Babies crawl an average of 200m a day.
212
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
The human sigh acts as a physiological reset button.
23
Enamel is hardest substance in the human body.
61
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
The human brain has the capacity to store everything that you experience.
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