A ball of glass will bounce higher than a ball made of rubber.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
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
For every gallon of sea water, you get more than a quarter pound of salt.
45
Cold water weighs more than hot water.
93
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
Aluminum used to be more valuable than gold!
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