The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists in Germany have developed a candy that doesn't cause cavities.
11
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Iron weighs more after it rusts.
68
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
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17