Daily Archives: May 31, 2011

  • The Countdown: 6/1/2011

    Lots of must-read stuff in today’s issue of Nature Geoscience, including a correspondence on “Biogenicity of Apex Chert microfossils. 3… There’s also a letter on the origins of Titan’s atmosphere, in which the authors claim the source of N2 in the impacts. They make these claims based on impact simulations that show NH4 could have been