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Do Masks Stop COVID-19? (Yes! Here's Why)
Season 5
Episode 97
The CDC is recommending that the general public wear cloth face masks to help decrease everyone’s chances of getting COVID-19. So how does the virus that causes COVID-19—SARS-CoV-2—spread? And how much could cloth face masks help stop it? We contacted some experts to find out, and to learn what materials work best if you’re making your own.
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8:31
Making pop rocks at home is so much harder but so much fun. Check it out!

7:03
Why are some heavy metals deadly while others keep us alive?

8:11
Let's explore how fuel cars work and if they're truly sustainable.

6:31
How did something meant to keep you safe end up killing over 100 people?

5:39
We try to find some of the 700 trillion dollars worth of gold in the ocean.

7:36
Bacteria could be what save us from ourselves.

7:04
Are humans destroying the circle of life?

6:20
We show you how two simple changes can turn cardboard-y pizza into award winning pie.

7:19
We discover how the Surfside Condominium—a modern building built in 1981—fail.

7:38
But the furthest we’ve traveled is 7 miles down, so how could we know that?

6:43
Every year more than 1,000 tons of plastic rains down onto national parks and wilderness.

8:05
See what happens when we try to make a strawberry last forever.