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How Do Anti-Wrinkle Creams Work?
Season 4
Episode 16
Skin can stay firm and stretchy thanks to protein fibers called collagen and elastin in the tissue beneath the surface. But environmental factors like smoking or ultraviolet rays from the sun can produce free radicals that damage skin cells’ ability to make more of these supports. Anti-wrinkle products claim they keep the skin surface fresh and rejuvenate these cells, but is it legit?

7:29
This is a deeper dive into how complicated and climate based hibernation is.

10:50
There is so much more to these “negatively charged particles” than we've thought.

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?