Sound travels fifteen times faster through steel than through air.
134
Cold water weighs more than hot water.
93
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 cubic yard of air weighs about 2 pounds at sea level.
31
German chemists made a replica of a trophy the size of one molecule.
68
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Research indicates that plants grow healthier when they are stroked.
173
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108