Up Next
Back to Show
Reactions
What's The Best Way To Whiten Teeth?
Season 3
Episode 20
It's with science, clearly. Many people have turned to over-the-counter teeth-whitening treatments. How do these work, and are they safe? This week, Reactions looks at the chemistry of a whiter smile.
Support Provided By
11:50
With the right cleaning methods, we can turn the dirtiest water into safe cleaning water.
9:12
Counterintuitively, you do it with explosives.
12:10
We’re gonna dive into the controversial chemistry of water's unusual properties.
10:03
Plot twist: Toxic Anhydrous ammonia is responsible for 50% of the food on your table.
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!
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.