The sun is 330,330 times larger than the earth.
75
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Cold water weighs more than hot water.
93
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound travels about 4 times faster in water than in air.
408