We’re Running Out of These Elements — Here’s How

[♪ INTRO] Whether it’s your phone, laptop, or TV, you’re watching this video on a miracle of technology. As much as it might seem like it, these devices aren’t made from literal magic, but materials with unique and surprising properties. But as special as they are, it shouldn’t surprise you to learn that they’re also […]

Mental Health Apps: How Medicine Can Keep Up With Tech

Thanks to Dashlane for sponsoring this episode. Go to dashlane.com/scishowpsych to learn more about Dashlane. [ ♪INTRO ] Silicon Valley thinks they have a solution for everything. Including, apparently, the fact that not everyone around the world who needs mental health care gets it. And at this very moment, there are thousands of mental health […]

Is Running Really Bad for Your Knees?

(intro) If you like to run, someone has probably warned you that you’re wrecking your knees. The idea is that when you run, the flexible, tough tissue that cushions your knee joints, called cartilage, takes a pounding. And over time, that cartilage supposedly wears down, which makes your bones rub together, and leads to the […]

Why These Moths Don’t Run Away from Bats

Thanks to Brilliant for supporting this episode of SciShow. Go to Brilliant.org/SciShow to learn more about gifting a Brilliant Premium subscription this month. [♪ INTRO ] Being attacked by a predator can be scary, but a new study in the journal Frontiers in Ecology and Evolution helps us understand how some animals can keep cool […]

5 Things Your Hair Can Tell You About Your Health

[ intro ] If you’ve ever dyed your hair the colors of the rainbow, or gotten a dramatic updo for a special event, you know that we often use hair for more than just keeping our heads warm. It can be an expression of our personalities, too. But how your hair grows — or doesn’t […]

Why Lizards Don’t Run Marathons

[INTRO ♪] If you’ve ever seen a lizard move, you may have noticed that it runs, then stops for a bit, then runs again. Well, it turns out that lizards—some of them, anyway—can’t run and breathe at the same time. And this seems to be an evolutionary leftover from the time before the ancestors of […]

The Truth About MSG and Your Health

[ INTRO] Foodies can’t stop talking about umami — the savory taste that’s taking over the culinary scene and which, along with sweet, sour, bitter, and salty, is one of the five basic tastes that our tongues perceive. But if you’re a fan of Chinese takeout, you’ve been team umami from the get-go. That’s because […]

Why Diet Might Be a Big Deal for Mental Health

[ ♪INTRO ] When it comes to physical health, mountains of evidence will tell you that a healthy diet is important. And it is. But a growing body of research is showing that diet is important for mental health, too. And before you click away, no, I’m not about to show you 10 superfoods to […]

How astronauts handle medical meltdowns in space

– We’re here in Boston at Brigham and Women’s Hospital and we’re about to get a crash course in how to deal with a medical emergency in space. I’m terrified! (techno music) (coughing) (alarm blares) – The smoke seems to be going down so, (coughing) and the alarm stopped so we should be– (background noise […]

How Far Will People Go to Fit In?

We’ve all done something kind of weird to fit in. Maybe you’ve lied about who you voted for or pretended you’d read a certain book when you actually hadn’t. Or maybe, you’ve done something kind of like the participants in psychologist Solomon Asch’s famous studies of conformity in the 1950s, and agreed that something was […]