apr 062013
The Power Behind Primordial Soup Discovered

  Researchers at the University of Leeds may have solved a key puzzle about how objects from space could have kindled life on Earth. An artists impression of a meteorite landing in a hot, acidic pool of liquids. Image Credit: James McKay 2013 (www.jamesmckay.info) While it is generally accepted that some important ingredients for life came from [continue reading]

jul 142012
"Arsenic Life" Needs Phosphorus After All

  Two new reports detailed online in the journal Science show that the bacterium known as GFAJ-1 requires small amounts of phosphate to grow — and that it cannot substitute arsenic for phosphorus to survive, as one previous report had suggested. The GFAJ-1 bacterium. Image credit: Science/AAAS The GFAJ-1 bacterium, found in the arsenic-rich sediments of California’s [continue reading]