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 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 smell of freshly cut grass is actually a plant distress call.
31
The bark of an older redwood tree is fireproof.
65
The force of a suction cup is calculated using F=AP.
15
In zero gravity, a candle's flame is round and blue.
16
Cold water weighs more than hot water.
93