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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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12:44
Let's learn the story of one of the worst natural disasters that’s ever happened!
27:56
We learn about all the reasons that Earth’s climate changes, natural and otherwise.
12:31
Turns out, we can blame it all on neutron stars and some oddities of the periodic table.
10:00
Join Joe in this whirlwind tour of the endocrine system to find the answers.
8:29
Is Everest the tallest mountain on Earth? The answer is not as simple as you might think.
17:59
Turns out we’re all at risk of being overconfident about something.
19:10
There's an absolutely weird, but surprisingly common phenomenon called sensory adaptation.
11:50
Scientists in Florida can recreate a Category 5 hurricane in a box the size of a bedroom.
10:41
Are humans still evolving? And how have our technological advances affected the process?
19:07
Illusions teach us how our brain constructs a three-dimensional reality using 2-D images.
22:18
Joe talks biology with science communicator extraordinaire Prof. Brian Cox.
9:42
We explore why animals like whales, elephants, and other large animals not get cancer.