At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Nylon is made from coal and petroleum.
42
Sound travels about 4 times faster in water than in air.
408
One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65