Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57
In zero gravity, a candle's flame is round and blue.
16
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16