Your brain is 80% water.
525
Cold water weighs more than hot water.
93
A ball of glass will bounce higher than a ball made of rubber.
73
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Most dust particles in your house are made from dead skin!
67
If the chemical sodium is dropped into water it will immediately and violently explode.
67
According to studies, men change their minds two to three times more often than women.
72