What keeps the Earth cooking? @BreakingScience

>> What keeps the Earth cooking? << http://t.co/7adUty4 via @BreakingScience

http://www.physorg.com/

physorg — What spreads the sea floors and moves the continents? What melts iron in the outer core and enables the Earth's magnetic field? Heat. Geologists have used temperature measurements from more than 20,000 boreholes around the world to estimate that some 44 terawatts (44 trillion watts) of heat continually flow from...

READ MORE: http://t.co/7adUty4 via @BreakingScience