A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Iron weighs more after it rusts.
68
Most dust particles in your house are made from dead skin!
67
Out of all the senses, smell is most closely linked to memory.
146
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
Sound at the right vibration can bore holes through a solid object.
134