One 75-watt bulb gives more light than three 25-watt bulbs.
57
The earth is approx. 6,588,000,000,000,000,000 tons.
175
German chemists made a replica of a trophy the size of one molecule.
68
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Pumice is the only rock that floats on water.
14
