Sound travels fifteen times faster through steel than through air.
134
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A cesium atom in an atomic clock beats over nine billion times a second.
43
Out of all the senses, smell is most closely linked to memory.
146
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Nylon is made from coal and petroleum.
42