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SciShow
What’s Under Antarctica’s Ice?
Antarctica is more than a continent-sized sheet of ice (and the penguins that live atop it). There's land, liquid water, and even life underneath all that ice. And scientists have built up a suite of tools to find all of it.
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The Oldest Rock on Earth Is Older Than Earth Itself
Small grains in the Murchison meteorite have been estimated to be 7 billion years old—much older than the Earth, and even the solar system.
SciShow
The Bizarre Museum Heist to Steal ... Birds
In 2009, a man named Edwin Rist planned a museum heist. His target wasn't jewels, or fossils, or the Declaration of Independence. It was bird skins. It took just over a year for authorities to track him down, largely because the...
SciShow
How Bad Are Processed Foods, Really?
You've probably heard that processed foods are bad for you. But is that true for all of them? And how do we know?
SciShow
How Old IS Language?
This video description is brought to you by language. But how long have humans been able to use our gift of gab? The answer is a lot more complicated than you might think. From studying fossil brains and ear bones to DNA migration...
SciShow
5 Weird Ways People Tried to Live Forever
Throughout history, humans have come up with some pretty weird ideas related to longevity. Like drinking neurotoxic mercury to live forever, slathering yourself in oil and eating honey to reach the ripe old age of 300, or getting an...
SciShow
Can You Melt Wood?
Can you melt wood? Most of the time, the answer is no. But as with many things in science, under the right circumstances, it might just be possible.
SciShow
Do Animals Exercise?
Do animals exercise? Think about it -- do animals need to lose weight, or train for their big migration? We'll look at a few definitions of exercise and see if animals meet the criteria for hitting the gym.
SciShow
So You Need To Dispose Of Some Nuclear Waste…
We all have to deal with getting rid of trash. But what do we do when that trash is radioactive? Here's a few of the weirdest solutions to the green glowy problem of storing radioactive waste for decades to come.
SciShow
How Crocodilians Just Keep on Surviving
All crocodilians look more or less the same today, but to survive two different mass extinctions, they've had to change a lot. Here's how they pulled it off.
SciShow
Using Microbes to Mine the Moon
Rocky bodies like moons, asteroids, and comets are chock full of resources, from water, to helium-3, to rare earth elements. But how can we access them? Some scientists have proposed using microbes to aid in the mining of certain metals.
SciShow
Why More Young People Are Getting Colon Cancer
More and more people under 50 are being diagnosed with colorectal cancer. These young people don’t seem to have any of the usual risk factors for colorectal cancer, like an inherited genetic mutation. after some sleuthing, scientists...
SciShow
The Asteroids Big Enough to Wipe Out All Life
Correction
07:11 We made a conversion error! The asteroid in this sentence should be 95,000 meters or 95 km. The conclusion (water would be deadly hot and sterilized) is cor
rect.
Let's face it: The Earth is going to get...
07:11 We made a conversion error! The asteroid in this sentence should be 95,000 meters or 95 km. The conclusion (water would be deadly hot and sterilized) is cor
rect.
Let's face it: The Earth is going to get...
SciShow
The Sahara Used To Be Green.
The Sahara is rather famously a desert, but it wasn't always that way. And during the time of lush green forests, there were plenty of people who lived there, but they've been hard to study. However, new genetic analysis has given us...
SciShow
How to Make a Warning Last 10,000 Years
In the southeast corner of New Mexico, the United States is burying decades of nuclear waste. The storage site, and the earth above it, will remain lethal for millennia...perhaps as much as 300,000 years! How can we warn people that far...
SciShow
A Strange Thing Is Happening Beneath North America
The North American continent used to have deep roots extending far into the Earth's mantle. They melted. Here's how scientists think they disappeared.
SciShow
These Five Caves Changed What We Know About Ourselves
Humans love to decorate, and that's been true for a long time. Early humans have been painting on the walls for tens of thousand of years, and their work helped us understand a lot about their world and our own. From Lascaux Cave in...
SciShow
How Does Lava Make Perfect Hexagons?
The Giant's Causeway is a rock formation that is so otherworldly that it seems like it was made by supernatural beings. But these incredible hexagonal columns of rock aren't the result of giant masons. They formed through a quirk of...
SciShow
Why Don't We Have More Fossils?
When you see a bunch of fossils in a museum, you might not think about how unlikely it is that they got there. But there's a lot of lucky dice rolls that landed that mastodon in the museum, and researchers are really motivated to find...
SciShow
The Pandemic Made People Worse Drivers
We all picked up new habits during the COVID-19 pandemic. But not all of them stuck. Here's the data on whether we're better or worse drivers, exercisers, social media community members, neighbors, and self carers than during and before...
SciShow
6 Ways Aliens Could Find Us
Whether or not you think humans should be announcing our presence to the cosmos, we're doing it, anyway. Both intentionally, and not. And if aliens really do exist, there are several ways they could find us. Here are six of them.
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Scientists Don’t Know Where Gold Comes From
Astronomers have spent the past century (roughly) trying to figure out where all the elements on the Periodic Table come from. For example, the oldest hydrogen emerged when the universe was just a baby (Big Bang nucleosynthesis). And the...
SciShow
There Are Too Many Ways to Make a Mummy
While the word "mummy" may conjure up an image of King Tut (or a 1999 Brendan Fraser action/adventure movie), ancient Egyptians were far from the only culture that mummified their dead. Around the world, and across millennia, people...
SciShow
Menopause Starts Way Earlier Than You Think
If you've got a uterus, you've probably heard of menopause. But there's a lot that doesn't get talked about when it comes to this period, or lack thereof. This video is going to break down the real deal with menopause and give you...