Indoor pollution is 10 times more toxic than outdoor pollution.
62
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
4.5 pounds of sunlight strike the Earth each day.
27
No matter how cold it gets, gasoline will not freeze.
107
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Cold water weighs more than hot water.
93