A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
4.5 pounds of sunlight strike the Earth each day.
27
One barrel of petroleum holds 42 gallons.
20
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Iron weighs more after it rusts.
68