Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The human sigh acts as a physiological reset button.
23
On average, there's 100 billion neurons in the human brain.
83
A human being loses an average of 40 to 100 strands of hair a day.
133
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
On average a woman has 4 sexual partners in her lifetime.
-143
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
All 13 minerals necessary for human life can be found in alcohol beverages.
282