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Reactions
But Why Do Dogs Smell Each Other's Butts?
Season 1
Episode 20
Reactions is getting to the bottom of one of the biggest quandaries in science: Why dogs sniff each other’s butts. Spoiler: it's chemistry. Turns out this behavior is just one of many interesting forms of chemical communication in the animal kingdom. Dogs use a special feature called the Jacobsen's Organ to get chemical signals from their nose sent directly to their brain.
11:48
How do carbon dioxide molecules trap heat in our atmosphere?
10:37
Why has the European Union banned certain colors for tattoos?
12:29
Can we solve electric vehicle fires before we fully understand what’s happening?
15:58
Fluffy, delicious bread results when starch gelatinization and flour chemistry combine!
12:35
Join George (and, occasionally, Andrew) as they chart corn’s epic chemical journey.
10:46
We explore and learn anywhere between the 20 and 74,963 kinds of ice.
10:34
For years it was used in homicidal poisonings. We learn what made it so dangerous.
12:40
We explore brining and whether or not it makes a different when cooking the turkey.
15:23
We dive into the science to figure out how to make gummies without the side effects.
18:01
There are a few obstacles to overcome before we get there.
13:15
Come along on George’s epic journey into the wilds of salt science!
9:41
Weeds are building a defense against today's herbicides.