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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human brain doesn't stop developing until about 25 years old.
102
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Yawns are more contagious among people with closer relationships.
163
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307