One ragweed plant can release as many as one billion grains of pollen!
51
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Nylon is made from coal and petroleum.
42
The smell of freshly cut grass is actually a plant distress call.
31