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...
SciShow Kids
Why Do Kangaroos Have Pouches? Animal Science for Kids
What do kangaroos, koalas, and opossums all have in common? Find out when you learn all about marsupials!
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
Why Echidnas Are Evolutionary Misfits
It’s pretty well known that Australia is home to some strange animals, but echidnas are especially weird evolutionary misfits.
SciShow
This Ancient Mammal's Ears Were Built for Chewing
In this weeks science news, new fossil has been found that might help us understand how jaw bones evolved into complex middle ears found in mammals, and a new treatment regimen for treating babies with HIV shows promise.
SciShow
Why Do Bats Carry So Many Dangerous Diseases?
Bats are amazing and not just because they're the only mammal that can fly! But they also carry a lot of diseases that are dangerous to humans, and while that is definitely not their fault, there is actually a lot we can learn from their...
PBS
When Rodents Rafted Across the Ocean
The best evidence we have suggests that, while Caviomorpha originated in South America, they came from ancestors in Africa, over 40 million years ago. So how did they get there?
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
Meet the Worlds Worst Carnivore the Kinkajou
When you think of a wild carnivore, you might imagine a lion felling a wildebeest, but let us introduce you to the kinkajou, a tree-dwelling creature that uses its adaptations to prey on… fruit, mostly.
SciShow
Can Animals Predict Earthquakes?
You might have heard about animals behaving oddly right before an earthquake hits. But are these reports more than just anecdotes?
SciShow Kids
Meet the American Bison!
Bison are magnificent! Join Jessi and Squeaks and learn all about America's National Mammal.
MinuteEarth
Why Don't Sled Dogs Ever Get Tired?
Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism. ___________________________________________ To learn more about this topic, start your googling with these keywords: Glycolysis: The...
SciShow
How Did North America End Up With a Marsupial?
Both North and South America have their own species of marsupial, the opossum, but how they got so far away from their Australian relatives is a bit of a mystery.
SciShow
7 Animals That Evolved at Hyperspeed — Because of Us
Evolution is known to be a long, slow process. But thanks to our interference, some animals have adapted at light speed in order to survive. Chapters 1 CLIFF SWALLOWS 2:45 SPORT FISH 3:04 MOSQUITOES 4:28 TURTLE-HEADED SEA SNAKES 6:09...
SciShow
Monogamy
Hank examines the zoological definition of monogamy, as well as some other breeding strategies that animals use.
SciShow
6 of the Planet's Best Hunters
You might think venomous snakes or fierce lions are the best hunters, but turns out they are not even close to these 6 actual best hunters in the animal kingdom.
TED Talks
Paul Sereno: Digging up dinosaurs
Strange landscapes, scorching heat and (sometimes) mad crocodiles await scientists seeking clues to evolution's genius. Paleontologist Paul Sereno talks about his surprising encounters with prehistory -- and a new way to help students...
Crash Course
The Evolutionary Epic: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about evolution. So, in the last 3.8 billion years, life on Earth has evolved from single-celled prokaryotes to the dizzying array of life we have today. So how did all this...
SciShow
A Brief History of Life: Dinosaur Time!
The Great Dying hit life hard, but the species that survived took over the planet and diversified into many interesting forms, including the dinosaurs!
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
Why Are Marine Mammals So Big
Marine mammals are famously large, but why is that? And is there a polar bear-sized sea otter in our future?
MinuteEarth
MinuteEarth Explains: Battle of the Sexes
In this collection of classic MinuteEarth videos, we take a look at how deep the divide between males and females actually goes.
TED-Ed
TED-Ed: Why do women have periods?
A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We're one of the select few mammals on Earth that menstruate, and we also do it more than any other animal, even though it's a waste of nutrients, and...