The average temperature at 40,000 feet above sea level is -60 F.
56
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Cold water weighs more than hot water.
93
The only letter not appearing on the Periodic Table is the letter "J".
180
Sound at the right vibration can bore holes through a solid object.
134