Like it or hate it, cold brew coffee definitely tastes different than regular ol' drip, and it's all thanks to science.

SciShow tackles one of the cutest questions ever: Why cats knead. You might have heard the theory, but do you know what adult cats would hold on to kitten-like behavior? The answers await!

Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way - as tiny floating larvae! These babies are capable of drifting thousands of miles on ocean currents, far from the reefs where they were born....

LEGO blocks: playtime mainstay for industrious kids, obsession for many (ahem!) mature adults. Hillel Cooperman takes us on a trip through the beloved bricks' colorful, sometimes oddball grownup subculture, featuring CAD, open-source...

Rita Pierson, a teacher for 40 years, once heard a colleague say, "They don't pay me to like the kids." Her response: "Kids don't learn from people they don't like.'" A rousing call to educators to believe in their students and actually...

You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.

Neuroscience is abound with debates over the nature of consciousness. Which makes sense, because it’s a very abstract idea. We know we are conscious, but theories of why, how and what brain activity causes it are still simply that:...

You might have noticed that lots of drugs have special children’s formulas, and you might think that’s because smaller people need smaller doses. But you’d be wrong! Because kids aren’t just tiny adults.

Lice are tiny bugs that love to live in people's hair and suck their blood! Anyone can get lice and they can be tricky to get rid of, but Jessi and Squeaks are here with some lice facts that could help you avoid these itchy little critters!

Did you ever have a teacher who cared for you when no one else did? Jok Church tells a short, moving story of the teacher who sheltered him as a young gay teen and helped him grow -- and how, many years later, he and his partner had the...

From ripping your own appendages off to cockroach mind control, wasps go to great lengths to ensure the survival of their species.

Puberty is a wild time in human bodies, and so much goes on as they transform from a child to an adult. But it turns out, the whole process is controlled by a single protein - and it’s probably one you’ve never even heard of.

Kids are weird. They eat mud, talk to bugs, and stick things up their noses... but the changes kids go through as they grown out of infancy and into childhood are even weirder!

Learning a new language as an adult is harder than doing so as a child because adults usually aren’t as invested and often use the wrong strategies.

Hank talks about three scientific reasons why cute things make us a special kind of crazy.

Can holding your pee be bad for you? Learn about your bladder in this Quick Question with Michael Aranda!

While we often talk about puberty's effect on the body, what gets overlooked are the fascinating changes that happen in the brain. Puberty, in fact, begins in the brain, and lasts as long as five years. And during this extended process,...

How do you define adulthood? It's a difficult question because that delicate brain of yours stays squishy well after you start paying your own rent.

In which John Green examines JD Salinger's novel The Catcher in the Rye. John pulls out the old school literary criticism by examining the text itself rather than paying attention to the biographical or historical context of the novel...

What makes you… you? How did you get to be that way? Today we’re talking about social development, starting with the role of nature and nurture in influencing a person’s development. We’ll discuss socialization, the importance of care &...

Go through the loop, Higgins!

This video is the eighth installment of our Psychology Revision Series to prepare you for your exams with exactly the right information that you need to know.

As a kid, the monsters in Where the Wild Things Are were downright frightening. But thinking about the book as an adult, it’s clear there’s something deeper to this fantastically monstrous story.

Howcast - Learn everything you need to know about bed bugs in this Howcast pest control video with expert Jeff White.