Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Aluminum used to be more valuable than gold!
84
The average temperature at 40,000 feet above sea level is -60 F.
56
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
One 75-watt bulb gives more light than three 25-watt bulbs.
57
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Indoor pollution is 10 times more toxic than outdoor pollution.
62