Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Your thumb is about the same size as your nose.
124
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Your body is creating and killing about 2.4 million red blood cells per second.
17
The largest breed of rabbit is the Flemish Giant.
65
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165