about how or why. Bioluminescence expert Edith Widder explores this glowing, sparkling, luminous world, sharing glorious images and insight into the unseen...

Taryn Simon captures the essence of vast, generation-spanning stories by photographing the descendants of people at the center of the narrative. In this riveting talk she shows a stream of these stories from all over the world,...

In about 200 million years, Earth is due for another supercontinent. What exactly that supercontinent will look like, though, depends on a lot of geological factors, and is harder to guess at than you might think! Today, SciShow walks...

Stefan returns to challenge Hank on Quiz Show, and the rest of the SciShow Tangents crew decided to join in the fun!

Hank boils down a new report from the United Nations about global warming and tells you five things you really need to know about our warming world.

It's 427 BCE and the worst internal conflict ever to occur in the ancient Greek world is in its fourth year. Athens is facing a big decision: what to do with the people of Mytilene, a city on the island of Lesbos where a revolt against...

Today's wildfires burn, on average, twice the amount of land they did in 1970. The reason? We've been working too hard to put them out. Want to learn more about the topic in this week's video? Here's a keyword/phrase to get your googling...

Let's take a moment to remember the selfless sacrifices made by some amazing robotic explorers.

Marine biologist Tierney Thys asks us to step into the water to visit the world of the Mola mola, or giant ocean sunfish. Basking, eating jellyfish and getting massages, this behemoth offers clues to life in the open sea.

Jen Fowler of the Montana Space Grant Consortium joins us this week to talk about her work with weather balloons and the upcoming solar eclipse, and Jessi from Animal Wonders brings along Gaia the Southern Three-Banded Armadillo!

Exactly when and where did life on Earth begin? Scientists have long thought that it emerged three billion years ago in the ocean -- until astrobiologist Tara Djokic and her team made an unexpected discovery in the western Australian...

Imagine you're a shipwrecked sailor adrift in the enormous Pacific. You can choose one of three directions and save yourself and your shipmates -- but each choice comes with a fearful consequence too. How do you choose? In telling the...

Princess Savitri was benevolent, brilliant, and bright. Her grace was known throughout the land, and many princes and merchants flocked to her family's palace to seek her hand in marriage. But upon witnessing her blinding splendor in...

A ravenous swarm stretches as far as the eye can see. It has no leader or strategic plan; its only goals are to eat, breed, and move on. These are desert locusts— infamous for their capacity for destruction. But most of the time desert...

Could DAOs, or "decentralized autonomous organizations," be the key to building the next great city? Experimental urbanist Scott Fitsimones shares how these mission-driven, blockchain-governed, collectively owned organizations could...

Michael Collins isn't as recognizable a name as Buzz Aldrin and Neil Armstrong, but his job on the Apollo 11 mission was just as important.

What is the dot product? What does it represent? Why does it have the formula that it does? All this is explained visually.