Our brains have a negativity bias and will remember bad memories more than good ones.
15
Every human spent about half an hour as a single cell.
144
Your thumb is about the same size as your nose.
124
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
