Sound travels fifteen times faster through steel than through air.
134
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Nearly 50% of the world's scientists are assigned to military projects.
71
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17