Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Aluminum used to be more valuable than gold!
84
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199