Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A ball of glass will bounce higher than a ball made of rubber.
73
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
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118