Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The force of a suction cup is calculated using F=AP.
15
Iron weighs more after it rusts.
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16