Cold water weighs more than hot water.
93
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
For every gallon of sea water, you get more than a quarter pound of salt.
45
Iron weighs more after it rusts.
68
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Out of all the senses, smell is most closely linked to memory.
146