Scientists aren't sure what color dinosaurs were.
312
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
According to studies, men change their minds two to three times more often than women.
72
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39