Instructional Video4:03
SciShow

Why We’ve Been Ignoring These Brain Cells | Great Minds: Ben Barres

12th - Higher Ed
Neurons often get all the credit for running the brain, but the work done by Ben Barres at Stanford University proved that glial cells are far more crucial to brain functioning than we had previously realized.
Instructional Video3:39
SciShow

Why Viruses are Good for Wasps

12th - Higher Ed
Contracting a virus is generally a bad thing, but among certain parasitic wasps, passing a virus to their offspring is actually key to their survival.
Instructional Video2:52
SciShow

Why Sexy Is Sexy

12th - Higher Ed
Hank delves into the scientific reasons behind why we are attracted to the people we're attracted to. It's complicated.
Instructional Video4:47
SciShow

Why Scurvy Doesn't Make Sense to Science

12th - Higher Ed
Scurvy isn't just a silly word used by pirates- it's actually a serious disease caused by a lack of Vitamin C that still occurs today! But did you know that our distant ancestors could make their own Vitamin C, making it impossible to...
Instructional Video5:35
SciShow

Why It's Good for COVID-19 Models to Be Wrong

12th - Higher Ed
As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can appear totally off. But if a model’s predictions end up being wrong, that might mean it's done exactly...
Instructional Video4:32
SciShow

Why Frogs Sometimes Fall From the Sky

12th - Higher Ed
It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.
Instructional Video2:19
SciShow

Why Don’t Spiders Stick to Their Webs?

12th - Higher Ed
Spiderwebs are designed to trap bug-sized creatures. So how come spiders don’t get stuck?
Instructional Video1:25
SciShow

Why Do Zebras Have Stripes?

12th - Higher Ed
Michael Aranda explores the purpose of zebra stripes.
Instructional Video3:27
SciShow

Why Do People Kill? And Other Revelations Of Human Nature

12th - Higher Ed
There are a lot of things that are still not fully understood about the species Homo sapiens - what makes us US? What makes us move the way we do, think the way we do, and kill the way we do? Today on SciShow News, Hank gives us a little...
Instructional Video2:29
SciShow

Why Do Peaches Make My Mouth Itch?

12th - Higher Ed
Allergies can already be a bummer, but did you know they can eventually stop you from enjoying your favorite foods?
Instructional Video1:50
SciShow

Why Do Old Books Smell So Good?

12th - Higher Ed
Musty, with hints of vanilla, coffee, and maybe fresh cut grass-- why do old books smell the best?
Instructional Video6:11
SciShow

Why Bacteria Don't Outweigh the Earth

12th - Higher Ed
This episode is brought to you by the Music for Scientists album! Check out “The Idea” music video here: • The Idea, written... . Given just a little time, bacteria could outgrow earth, so what's stopping them?
Instructional Video2:55
SciShow

Why Aren't Mammals as Big as Dinosaurs?

12th - Higher Ed
Dinosaurs were huge—it's common knowledge. So why aren't modern mammals anywhere near that size? In this episode of SciShow, Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size...
Instructional Video1:40
SciShow

Why are we Ticklish?

12th - Higher Ed
What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!
Instructional Video2:06
SciShow

Why are Insects Attracted to Light?

12th - Higher Ed
You know how moths like to fly into lamps or crawl all over your tv screen at night? Why do they do this?! The answer is more complicated than you might think...
Instructional Video4:09
SciShow

Whiteflies Destroy Crops Thanks to a Stolen Plant Gene | SciShow News

12th - Higher Ed
The silverleaf whitefly – a very prolific pest – is the only insect that we know of with a functional stolen plant gene.
Instructional Video3:32
SciShow

Where Does the Candle Wax Go?

12th - Higher Ed
While not used much any more as a primary source of light, candles are still everywhere, from an aroma in a bathroom to a mood during dinner. That is, until they’re gone.
Instructional Video3:32
SciShow

When Sex is Hard

12th - Higher Ed
When it comes to sex things can be complicated, but for the three species we are looking at today, sex is really hard.
Instructional Video6:11
SciShow

When Athletes Dope ... & Einstein FTW

12th - Higher Ed
This week's SciShow news has Hank bringing us a primer on the science behind various illegal and illicit ways in which athletes "improve" their bodies, proof of general relativity that we can actually see, and a new way to measure how...
Instructional Video6:36
SciShow

What's Up With That Russian Vaccine? | SciShow News

12th - Higher Ed
You might be wondering what we know about Sputnik V, the world’s first vaccine for widespread use against COVID-19. Well, so is everyone. Many experts are skeptical as to whether the vaccine actually works, because it’s been tested in a...
Instructional Video2:08
SciShow

What Makes Your Ears Ring?

12th - Higher Ed
What's happening inside our ears when we can hear that ringing? What's happening inside our brains? Sit back, clean the wax out of your ears, and let Michael Aranda explain! ----------
Instructional Video2:31
SciShow

What If Your Arm Falls Off Right After a Vaccine?

12th - Higher Ed
If you lost your arm almost immediately after being vaccinated, would you still be vaccinated?
Instructional Video6:35
SciShow

What Happens When Matter is Pushed to the Extreme

12th - Higher Ed
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
Instructional Video1:53
SciShow

What Happens to My Wool Sweater in the Washer?

12th - Higher Ed
Be careful with your wool. Unless you want a nice piece of felt with some holes in it.