Sound travels about 4 times faster in water than in air.
408
Couples' personalities converge over time to make partners more and more similar.
235
There's a rare breed of pig that looks like a sheep.
14
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Sharks have been on the planet longer than trees.
14