The average temperature at 40,000 feet above sea level is -60 F.
56
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A cubic yard of air weighs about 2 pounds at sea level.
31
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
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
Most dust particles in your house come from dead skin.
48
The sun is 330,330 times larger than the earth.
75