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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The bark of an older redwood tree is fireproof.
65
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The only letter not appearing on the Periodic Table is the letter "J".
180
According to studies, men change their minds two to three times more often than women.
72