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
11:15
George tries to make a new discovery in a huge field of science... and he might have.
12:00
This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys.
20:29
Rubbing two balloons together leads George to a shocking discovery.
11:25
Is baking soda a legal, performance enhancing drug?
8:10
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.
13:59
Alex wonders what happens when hot water freezes quicker than room temperature water?
9:56
Could a seemingly magical 300-year-old technology save us from climate change?
14:50
Fluoride is everywhere in the discourse but here’s what the research actually says.
9:47
How does a lifesaving drug vanish into thin air?
9:36
is there really a difference in the Coca-Cola from Mexico?
11:57
Alex made some kidney stones at home and tested prevention methods to keep them at bay.
10:38
An email from a subscriber made us question everything we thought we knew about trees.