Pumice is the only rock that floats on water.
14
Sound travels fifteen times faster through steel than through air.
134
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
4.5 pounds of sunlight strike the Earth each day.
27
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The sun is 330,330 times larger than the earth.
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9