Sperm whales' doo-doo keeps their carbon footprint in check

Every year, the average sperm whale poops out 50 metric tons of iron, an amount equal to 30.3 2009 Hyundai Accents. These ferrous feces nourish phytoplankton at the ocean's surface, which in turn absorb CO2 for photosynthesis. » 6/16/10 6:53am 6/16/10 6:53am

Superbugs to Make Power from Poo

Quick intro to the hydrogen-economy paradox: The stuff could save our oil-addled asses, but curses! We have to burn oil to make the stuff. Enter researchers from Penn State, who have announced that they can use specially bred bacteria to make the most plentiful element in the universe from... Well, let's allow FOXNews… » 11/16/07 9:00am 11/16/07 9:00am