The world's shortest man measures only 21.5 inches.
73
By weight, Bone is five times stronger than steel.
417
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human brain has the capacity to store everything that you experience.
4k
Gorillas can catch human colds and other illnesses.
205
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Your thumb is about the same size as your nose.
124