Instructional Video10:01
SciShow

Why We'll Never Build a Perfect Clock

12th - Higher Ed
We can make clocks that keep accurate time for millions of years. We can also make clocks with such high resolution they tick one billion billion times per second. So why can't we make a clock that does both?
Instructional Video8:07
SciShow

How Do We Figure Out The Sex ... Of A Fossil?

12th - Higher Ed
We know a lot about fossils, but there's one thing about all those long-dead organisms that's hard to figure out -- their sex. So let's talk about the ways we can try to determine whether those T. rex bones came from a male or a...
Instructional Video11:35
SciShow

Does COVID Cause Cancer?

12th - Higher Ed
There's a troubling link between COVID and certain cancers, but as always, it's complicated.
Instructional Video10:02
SciShow

How Much of the Periodic Table is in YOU?

12th - Higher Ed
About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% are some elements that do some very important jobs to keep you alive and healthy. Including some elements you...
Instructional Video11:52
SciShow

How Lava Turned a Rhino Into a Cave

12th - Higher Ed
We know that fossils are fragile, and volcanoes are destructive. So you wouldn't think that volcanoes are really any help when preserving fossils... but you'd be wrong! From the Laetoli Footprints to the Blue Lake Rhino, here are five...
Instructional Video6:49
SciShow

The 3 Species That Break Genetics

12th - Higher Ed
Scientists have discovered a group of three closely related flowers that seem to break the laws of genetics. These mountain beardtongues are pollinated by either bees or butterflies, but not both, and that's the key to an incredibly...
Instructional Video7:44
SciShow

The Solar System is Beige

12th - Higher Ed
Whether you grew up with a poster of the solar system on your bedroom wall or not, you've probably got a specific idea of what the planets look like. From brilliantly blue Neptune to the "red planet" Mars. But if you managed to actually...
Instructional Video5:43
SciShow

Autoimmune Diseases Are Sexist. Here’s Why

12th - Higher Ed
Autoimmune diseases like lupus disproportionately affect women five to one. Researchers have finally pinpointed a unique silencing gene on the X chromosome that may help explain why.



Women Get More AutoImmune Diseases. Here’s...
Instructional Video7:42
SciShow

Our Galaxy May Be 10 Times Bigger Than We Thought

12th - Higher Ed
The Milky Way is often described as measuring 100,000 light years across and containing the mass of a trillion Suns. But our home galaxy is actually far bigger, and might be much less massive. Astronomers aren't sure what the exact stats...
Instructional Video5:57
SciShow

The Metal Claw Hiding in Your Food

12th - Higher Ed
Have you ever seen "calcium disodium EDTA" on an ingredients label and wondered what it's doing in your food? As it turns out, ethylenediamene triacetate is an important preservative that's helping to preserve your food. It's totally...
Instructional Video10:17
SciShow

These Birds’ Nests Are Terrible for a Reason

12th - Higher Ed
Some birds' nests are works of art. These are not those. But we'll see why the terrible nesting habits of the cuckoo or jacana or even pigeons are the right thing for their survival.
Instructional Video12:51
SciShow

The Surprisingly Useful Physics of Desk Toys

12th - Higher Ed
How do Newton's Cradles connect to cancer treatments? Let's unpack the physics of some of our favorite desk toys, from dippy birds to perpetual motion machines, and explore how these scientific principles can be used beyond an office desk.
Instructional Video6:11
SciShow

Why City Birds Love Cigarettes

12th - Higher Ed
Urban birds like house finches and house sparrows are great at finding materials to repel pests and parasites from their nests. Unfortunately, one of those materials is used cigarette butts.
Instructional Video4:23
SciShow

This Animal Lays Eggs AND Has Live Young

12th - Higher Ed
You might think that an animal either lays eggs or has live young. But these species prove it's a lot more complicated than that.
Instructional Video7:07
SciShow

These Animals Actually LIKE Getting Caught

12th - Higher Ed
Even when animal traps are humane, it seems pretty obvious that animals wouldn't want to get caught. But sometimes, there are oddballs that love getting trapped. Here's what we know about what can make some animals so darn trap happy.
Instructional Video5:59
SciShow

Can Rock and Roll Replace Your Insulin?

12th - Higher Ed
Could rock music one day replace your insulin injections? Scientists are pioneering music-controlled cells that could provide the perfect dose of insulin for type 1 or type 2 diabetes with just a bit of music. Specifically, Queen's "We...
Instructional Video7:11
SciShow

We're Probably Going to Cure MS

12th - Higher Ed
You've probably heard of multiple sclerosis, especially if you're a fan of The West Wing. But can we ever cure MS? Yes. But also, no. But also, probably? It's complicated.<br/>
Instructional Video9:33
SciShow

Why Do Antidepressants Cause Brain Zaps?

12th - Higher Ed
For some people who stop taking an SSRI or SNRI antidepressant, they can get a weird side effect called brain zaps. And even though we've known about them for decades, we still don't know exactly why brain zaps happen.
Instructional Video11:29
SciShow

Do CPAPs Even Work for Sleep Apnea?

12th - Higher Ed
If you've been prescribed an expensive, cumbersome CPAP machine, you might want to know if it actually works. And while sleep doctors insist CPAP is the standard of care, out there in the real world, it's a little more complicated.
Instructional Video8:27
SciShow

Chernobyl's Radioactive Wild Boar Paradox

12th - Higher Ed
After the Chernobyl Disaster, researchers have been studying the movement of radioactive contamination all over central Europe. Fortunately, that radioactive contamination is decreasing in just about every living thing, except for one...
Instructional Video9:11
SciShow

Can You Make A Computer Out Of Food?

12th - Higher Ed
Could an edible computer be in your future? Researchers are currently working on several of the components you find in them, from batteries to circuit boards to logic gates.
Instructional Video16:43
SciShow

Actually Understand Hormone Replacement Therapy

12th - Higher Ed
For transgender and nonbinary people, hormone replacement therapy has become one of the standards of care. But what is it, exactly? And what can people receiving the therapy expect? SciShow has the answers.
Instructional Video10:03
SciShow

The Tiny T. rex Causing a Big Science Feud

12th - Higher Ed
You’ve heard of Tyrannosaurus rex, but did you know they might have a mini-cousin called Nanotyrannus? And that “might” is serious, because researchers have been arguing about it for nearly 40 years and still haven’t gotten to the bottom...
Instructional Video10:46
SciShow

The Universe’s Second, Bigger Bang

12th - Higher Ed
In 2023, a team of researchers proposed that our universe experienced not one, but TWO Big Bangs about a month apart from one another. The first for the stuff described by our Standard Model of Particle Physics. And the second for that...