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
For every gallon of sea water, you get more than a quarter pound of salt.
45
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Sound travels about 4 times faster in water than in air.
408
Hot water can freeze faster than cold water.
181
The storage capacity of human brain exceeds 4 Terrabytes.
140
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average temperature at 40,000 feet above sea level is -60 F.
56