What's the most transformative thing that you can do for your brain today? exercise! says neuroscientist Wendy Suzuki. Get inspired to go to the gym as Suzuki discusses the science of how working out boosts your mood and memory -- and...

You're not at your best when you're stressed. In fact, your brain has evolved over millennia to release cortisol in stressful situations, inhibiting rational, logical thinking but potentially helping you survive, say, being attacked by a...

Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we use antibodies to disrupt the function...

Sleep is your life-support system and Mother Nature's best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get...

Remember that guy from 300? What was his name? ARG!!! It turns out our brains make and recall memories in different ways. In this episode of Crash Course Psychology, Hank talks about the way we do it, what damaging that process...

This is episode 9 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and...

In which John Green continues discussing George Orwell's 1984. Today we're talking about what the novel 1984 has to say about what some have called today's surveillance society. We'll also look at the idea that language can be used as a...

Computers and computing have changed a lot over the History of Science but ESPECIALLY over the last 100 years. In this episode of Crash Course History of Science, we have a look at that history around World War Two and how that conflict...

You've had a lot of fun learning new stuff with us on SciShow Kids, but have you ever wondered how and why you remember all that awesome knowledge? Join Jessi and Squeaks to learn about how your brain helps you learn, and way more!

When Henry Molaison (now widely known as H.M.) cracked his skull in an accident, he began blacking out and having seizures. In an attempt to cure him, daredevil surgeon Dr. William Skoville removed H.M.'s hippocampus. Luckily, the...

You’ve probably been there before, working hard on your job until your brain gets all mushy and fuzzy. But small breaks, like watching this video, can help you in multiple ways! Just, don’t fall into any cat video rabbit holes.

There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery of sleep.

African artifacts shown in museums worldwide are often not borrowed, but stolen -- and TED Fellow Jim Chuchu is on a mission to get them back. Learn the sordid history behind how many of the collections in the West came to be, Chuchu's...

In this episode of Crash Course Psychology, Hank has a look at that oh so troublesome time in everyone's life: Adolescence! He talks about identity, individuality, and The Breakfast Club.
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Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by...

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when...

In many ways, our memories make us who we are, helping us remember our past, learn and retain skills, and plan for the future. And for the computers that often act as extensions of ourselves, memory plays much the same role. Kanawat...

An essential part of learning and studying is remembering things, so this week Thomas explains some of how your memory works so that you can spend less time working against your memory's limitations and more time playing to its real...

Having a perfect memory sounds like the most amazing thing ever, but there's also a downside of having hyperthymesia.

So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is storage. Data written to storage, like your hard drive, is a little different, because it will still be there even if the power goes...

The point of fiction is to cast a spell, a momentary illusion that you are living in the world of the story. But as a writer, how do you suck your readers into your stories in this way? Nalo Hopkinson shares some tips for how to use...

We use computers for all kinds of things, like talking to our friends, doing our homework, and watching SciShow Kids! But have you ever wondered how computers can do all of this cool stuff?

I don't know why, but you all keep asking for an episode on nootropics. For those of you who aren't in the know, those are drugs which are supposed to enhance cognitive function. Nootropics are the topic of this week's Healthcare Triage.

Baddeley and Hitch's (1974) contribution to memory theory is one of the most significant models in the subject. This video outlines the model and its constituent parts: The Central Executive, Visuo-Spatial Sketchpad, Phonological Loop...