Balsa wood is classified as a hard wood!
41
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
The only letter not appearing on the Periodic Table is the letter "J".
180
Your brain is 80% water.
525
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
No matter how cold it gets, gasoline will not freeze.
107
One barrel of petroleum holds 42 gallons.
20
4.5 pounds of sunlight strike the Earth each day.
27