Instructional Video6:30
SciShow

This Simple Test Could Detect Half of All Cancers

12th - Higher Ed
Cancer is a complicated disease, and there's no simple blood test for early detection and screening to spot cancer in general. That might be changing thanks to LINE-1, a retrotransposon gene that doesn't do anything.
Instructional Video4:55
SciShow

What Makes This Plant Hair So Deadly?

12th - Higher Ed
You may be familiar with plants that have hair, like fuzzy peaches. But these plant take their 'dos to the next level, because their hairs are deadly.
Instructional Video6:21
SciShow

Can a Plug-In Really Improve Your Cat's Behavior?

12th - Higher Ed
Have you ever seen cat pheromones, sometimes branded as Feliway, that promise to address problem behaviors like cat scratching, fighting, and stress? These products are based on real science. But do they work?
Instructional Video5:30
SciShow

Wolves Have Taken Over a Marine Ecosystem

12th - Higher Ed
Wolves are amazing hunters, so they tend to be apex predators wherever you find them...including one region in Alaska where these land-based predators sit atop a marine food web.
Instructional Video8:55
SciShow

Evolution Can't Explain Your Grandma

12th - Higher Ed
There's a really interesting idea in anthropology called the grandmother hypothesis, that basically says the reason we have grandmas has to do with what makes us unique as a species. But there's a huge problem with the idea that it's...
Instructional Video12:13
SciShow

The World’s Strongest Acid Might be Gentle Enough to Eat

12th - Higher Ed
Hearing the word "superacid" may evoke memories of that scene from Breaking Bad, but perhaps counterintuitively, the strongest acid on Earth wouldn't be able to destroy your bathroom.
Instructional Video3:29
SciShow

Is This About To Revolutionize Antidepressants?

12th - Higher Ed
Wouldn't it be nice if psychiatrists could stick patients with depression in an EEG and find out what antidepressant, like an SSRI, might be best for them, eliminating months of trial and error? A new study shows how that might be coming...
Instructional Video6:30
SciShow

This Element Doesn't Fit the Periodic Table

12th - Higher Ed
One of the most famous elements in the periodic table doesn't really belong anywhere chemists would like to put it.
Instructional Video6:44
SciShow

Psychiatrists Can't Agree About This New Disorder

12th - Higher Ed
Prolonged grief disorder recently debuted in both of the two manuals that clinicians use to diagnose psychological conditions. But the DSM and the ICD don't completely agree on what it is.
Instructional Video6:09
SciShow

What's Really Behind The Adderall Shortage?

12th - Higher Ed
You may have heard that there's an ongoing shortage of the medication Adderall. But there's a lot more going on here than you may expect, and the real culprit behind the shortage isn't what you might think.
Instructional Video8:20
SciShow

The Best Keyboard, According to Science

12th - Higher Ed
People have strong opinions about which kind of keyboard is best, but science has settled the debate.
Instructional Video14:03
SciShow

How Do We Know How Old the Earth Is?

12th - Higher Ed
In the wake of World War 2, Clair Patterson embarked on a scientific quest to find out how old the Earth really is. His hard work paid off, but it also revealed a modern danger.
Instructional Video7:46
SciShow

This Crystal Is ELECTRIC

12th - Higher Ed
There's a few minerals that exhibit something called piezoelectricity and pyroelectricity, which mean that either heat or pressure can turn them electric. Here's a demo from the SciShow Rocks Box where you can see this for yourself - all...
Instructional Video10:38
SciShow

We Finally Made Synthetic Spider Silk

12th - Higher Ed
The ability to produce synthetic spider silk would give us bulletproof vests better than Kevlar, biocompatible sutures and wound dressings, and even space elevators. The problem is being able to make it in large amounts. One group may...
Instructional Video6:31
SciShow

Why Do We Rhyme?

12th - Higher Ed
Rhymes might seem frivolous, but there's scientific evidence for why we like them so much.
Instructional Video8:23
SciShow

Why Can’t We Have Unicorns?

12th - Higher Ed
Unicorns may be mythical creatures, but they're very plausible-seeming ones. So why hasn't evolution gifted us with magical horses with horns? Let's take a look at the genetics and developmental biology of headgear in ruminants and other...
Instructional Video6:44
SciShow

Did Dinosaurs Have Belly Buttons?

12th - Higher Ed
Belly buttons are, typically, a human's first scar. A sign that you used to feed through an umbilical cord that connected your tummy to a placenta. But it turns out you don't have to feed from a placenta to get a similar scar. It might...
Instructional Video14:13
SciShow

The Universe Runs on Vibes

12th - Higher Ed
As much as we like to talk about vibes, actual vibrations underlie pretty much everything about the universe. From the patterns of galaxies created by the Big Bang to the existence of subatomic particles, here's how the universe runs on...
Instructional Video10:18
SciShow

Animals Have Nepo Babies Too

12th - Higher Ed
Trust funds aren't just for humans. Animals pass on generational wealth too, meaning even the animal kingdom isn't free of nepo babies.
Instructional Video11:19
SciShow

Mercury Shouldn't Be Liquid. But It Is.

12th - Higher Ed
Mercury, a.k.a. quicksilver, is famous for being a liquid at room temperature...and also below room temperature. But you can't use a high school chem class to explain why. Instead, we need a little help from Einstein.
Instructional Video13:40
SciShow

The Earthquake That Lasted Two Centuries

12th - Higher Ed
From an Australian fire that's been continually burning for millennia, to earthquakes that shake the ground for centuries, here are four natural disasters that lasted way longer than you might have expected.
Instructional Video13:55
SciShow

The Best Fonts, According to Science

12th - Higher Ed
We all know our favorite fonts, but did you ever think about why some fonts are just clearer than others? Well there's a surprising amount of research into just what makes certain fonts better, and there's a case to be made for that...
Instructional Video4:45
SciShow

Why the Oldest Fish in the World Lives in a Desert

12th - Higher Ed
The longest-living group of freshwater fish has been discovered... in a desert. Thanks to humans stocking artificial lakes, and to some awesome citizen scientists, we've learned that buffalofish can easily live to a hundred years old.
Instructional Video5:37
SciShow

The Zombie Planet at the Center of the Earth

12th - Higher Ed
For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all.