One barrel of petroleum holds 42 gallons.
20
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Nylon is made from coal and petroleum.
42
A cubic yard of air weighs about 2 pounds at sea level.
31
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Sound travels about 4 times faster in water than in air.
408