Scientists aren't sure what color dinosaurs were.
312
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The bark of an older redwood tree is fireproof.
65
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Billions of neutrinos pass unnoticed through your body every second.
6
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9