Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Sound at the right vibration can bore holes through a solid object.
134
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Cold water weighs more than hot water.
93
No matter how cold it gets, gasoline will not freeze.
107
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21