Hilarious Teachers Who You Wish You Had In High School

Bye, Pluto

At least give it the proper ceremony that it deserves... Pluto has done so much for us.

Fleas can jump up to 100 times their body length.
Portland was named by a coin flip. Had the coin landed the other way, the city would be known as Boston, Oregon.
Sharks "smell in stereo."
Your heart beats 100,000 times a day.