The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
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 gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
One cubic foot of gold weighs more than 1,200 pounds!
78