Iron weighs more after it rusts.
16
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A cubic yard of air weighs about 2 pounds at sea level.
31
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