The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One barrel of petroleum holds 42 gallons.
20
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
A cubic yard of air weighs about 2 pounds at sea level.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
