SciShow
When Did We Start Getting Cavities?
You would think that without dentists and fluoride mouthwash, early humans would have terrible teeth. But tooth decay depends on access to sugars and starches -- meaning most early humans had decent teeth up until the Agricultural...
SciShow
The OTHER Genome Project That’s Transforming Medicine
You've heard of the Human Genome Project, and how having all that info about our genes could help us treat /tons/ of diseases. But a newer project wants to zoom out a little and use different genetic information to help us solve our...
PBS
Did An Ancient Pathogen Reshape Our Cells?
There is one - and only one - group of mammals that doesn’t have alpha-gal: the catarrhine primates, which are the monkeys of Africa and Asia, the apes, and us.
PBS
When Giant Lemurs Ruled Madagascar
Just a few thousand years ago, the island of Madagascar was inhabited by giant lemurs. How did such a diverse group of primates evolve in the first place, and how did they help shape the unique environments of Madagascar? And how did...
PBS
When Bats Took Flight
Bats pretty much appear in the fossil record as recognizable, full-on, flying bats. And they show up on all of the continents, except Antarctica, around the same time. So where did bats come from? And which of the many weird features...
PBS
The 40 Million-Year-Old Ecosystem In Your Mouth
The hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while you’re alive! And scientists have figured out how to study &...
PBS
Primates vs Snakes (An Evolutionary Arms Race)
The Snake Detection Hypothesis proposes that the ability to quickly spot and avoid snakes is deeply embedded in primates, including us - an evolutionary consequence of the danger snakes have posed to us over millions of years.
PBS
What Happened To Primates In North America?
Early primates not only lived in North America -- our primate family tree actually originated here! So what happened to those early relatives of ours?
SciShow
New Genetic Clues to the Mystery of Your Giant Brain
Big-brained scientists have found the mechanism that may have allowed their brains (and all humans') to get so big.
SciShow
Butt Chat? Why These Primates Communicate With Their Rear Ends
Have you ever wondered why some primates have such a red, prominent rear end? Turns out that many monkeys use their bums for communication! Learn all about this butt chat in this episode of SciShow!
SciShow
Why Scurvy Doesn't Make Sense to Science
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...
SciShow
Why are we Ticklish?
What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!
SciShow
Curious Orangutans and 4 Other Animals a Bit Different in Captivity
Surround a wild animal with humans, and there are bound to be some changes. Here are five animals that show differences in captivity.
SciShow
7 Animals That Can't Be Trusted
Almost every human has told a lie at some point or another - but did you know that we are not the only species to do this? From dogs to cuttlefish to thornbills, these 7 animals also lie!
SciShow
The Science of Men
Learn about the history of dudes, and a new theory about deep voices in this new episode of SciShow News. You know, science... bro... stuff. Hosted by: Hank Green
SciShow
The Most Beautiful Science of 2012
Michael Aranda substitutes for Hank again in this week's News to tell you about the winners of the 2012 Visualization Challenge, an annual competition run by the journal Science that selects the most elegant and educational graphics,...
SciShow
How Smart Are Animals, Really?
Measuring 'intellect' is a difficult task. Check out one way scientists are attempting to make this endeavor more testable. Hosted by: Hank Green
SciShow
Why Are There Righties & Lefties?
About 10% of the world population is left-handed. But why does handedness exist and what determines which hand is dominant? Scientists have suggested several theories, but the answer may well lie with evolution.
SciShow
Why Don't Humans Have a Mating Season?
Unlike lots of other animals, there’s no such thing as the “mating season” for humans, and it might have to do with how we raise our kids.
Curated Video
Tokyo zoo puts its director in a monkey cage as an April Fool's Day exhibit.
1. People looking at monkeys at zoo
2. Close up on monkeys in cage
3. Cutaway of child
4. Various shots of Hiroshi Sugaya, Director of Tokyo's Ueno Zoo, inside cage
5. People looking at Hiroshi Sugaya in cage
6. SOUNDBITE: (Japanese)...
SciShow
The Human Neocortex Isn’t as Special as We Thought
For a long time, scientists considered the neocortex the brainiest part of the human brain – an obvious candidate for the thing that makes us unique. But in some ways, it’s not that different from other mammals’ brains. So researchers...
SciShow
The Most Beautiful Science of 2012
Michael Aranda substitutes for Hank again in this week's News to tell you about the winners of the 2012 Visualization Challenge, an annual competition run by the journal Science that selects the most elegant and educational graphics,...
SciShow
Do Animals Appreciate Music?
Animals might be music lovers, but how can we know? Is the ability to perceive and appreciate music a shared human and animal experience?
MinuteEarth
We don't know what a tree is (and this video won't tell you)
It turns out that defining what is and isn't a “tree” is way harder than it seems.