4.5 pounds of sunlight strike the Earth each day.
27
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
In zero gravity, a candle's flame is round and blue.
16
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Scientists aren't sure what color dinosaurs were.
312
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71