Pumice is the only rock that floats on water.
14
Nearly 50% of the world's scientists are assigned to military projects.
71
A cesium atom in an atomic clock beats over nine billion times a second.
43
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Billions of neutrinos pass unnoticed through your body every second.
6
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A 'jiffy' is an actual unit of time for 1/100th of a second!
66