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
Hot water can freeze faster than cold water.
181
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
One 75-watt bulb gives more light than three 25-watt bulbs.
57
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
