4.5 pounds of sunlight strike the Earth each day.
27
Cold water weighs more than hot water.
93
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Nearly 50% of the world's scientists are assigned to military projects.
71
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One cubic foot of gold weighs more than 1,200 pounds!
78
