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It's Okay to Be Smart
How Well Do Masks Work?
Season 8
Episode 16
Wearing a mask is a cheap and easy way to help stop the spread of airborne infections like COVID-19. It’s also a sign that you want to help protect other people and have them protect you… that we’re all in this together. Here’s some awesome slow-motion schlieren imaging experiments to demonstrate why masks work! Share with someone who needs to see this.
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10:16
Eating turkey this holiday season? You’re eating a dinosaur!
6:08
The edge of everything might not even exist…
7:41
The 1918 Flu outbreak killed 5% of the world's population--could it happen again?
5:30
Scientists have discovered the largest river on Earth, and it’s in the sky above.
6:40
Teeth are made from some biological nanotechnology that will blow your mind.
5:24
Raindrops are shaped like teardrops, right? Wrong! Let's discover rain's true shape.
6:07
Turns out the inheritance of height is a lot more complicated than we thought.
6:33
Ever wondered why restaurants warn you about raw or undercooked seafood on their menus?
5:48
Got a bad habit you can’t break? That’s because it’s literally wired into your brain.
6:05
The answer led me to new knowledge about human development.
8:03
From anatomy to genes, here are some stories of how you got to be the way you are.
4:20
Why do we cry? It’s weird.