Instructional Video12:47
SciShow

So You Need To Dispose Of Some Nuclear Waste…

12th - Higher Ed
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.
Instructional Video7:14
SciShow

How Crocodilians Just Keep on Surviving

12th - Higher Ed
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.
Instructional Video6:58
SciShow

Using Microbes to Mine the Moon

12th - Higher Ed
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.
Instructional Video7:09
SciShow

Why More Young People Are Getting Colon Cancer

12th - Higher Ed
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...
Instructional Video9:29
SciShow

The Asteroids Big Enough to Wipe Out All Life

12th - Higher Ed
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...
Instructional Video7:14
SciShow

The Sahara Used To Be Green.

12th - Higher Ed
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...
Instructional Video11:43
SciShow

How to Make a Warning Last 10,000 Years

12th - Higher Ed
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...
Instructional Video6:54
SciShow

A Strange Thing Is Happening Beneath North America

12th - Higher Ed
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.
Instructional Video12:24
SciShow

These Five Caves Changed What We Know About Ourselves

12th - Higher Ed
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...
Instructional Video7:31
SciShow

How Does Lava Make Perfect Hexagons?

12th - Higher Ed
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...
Instructional Video13:41
SciShow

Why Don't We Have More Fossils?

12th - Higher Ed
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...
Instructional Video10:39
SciShow

The Pandemic Made People Worse Drivers

12th - Higher Ed
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...
Instructional Video12:22
SciShow

6 Ways Aliens Could Find Us

12th - Higher Ed
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.
Instructional Video12:08
SciShow

Scientists Don’t Know Where Gold Comes From

12th - Higher Ed
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...
Instructional Video14:43
SciShow

There Are Too Many Ways to Make a Mummy

12th - Higher Ed
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...
Instructional Video11:44
SciShow

Menopause Starts Way Earlier Than You Think

12th - Higher Ed
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...
Instructional Video7:41
SciShow

Grass Could Save The Arctic

12th - Higher Ed
In a remote corner of Siberia, a Russian scientist is trying to restore the ecosystem to the way it was during the last Ice Age. And while Pleistocene Park is definitely eccentric, it has implications for the future of the entire planet.
Instructional Video10:40
SciShow

What Will Humanity Leave Behind?

12th - Higher Ed
When humans are gone, nature will reclaim our cities and break down much of what we've built. But some of the things we've made will last much longer than others, and they're probably not the things you'd expect.
Instructional Video11:53
SciShow

These Birds Aren’t Real

12th - Higher Ed
If you’ve been around the internet long enough, you’ve probably heard of the “conspiracy” that birds aren’t real (It's not a real conspiracy theory; it was started as a joke). Well for decades, scientists have been using fake birds (even...
Instructional Video11:19
SciShow

You Don’t Need A Uterus to Get A Uterine Disease

12th - Higher Ed
Endometriosis is a disease that affects about one in ten women, and comes from tissue inside the uterus making its way out. But it turns out that's not the only way to get it, because there are people without uteruses who have it too....
Instructional Video9:53
SciShow

4 Fungi We've Finally Figured Out How To Farm

12th - Higher Ed
Mushroom foragers rejoice! Your lives just got a whole lot easier! Now, we can farm four mushrooms that used to only be found in the wild: morels, huitlacoche, chanterelles, and truffles. Here's why it took so long.
Instructional Video10:14
SciShow

5 Ways Space Is Actually Good for You

12th - Higher Ed
Space travel is infamously bad for your health. But it turns out that in some very specific cases, space travel may actually be beneficial. Like by strengthening your bones, or repairing your DNA.
Instructional Video13:20
SciShow

Cold Doesn’t Exist (And 4 Other Things Scientists Used to Think Were Real)

12th - Higher Ed
To explain how the world works, scientists occasionally have an idea that — upon further testing — turns out to be wrong. From rays that carry coldness instead of heat, to a neighboring star that causes regular mass extinctions on Earth,...
Instructional Video13:13
SciShow

Why Did These Ancient People Abandon Copper?

12th - Higher Ed
Most cultures who developed metalworking technology never let the skill go to waste. But in what's now Michigan, Native Americans started making metal tools well before anyone else did, and then stopped. And the reason why this happened...