When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
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
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Billions of neutrinos pass unnoticed through your body every second.
6
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Nearly 50% of the world's scientists are assigned to military projects.
71
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89