Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Scientists aren't sure what color dinosaurs were.
312
In zero gravity, a candle's flame is round and blue.
16
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71