Crash Course
Let's Talk About Sex: Crash Course Psychology
Sex is complicated for different reasons in different cultures. But, it's the entire purpose of life, so there's no reason to blush. In this episode of Crash Course Psychology, Hank talks about Kinsey, Masters and Johnson, Sexuality,...
TED-Ed
TED-Ed: If you're an adult mayfly you'll probably die before the end of this video | Luke M. Jacobus
For most of the world’s 4,000 mayfly species, adulthood lasts roughly one day. And for some species, it’s only a matter of minutes. This isn’t because they’re all eaten up by predators. Rather, this abridged adulthood is a natural part...
SciShow
How Do We Figure Out The Sex ... Of A Fossil?
We know a lot about fossils, but there's one thing about all those long-dead organisms that's hard to figure out -- their sex. So let's talk about the ways we can try to determine whether those T. rex bones came from a male or a female,...
SciShow
Inbreeding with Yourself
*At the time this video was made, it had been reported that Charlotte the round ray was pregnant. However, new information has come out that she was never pregnant with parthenotes, and in fact had a reproductive disorder, which is a...
SciShow
Autoimmune Diseases Are Sexist. Here’s Why
Autoimmune diseases like lupus disproportionately affect women five to one. Researchers have finally pinpointed a unique silencing gene on the X chromosome that may help explain why. Women Get More AutoImmune Diseases. Here’s Why.
SciShow
Female Cockroaches Hate Romance (And It’s Our Fault)
Most people don't love cockroaches. And thanks to that lack of love, the females of one species of cockroach might not love their males looking for love. But lucky for both of them, evolution might be finding a way around it.
PBS
Why Male Mammoths Lost the Game (w/ TierZoo!)
Woolly mammoths, our favorite ice age proboscidean, disappeared from Europe and North America at the end of the last ice age, about 10,000 years ago. Today, we’ve teamed up with TierZoo to solve one of the mysteries about these...
PBS
There’s Something Weird About Neandertal DNA And It Might Be Our Fault
Maybe it’s a little self-centered that we can be pretty focused on the DNA that we got from Neanderthals – but we shouldn’t forget that gene flow goes both ways.
SciShow
Will Climate Change Turn More Reptiles Female?
We hear all the time about the ways that climate change could disrupt the world. But thanks to a quirk of reptile biology called temperature-based sex determination, it could also mean a surge in the numbers of female reptiles.
Amoeba Sisters
Punnett Squares and Sex-Linked Traits (UPDATED)
Explore how to solve Punnett squares that involve sex-linked traits, specifically focusing on X-linked traits. Video has a resource available here https://www.amoebasisters.com/handouts This 2023 UPDATED sex-linked traits Amoeba Sisters...
SciShow
Huge Sperm and Giant Tentacles: Relax, It's Marine Biology
SciShow shares the latest developments in science, this week including new insights into the evolution of giant sperm, and the discovery of a whole new order of animal. ----------
SciShow
9 Amazing New Arachnid Species
Whether they’re dancing, hunting, or being a pain in the nose, these new arachnid species will knock all 8 of your socks off.
SciShow
Dr. Lindsey Doe Talks about Sperm
Hank sits down with clinical sexologist Dr. Lindsey Doe and talks about 'fighter sperm'. Then Jessi from Animal Wonders comes on to show off her Quaker Parrot the 'monogamous bird'. -----------
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
When Sex is Hard
When it comes to sex things can be complicated, but for the three species we are looking at today, sex is really hard.
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
7 Extreme Animal Moms
From changing diapers to cleaning up vomit, human parents can have it tough, but at least they don't have to incubate their babies under their skin or liquify their own guts to feed their brood like these animal moms do! In honor of...
SciShow
Chimera Cats and Your Mom
Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be!
SciShow
9 Extreme Bug Mating Rituals
Welcome to the romantic, violent, treacherous, and murderous mating lives of bugs.
SciShow
How Pheromones Work in Humans
Are we really attracted to other people through pheromones? How do they work? Turns out it's much more complicated than you might think. Join Hank Green for a fascinating look into the world of human pheromones in this new episode of...
SciShow
7 Species With Big Sex Issues
You've heard of the battle of the sexes—but these 7 animal species take it pretty seriously. Join Michael Aranda for a new episode of SciShow and learn about these animals with pretty big sex-related disputes.
SciShow
Killing Mosquitoes With a Flip of a Gene
Eliminating certain species of mosquitoes could make summertime more enjoyable and cut down on the transmission of certain diseases. And scientists are looking into doing this by manipulating a single gene!
SciShow
Is the Y Chromosome Disappearing?
Scientists know that the Y chromosome has been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness. Hosted by: Michael Aranda
SciShow
Why These Weird Carnivores Smell Like Popcorn
If it smells like delicious buttered popcorn when you are in a middle of the forest, it’s not because there’s a movie theater nearby, but Binturongs, arboreal carnivore, might be.