The only letter not appearing on the Periodic Table is the letter "J".
180
The force of a suction cup is calculated using F=AP.
15
Cold water weighs more than hot water.
93
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Nearly 50% of the world's scientists are assigned to military projects.
71
Indoor pollution is 10 times more toxic than outdoor pollution.
62