Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Billions of neutrinos pass unnoticed through your body every second.
6
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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
Research indicates that plants grow healthier when they are stroked.
173
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13