The smell of freshly cut grass is actually a plant distress call.
31
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Each day, up to 150 species of life become extinct.
-23
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
Sound travels about 4 times faster in water than in air.
408
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55