Instructional Video1:25
SciShow

Why Do Zebras Have Stripes?

12th - Higher Ed
Michael Aranda explores the purpose of zebra stripes.
Instructional Video3:50
SciShow

Why Do These Penguins Kill Their First Egg?

12th - Higher Ed
In what seems like an inefficient use of resources, these penguins always lay two eggs, but then ignore, discard, or just straight-up destroy the first one. What gives, penguins?
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 Video2:07
SciShow

Why Do I Have to Use a Number 2 Pencil?

12th - Higher Ed
Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains!
Instructional Video4:05
SciShow

Why Carbon Dating Might Be in Danger

12th - Higher Ed
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
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 Video5:22
SciShow

Why Aren't Commercial Jets Getting Faster?

12th - Higher Ed
Airplanes are one of the quickest ways to get anywhere, but commercial jets haven't gotten much fast since the 1950's. Why is that?
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 Video6:19
SciShow

Why Are There No Male Whalefish?

12th - Higher Ed
Thanks to the Monterey Bay Aquarium and their research and technology partner MBARI for partnering with us on this episode of SciShow. They worked together on an exhibition, “Into The Deep: Exploring Our Undiscovered Ocean,” to give...
Instructional Video2:48
SciShow

Why Are There Bacteria In My Yogurt?

12th - Higher Ed
Having bacteria in your food doesn't really sound great, but you couldn't have yogurt without it! Learn why in this week's QQ!
Instructional Video2:54
SciShow

Why Are Puppy Eyes So Irresistible?

12th - Higher Ed
It’s so easy to forgive a dog, especially when they start with those puppy dog eyes. As it turns out, those puppy dog eyes and the effect they have are no accident and the result of centuries of domestication.
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 Video4:05
SciShow

Where Did That One Thick, Dark Hair Come From?

12th - Higher Ed
Some days you look in the mirror and find a long dark hair where it didn't use to be. Maybe you're going through puberty, pregnancy, or menopause. Maybe you're not. But either way, that hair didn't appear out of nowhere. It just went...
Instructional Video4:25
SciShow

Where did Teeth Come From??

12th - Higher Ed
Everywhere in the animal kingdom you can find teeth in all sorts of shapes and sizes, so you probably think you have a pretty good idea where they came from. But in reality, this debate is still a hot one, and it may have something to do...
Instructional Video3:19
SciShow

Where Did Humans Come From?

12th - Higher Ed
Hank tells us about new and confusing discoveries in the field of Human Evolution.
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! ----------