The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The smell of freshly cut grass is actually a plant distress call.
31
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The storage capacity of human brain exceeds 4 Terrabytes.
140
Iron weighs more after it rusts.
68
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
One third of the electricity produced on earth is used to power electric light bulbs!
75