Dogs have two sets of teeth, just like humans. They first have 30 "puppy" teeth, then 42 adult teeth.

The citrus soda "7 UP" was created in 1929. The original name of the popular drink was "Bib-Label Lithiated Lemon-Lime Soda", but it got changed to "7 UP."

A rainbow can be seen only in the morning or late afternoon. It can occur only when the sun is 40 degrees or less above the horizon.

AMAZING FACTS