Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
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.
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