Showing posts with label toothpaste. Show all posts
Showing posts with label toothpaste. Show all posts
Friday, September 18, 2015
Wednesday, April 8, 2015
Why Is Fluoride Good for Teeth?
Published on Apr 8, 2015 SciShow
"If our teeth are made mostly of calcium, why do we use fluoride to keep them healthy? Quick Questions explains why, and how we finally figured it out."
Tuesday, March 10, 2015
Why Does Toothpaste Make Everything Taste Bad?
Published on Mar 10, 2015 SciShow
"Have you ever noticed that toothpaste makes some yummy foods, like orange juice, taste awful? QQ explains!"
Subscribe to:
Posts (Atom)