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
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Pure water (H2O) does not conduct electricity on its own.
46
Sound travels about 4 times faster in water than in air.
408
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Nearly 50% of the world's scientists are assigned to military projects.
71