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
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One 75-watt bulb gives more light than three 25-watt bulbs.
57
A ball of glass will bounce higher than a ball made of rubber.
73
Nearly 50% of the world's scientists are assigned to military projects.
71
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39