Hank answers a SciShow viewer's most pressing question about what happens if the human body gets exposed to space. Would your head really explode?

What has tough skin, a tiny tail, and a big horn on its nose? A rhino! Join Jessi and Squeaks and learn all about these super cool, super strong animals!

Amanda Williams shares her lifelong fascination with the complexity of color: from her experiences with race and redlining to her discovery of color theory to her work as a visual artist. Journey with Williams to Chicago's South Side and...

American democracy cannot be great until it is good, says lawyer, Harvard professor and former governor of Massachusetts Deval Patrick. A self-identified patriot, Patrick stands behind the fundamental values and civic ideals that he...

Nature is full of all kinds of beautiful color, and there is plenty of weird science there too! Here's a showcase of a few of our episodes all about coloration.

Two SciShow hosts go head-to-head in a battle to figure out who will be the reigning champion for this era of SciShow Quiz Show!

Quick Questions dispels the myth that dogs can only see in black and white.

The insides of the our gas giant friend, Saturn, might be less of a mystery now that we’ve figured out how to use its rings to indicate its internal makeup. And the light emitted from some very old, very hungry black holes could be...

Black holes! From Stephen Hawking to Interstellar, black holes are mammoths in the world of science AND sci-fi. But what exactly IS a black hole? Do events happen inside black holes? Are black holes really a hole? Are black holes really...

Brown cats are something of a rarity, but you may have something pretty close.

At the 2008 EG conference, famed puzzle designer Scott Kim takes us inside the puzzle-maker's frame of mind. Sampling his career's work, he introduces a few of the most popular types, and shares the fascinations that inspired some of his...

Lurking in the depths of the mathematics of Einstein's general relativity is an object even stranger than the mysterious black hole. In fact it's the black hole's mirror twin, the white hole. Some even think that these could be the...

We know a lot about dinosaurs but there's one question that has plagued paleontologists for decades: what color were they?

Another economic reality is possible -- one that values community, sustainability and resiliency instead of profit by any means necessary. Niki Okuk shares her case for cooperative economics and a vision for how working-class people can...

Paul Andersen explains how aposematic coloration (or warning coloration) is used for protection in the natural world. He explains how bright colors can be caused by either sexual selection or a warning coloration to predators. He also...

The microraptor was a four-winged carnivorous dinosaur with iridescent black feathers. But if our information about this dinosaur comes from fossils, how can we be certain about its color? Len Bloch shows how making sense of the evidence...

In this bracing talk, coral reef ecologist Jeremy Jackson lays out the shocking state of the ocean today: overfished, overheated, polluted, with indicators that things will get much worse. Astonishing photos and stats make the case.

In which John Green teaches you about Reconstruction. After the divisive, destructive Civil War, Abraham Lincoln had a plan to reconcile the country and make it whole again. Then he got shot, Andrew Johnson took over, and the...

It is the artist's job to unearth stories that people try to bury with shovels of complacency and time, says poet and freedom fighter Mwende "FreeQuency" Katwiwa. Performing her poem "The Joys of Motherhood," Katwiwa explores the...

Every summer it seems like there’s that one person who always gets a lot of mosquito bites. But what makes people mosquito magnets?

This video is about Simpson's paradox, a statistical paradox and ecological fallacy where seemingly contradictory results are implied by a single set of data depending on how it's grouped. The paradox can arise in medical...

Claws, teeth, stingers... there are a lot of things that can make an animal look downright scary and dangerous. Sometimes, though, looks can be deceiving! Face your fears and learn about eight animals that use their tough looks to hide...

Welcome to SciShow Quiz Show, where SciShow Space co-hosts Hank and Reid are back for another round!

An art school professor once told Deborah Willis that she, as a woman, was taking a place from a good man -- but the storied photographer says she instead made a space for a good man, her son Hank Willis Thomas. In this moving talk, the...