In zero gravity, a candle's flame is round and blue.
16
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Iron weighs more after it rusts.
68
The average home creates more pollution than does the average car.
33
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17