One cubic foot of gold weighs more than 1,200 pounds!
78
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
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
The earth is approx. 6,588,000,000,000,000,000 tons.
175
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
A cubic yard of air weighs about 2 pounds at sea level.
31
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Hot water can freeze faster than cold water.
181