Key ingredient in mass extinctions could boost food, biofuel production
Wednesday, April 17, 2013 - 16:00
in Paleontology & Archaeology
Hydrogen sulfide, the pungent stuff often referred to as sewer gas, is a deadly substance implicated in several mass extinctions, including one at the end of the Permian period 251 million years ago that wiped out more than three-quarters of all species on Earth.