Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The bark of an older redwood tree is fireproof.
65
Research indicates that plants grow healthier when they are stroked.
173
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Most dust particles in your house come from dead skin.
48
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0