Diamonds can be shattered with a hammer.
-104
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The only letter not appearing on the Periodic Table is the letter "J".
180
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17