It seems wild that some animals basically trade in their bodies for new ones during their lifetime, but it's actually really common – and it makes a lot of sense.

Beehives always have a queen, who is the mother of the entire hive. But have you ever wondered, what happened to the king, if there was ever any? Can a male bee become a king?

Are These Butterflies The Same?

*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...

Hairworms, sometimes called horsehair or Gordian worms, are mind-controlling parasites with a twist. A genetic study found these nematomorph worms are missing 30% of their genome, and we don't understand how they live without genes for...

Dinosaur mating behavior has been the subject of a lot of speculation, but what can we actually say about it from the fossil record?

Ladybugs are red with black spots, right? Well, not always. There's a lot of genetic and evolutionary reasons that they can be different colors with wacky patterns.

On remote, rocky North Pacific islands, you may find a cute little bird that just so happens to smell like tangerines.

You probably have a vague idea of what sperm does, but not all sperm are created equal, and some have even developed unique adaptations to get where they're going.

Whether they’re dancing, hunting, or being a pain in the nose, these new arachnid species will knock all 8 of your socks off.

Hank examines the zoological definition of monogamy, as well as some other breeding strategies that animals use.

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!

Hank delves into the scientific reasons behind why we are attracted to the people we're attracted to. It's complicated.

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...

When it comes to sex things can be complicated, but for the three species we are looking at today, sex is really hard.

Welcome to the romantic, violent, treacherous, and murderous mating lives of bugs.

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.

People ask Google everything under the sun. One of the most commonly searched questions in the world is “What Is Love?” Allow us at SciShow to explain.

We often think of categories as fixed, with a species being a species no matter what. The thing is, life doesn’t have to follow our rules.

In a Texas clearing, an ancient tale that ties four species together is unfurling. The first involved is a soon-to-be queen leafcutter ant. The second is fungus, a piece of which she scoops into her mouth pocket. The third are...

We've all seen those animals, "Oh my gosh! It's so cute! I just want to cuddle with it!" Well stop it right now! Remember, that little cutie is a wild animal, so no cuddling. Also, you'll want to make sure it's not one of these ten...

It's a beautiful day, so Squeaks is going to go on a hike! And he's bringing his trusty field journal so he can take notes on all of the plants and animals he sees along the way!

In the animal kingdom, sex often involves more conflict than cooperation. The struggle between males and females leads to a host of weird adaptations, from chastity belts to anti-aphrodisiacs.



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From Ancient Greece to the 20th century, Aristotle, Freud, and numerous other scholars were all looking for the same thing: eel testicles. Freshwater eels could be found in rivers across Europe, but no one had ever seen them mate and no...