Daily Archives: June 1, 2011

  • The Countdown: 6/2/2011

    As promised, more from the pages of Nature tonight. 3… For decades, scientists have attempted to solve the “faint young sun paradox” by proposing higher concentrations of greenhouse gases, specifically carbon dioxide and methane. But a paper last April claimed this wasn’t the case, and that carbon dioxide concentrations were no higher than modern-day values. The