Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun.

Over 600 million years ago, sheets of ice coated our planet on both land and sea. How did this happen? And most importantly for us, why did the planet eventually thaw again? The evidence for Snowball Earth is written on every continent...

What’s the real story of the dodo? How did such a unique bird even evolve in the first place? And are we really responsible for its extinction?

We’ve traveled to lots of weird places on this show - from the interiors of black holes to the time before the big bang. But today I want to take you on a journey to what has got to be the weirdest place in the modern universe - a place...

In 2021, a survey of over 1,000 Americans found that nearly two-thirds had eaten plant-based meat alternatives in the past year. Many cited potential health and environmental benefits as their motivation. But are these alternative meats...

In 1915, an exhibition of radical artworks opened in Russia. Many pieces pushed the boundaries of form and style, but one was particularly controversial: Kazimir Malevich's "Black Square." Criticized as simple and uninspired, Malevich's...

Many people deal with a nail-biting habit at some point in their lives. Some will go to great lengths to try to stop, employing strategies like dipping their hands in salt or wearing gloves. And while not all of us are nail-biters, most...

Right now, invisible signals are flying through the air all around you. Massive radio waves carry information between computers, GPS systems, cell phones, and more. And the sky is flooded with interference from routers, satellites, and,...

20 million years ago, the ocean housed a creature so colossal that its stomach could reach volumes of almost 10,000 liters— big enough to fit an entire orca. It was the megalodon, the biggest shark to ever live. So, what was it like when...

In the hunt for life beyond Earth, scientists shouldn't skip over frozen planets. In some cases, ice might actually help life evolve!

Hunting for rogue planets is like hunting for an invisible needle in a haystack. But we're getting a much clearer view thanks to gravitational microlensing surveys. And it looks like there are a LOT more of them out there than we thought.

Have you ever noticed that the bubbles in your glass of Champagne are just.... fancier than other sparkling drinks? They form those lovely little columns of bubbles in a way that nothing else does - and it turns out there's some neat...

Volcanoes might seem like an unstoppable force of nature - but there is at least one OTHER force on Earth that seems to be able to keep them down.

Quick Questions gives you the low-down on how oysters turn a tiny bit of gunk into a lovely, valuable pearl. ----------

Quick Questions explains why, when it comes right down to it, there are really only eight kinds of people in the world.

Across the southeastern United States, bald eagles have been dying unexplainedly for the past 25 years. In March of 2021, researchers announced that they had found the killer, and they hope we can use this knowledge to better protect...

Hoboro Island off the coast of Japan may soon be an island of the past, and it’s primarily due to one unsuspecting isopod.

During long, cold winters in medieval Europe, church organs grew gray, sickly-looking circles that spread over their pipes. People back then believed that this was the work of the devil, but as it turns out, it’s just some pretty simple...

The first 100 people to use the code SCISHOW10 will receive 10% off their first purchase! This code is valid through the end of the year. Head to href='https://gift.climeworks.com/scishow' target='_blank' rel='nofollow'>to to give...

This week, CERN announced a new particle that will help further understanding of the fundamental forces, and a simulation of ancient creatures may give us a clue as to how life grew beyond the microscopic.

For the last hundred and fifty years or so, geologists have been trying to wrap their heads around the mystery: in some places, the geologic record just seems to jump by over billion years. And last week, a paper was published that may...

Do you ever think of what could cause the next big extinction? How about a super massive tropical storm that sweeps over continents? Hey, it could happen! Check out this SciShow Dose to see how a hypercane would be possible.

Olympic National Park is temporarily closed as Washington, the US, and the world work to mitigate the spread of the COVID-19 virus. We filmed this series in early January and are currently at home practicing social distancing. We hope...

Working in the White House in the 1840s may have been more hazardous than we thought.