Nearly 50% of the world's scientists are assigned to military projects.
71
4.5 pounds of sunlight strike the Earth each day.
27
A cubic yard of air weighs about 2 pounds at sea level.
31
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
Iron weighs more after it rusts.
16
Diamonds can be shattered with a hammer.
-104
Sound travels fifteen times faster through steel than through air.
134