The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Billions of neutrinos pass unnoticed through your body every second.
6
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
For every gallon of sea water, you get more than a quarter pound of salt.
45
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21