The force of a suction cup is calculated using F=AP.
15
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75