Iron weighs more after it rusts.
16
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13