SciShow
Karaoke Lemurs and the Evolution of Music
By giving some fossils a dental exam, we've learned more about how tusks first evolved. And humans aren't the only primate that can get down at karaoke night.
SciShow
The Truth About Dog Years (Your Pupper Is Older Than You Think!)
You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.
SciShow
Why Do People Have Periods When Most Mammals Don't?
Few mammals actually get periods every month, or even at all, but why? Understanding what menstruation really is and why it happens could help ease symptoms & treat conditions that stem from the reproductive system.
SciShow
The Rarest Cancer in History (It's Also the Weirdest)
The medical industry has developed countless methods and tools for diagnosing the myriad of illnesses that can befall us. This, as you might guess, includes cancer. But it took a research team five months to diagnose this specific cancer...
SciShow
Some Mammals Can Just… Pause Pregnancy
We generally think of pregnancy as a continuous process, but scientists have recently discovered mechanisms that allow for certain mammals to put the development of a fetus on pause.
SciShow
The Sex Lives of Early Humans
Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.
TED-Ed
TED-ED: The three different ways mammals give birth - Kate Slabosky
All mammals share certain characteristics, like warm blood and backbones. But despite their similarities, these creatures also have many biological differences - and one of the most remarkable differences is how they give birth. Kate...
Be Smart
There Was No First Human
If you traced your family tree back 185 million generations, you wouldn't be looking at a human, a primate, or even a mammal. You'd be looking at a fish. So where along that line does the first human show up? The answer may surprise you
SciShow
Why No Giant Mammals?
Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size of the largest sauropods. Some of them might surprise you!
SciShow
Fidelity Hormones, Contagious Behavior, and the Meat-Allergy Plague
This week's SciShow News finds Hank up to his elbows in weird disorders and strange behaviors, including a chemical that makes men stay faithful, new insights into what makes some behavior contagious, and the truth about a disease that...
SciShow
Extreme Animal Milks You Probably Don't Want To Drink
All mammals produce milk, but you probably wouldn't want to dip your cookies in all of them.
SciShow Kids
Animal Track Detective! Science for Kids
Maybe you've seen animal tracks in the mud after a rainy day, but did you know that you can study these tracks to learn all kinds of things about the animals that made them? Grab your detective hat and join Jessi to find out how!
SciShow
These Bats Make Tiny Snow Caves
One might not think that snow could help anything stay warm through a harsh winter, but these tiny bats have found a way to utilize the insulation provided by the snow: they make little forts to wait out the winter.
SciShow
Basically Every Mammal Is Good at Swimming... Except Us
From the world’s biggest land animal to a creature built more like a tank than a sub, meet seven mammals that you might not think can swim well, but do! CHAPTERS View all MOOSE 1:33 2 ELEPHANTS 3:21 ARMADILLOS 4:54 CAMELS 5:32 6 SLOTHS 9:03
SciShow
The Secret of Regeneration in... Alligators
Why can amphibians, fish and even some reptiles regenerate limbs, while birds and mammals can’t? Researchers think they might have found a clue on the tip of the alligator’s tail.
SciShow Kids
Odd Facts About Sloths
Sloths might be slow and spend much of their time sleeping, but they’re definitely not boring. Jessi shares three weird facts about sloths!
SciShow
5 Animals With Superpowered Senses
From the ability to see “invisible” types of light to the power to taste all over their body, meet five incredible animals whose super senses far surpass our own! Chapters STAR-NOSED MOLES 3:04 HARBOR SEALS 4:56 CATFISH 6:49 BEARS 8:26
SciShow
How Shoulders Took Over the World (ft. Emily Graslie!)
Emily Graslie joins us to share the wonder of how shoulders, humble as they may be, have played a huge role in the evolution of mammals the world over. Thanks to the Museum of Comparative Zoology at Havard and The Field Museum for...
SciShow
The 10 Oldest Fossils, and What They Say About Evolution
Wouldn’t it be cool to be able to point at a fossil and know that it’s the first, say, plant? Well... yeah! But it's not that easy! Scientists are always making new discoveries that throw all our old assumptions into question, but we've...
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.
SciShow
Why Yapoks Need a Pouch for Their Junk
Yapoks are cute aquatic marsupials, and they're the only living creatures that need pouches for their sacs.
SciShow
Squid Proteins, but Make Them Fashion
Humans often take inspiration from nature when coming up with inventions, and this includes breakthroughs in fabric design that help to forward the fabulous and functional world of fashion.
Crash Course
Chordates - CrashCourse Biology
Hank introduces us to ourselves by taking us on a journey through the fascinatingly diverse phyla known as chordata. And the next time someone asks you who you are, you can give them the facts: you're a mammalian amniotic tetrapodal...