A person can live without food for about a month, but only about a week without water.
156
Your thumb is about the same size as your nose.
124
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Poor eyesight (myopia) is associated with higher IQ.
232
Gorillas can catch human colds and other illnesses.
205
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A human being loses an average of 40 to 100 strands of hair a day.
133
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23