Iron weighs more after it rusts.
16
One third of the electricity produced on earth is used to power electric light bulbs!
75
Scientists are now able to grow 'beating' heart tissue in a lab!
162
4.5 pounds of sunlight strike the Earth each day.
27
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
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
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17