The smell of freshly cut grass is actually a plant distress call.
31
The average home creates more pollution than does the average car.
33
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Sound at the right vibration can bore holes through a solid object.
134
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Most dust particles in your house come from dead skin.
48
Balsa wood is classified as a hard wood!
41
Each day, up to 150 species of life become extinct.
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