The earth is approx. 6,588,000,000,000,000,000 tons.
175
One ragweed plant can release as many as one billion grains of pollen!
51
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The force of a suction cup is calculated using F=AP.
15
The bark of an older redwood tree is fireproof.
65
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The average home creates more pollution than does the average car.
33