Iron weighs more after it rusts.
68
The force of a suction cup is calculated using F=AP.
15
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Balsa wood is classified as a hard wood!
41
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
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