It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The human brain has the capacity to store everything that you experience.
4k
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
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
On average a woman has 4 sexual partners in her lifetime.
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