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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The sun is 330,330 times larger than the earth.
75
The average temperature at 40,000 feet above sea level is -60 F.
56
Iron weighs more after it rusts.
68
The bark of an older redwood tree is fireproof.
65
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101