The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound travels fifteen times faster through steel than through air.
134
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One cubic foot of gold weighs more than 1,200 pounds!
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