Scan barcode
A review by thecesspit
Analog Science Fiction and Fact, 2013 March by Stanley Schmidt, Marissa Lingen, Bud Sparhawk, Bill Pronzini, Harry Turtledove, Sean McMullen, Kevin Walsh, Barry N. Malzberg, Don D'Ammassa, Phoebe Barton, Bond Elam
4.0
Really good science article on planetary oxygen, with a good stories.