A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The bark of an older redwood tree is fireproof.
65
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
In zero gravity, a candle's flame is round and blue.
16
The force of a suction cup is calculated using F=AP.
15
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114