Iron weighs more after it rusts.
16
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Sound travels fifteen times faster through steel than through air.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
One barrel of petroleum holds 42 gallons.
20
Indoor pollution is 10 times more toxic than outdoor pollution.
62