Summer in 2105 Will Be Much Hotter

A study conducted by scientists in the U.S. and Italy warns that summers could be a lot hotter in a hundred years because of global warming caused by greenhouse gases..........

National Geographic News

Early Oceans Too Toxic For Advanced Life Forms

NASA exobiology researchers confirmed Earth's oceans were once rich in sulfides that would prevent advanced life forms, such as fish and mammals, from thriving. The research was funded in part by NASA's exobiology program..........

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