Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Hot water can freeze faster than cold water.
181
The force of a suction cup is calculated using F=AP.
15
Scientists are now able to grow 'beating' heart tissue in a lab!
162
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
One barrel of petroleum holds 42 gallons.
20
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