In zero gravity, a candle's flame is round and blue.
16
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
The only letter not appearing on the Periodic Table is the letter "J".
180