Kissing an infection-free partner is good for your teeth!
141
There are about 255 babies born worldwide every minute.
46
The Basenji dog is the only dog that is not able to bark.
4
Diamonds can be shattered with a hammer.
-104
A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6