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
A human being loses an average of 40 to 100 strands of hair a day.
133
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
A man's beard grows fastest when he anticipates sex.
239
Only humans shed emotional tears.
331
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Our Right Lungs takes more air than our left lung.
194