Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
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
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Nearly 50% of the world's scientists are assigned to military projects.
71
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Scientists in Germany have developed a candy that doesn't cause cavities.
11