In zero gravity, a candle's flame is round and blue.
16
Scientists aren't sure what color dinosaurs were.
312
Most dust particles in your house are made from dead skin!
67
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Most dust particles in your house come from dead skin.
48
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
A cubic yard of air weighs about 2 pounds at sea level.
31