4.5 pounds of sunlight strike the Earth each day.
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Most dust particles in your house are made from dead skin!
67
Aluminum used to be more valuable than gold!
84
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
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
A cesium atom in an atomic clock beats over nine billion times a second.
43
Out of all the senses, smell is most closely linked to memory.
146
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9