Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
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
Most dust particles in your house are made from dead skin!
67
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Nearly 50% of the world's scientists are assigned to military projects.
71
The force of a suction cup is calculated using F=AP.
15
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0