Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
One third of the electricity produced on earth is used to power electric light bulbs!
75
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
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
The bark of an older redwood tree is fireproof.
65
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Nylon is made from coal and petroleum.
42