Be Smart
The Surprising Power of Sex in Evolution
New ReviewWe all know Charles Darwin's theory of evolution, right? Natural selection? But what about his lesser-know theory of evolution: sexual selection. Let’s talk about how animals like peacocks, whose eye-catching physical traits make them...
SciShow
Help, I’ve Lost My Butt!
It feels like for an animal, having one's butt fall off would be pretty bad. But apparently that's not always the worst thing to happen, at least not for these specific animals.
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,...
PBS
Eating disorders are affecting more adolescent boys: here’s why and what signs to look for
For years, eating disorders were thought to predominantly affect women and girls. But it’s estimated that 1 in 3 people with the condition is male, and that 10 million American boys and men will struggle with it at some point in their...
SciShow
Evolution Can't Explain Your Grandma
There's a really interesting idea in anthropology called the grandmother hypothesis, that basically says the reason we have grandmas has to do with what makes us unique as a species. But there's a huge problem with the idea that it's...
SciShow
Animals Have Nepo Babies Too
Trust funds aren't just for humans. Animals pass on generational wealth too, meaning even the animal kingdom isn't free of nepo babies.
PBS
How Dinosaurs Coupled Up
Dinosaur mating behavior has been the subject of a lot of speculation, but what can we actually say about it from the fossil record?
PBS
Is This The Oldest Dad In The Fossil Record?
Fossil evidence suggests Diictodon used burrows to breed, and that a parent stayed behind to feed and protect their young. And the parent that stayed behind? It might’ve been the male.
Be Smart
Why Are There As Many Males As Females?
In almost every animal species on Earth, equal numbers of males and females are conceived. Why is that? Especially in populations like lions or elephant seals, where most males don’t get to mate? That’s survival of the laziest, not...
TED-Ed
TED-Ed: Can other animals understand death? | Barbara J. King
In 2018, an orca called Tahlequah gave birth. But her daughter died within an hour. Tahlequah, however, didn't leave her body. Over the next 17 days and 1,600 kilometers, she kept it afloat atop her own. By altering her feeding and...
TED Talks
TED: How life on Earth adapts to you and me | Shane Campbell-Staton
We tend to think of evolution as a slow, gradual process playing out over millions of years. But evolutionary biologist Shane Campbell-Staton says nature is now changing at breakneck speed to keep up with the world humanity has built....
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.
MinuteEarth
The Weird Sex Lives of Bluegills
When it comes to the mating game, fish have some of the strangest ways of thwarting the competition.
SciShow
Why Animals Take Care of Other Animals' Young
Did you know that some species take care of young that are not their own? This surprising practice is called alloparenting, and it’s been observed in animals from otters, like Rosa and Selka, to birds to baboons!
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 Are There No Male Whalefish?
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...
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
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
These Wasps Throw Awesome Parties
Large clumps of wasps can occasionally be found on the tops of tall structures, and although you probably still don’t want to mess with them, these aren’t angry swarms—they’re actually super chill parties.
SciShow
These Plants Are the Same Species
Sometimes the males and females of a species can look really different from each other. This is pretty common in animals (think peacocks), but there are some plant species out there with extreme sexual dimorphism! And now scientists...
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
9 Extreme Bug Mating Rituals
Welcome to the romantic, violent, treacherous, and murderous mating lives of bugs.
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.