Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
Human hair and fingernails continue to grow after death.
7
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266