Sound travels about 4 times faster in water than in air.
408
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
One third of the electricity produced on earth is used to power electric light bulbs!
75
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
The left ear is more responsive to words of love and emotion whispered into it than the right.
40