Dogs do a lot of weird things, and sometimes they’re funny enough to post on Tumblr. But before you do, make sure li’l Scamp isn’t doing any of these three things -- because they spell trouble.

The ant world is an incredible, dangerous, and downright bizarre place. Some ants, though, are a lot cooler and more resourceful than you might give them credit for.

According to research, some animals act in ways that seem oddly similar to the things we do.

In what seems like an inefficient use of resources, these penguins always lay two eggs, but then ignore, discard, or just straight-up destroy the first one. What gives, penguins?

You think your tummy rumbles? Meet the ghost crab — it growls using teeth inside its stomach, and not because it’s feeling peckish!

Hank talks about why it is so difficult for scientists to predict earthquakes in the short term.

Scientists dissect the human scream for the first time, and also re-think what was thought to be the biggest dinosaur in the world.

Let’s face it: humans stink! But that’s not always a bad thing - we use smells to interact with each other and navigate our lives. Hosted by: Hank Green

The toughest, most dominant canine gets the resources and respect - or at least that's the idea that caught on culturally. Turns out, that's not necessarily how it works.

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...

Hank hates death, so he helps us understand the process of aging, informs us of how scientists are studying ways to prevent it and brings us the exciting news of current research in longevity... for mice.

Dolphins are sophisticated creatures similar to us in many ways. But until recently, one of their behaviors had scientists scratching their heads.

The temperature drops and you're more likely to get a cold: Is this correlation or causation?

Humans know a lot about bees, seeing as they impact both our ecology and our economy. But there's something about bumble bees that we totally missed until recently; a super weird and mysterious behavior that might give them a leg up in...

Our bodies instinctually respond to the movements and rhythms of nature, like the uplifting feeling you get when walking in a forest. Can art evoke the same emotions? Experiential artist Lonneke Gordijn takes us through her studio's...

Being caught talking to yourself can feel embarrassing, and some people even stigmatize this behavior as a sign of mental instability. But decades of research show that talking to yourself is completely normal; most if not all of us...

Some online quizzes would have you believe the idea that certain people have a specific “personality type”. But is an “addictive personality” a real thing?

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...

Being attacked by a predator can be scary, but tiger moths have a very distinguished way to survive predatory bats. Meanwhile, scientists have presented findings on the importance of microbial ecosystems beneath the soil.

In this episode of Crash Course Psychology, Hank takes a look at a few experiments that helped us understand how we develop as human beings. Things like attachment, separation anxiety, stranger anxiety, and morality are all...

In this episode of Crash Course Psychology, Hank talks about how we learn by observation... and how that can mean beating the tar out of an inanimate clown named Bobo. -- Table of Contents Limitations of Classical and Operant...

You don't actually have a "reptilian brain" somewhere deep in your head making you act like a salty crocodile, so where did that idea even come from?

To get young kids to thrive in school, we need to do more than teach them how to read and write -- we need to teach them how to manage their emotions, says educator Olympia Della Flora. In this practical talk, she shares creative tactics...

Introverts can often feel antisocial, but they are not always the same thing. In fact, psychologists found that they have great differences in their brain’s structure and function.