Sound travels fifteen times faster through steel than through air.
134
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Most dust particles in your house are made from dead skin!
67
Pure water (H2O) does not conduct electricity on its own.
46
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Iron weighs more after it rusts.
16
Iron weighs more after it rusts.
68