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Earth Survived in the Past--Will It Again?

Life on earth may have survived a global freeze that occurred 700 million years ago. Researchers have found evidence in Australia that tiny microorganisms lived despite fierce cold and turbulent seas (so maybe we'll survive too?) turbulent seas still raged during the period, where micro-organisms may have clung on for life, despite the fact that most life perished. In other words, it was a Superstorm!

The researchers have found deposits in South Australia which show the unmistakable mark of turbulent oceans, and say these sediments were laid down during one of the two great ice ages of that period. In BBC News, Neil Bowdler quotes researcher Dan Le Heron as saying, "For the first time, we have very clear evidence that storms were affecting the sea floor. That means we have to have pockets or oases within this Snowball Earth that are free of ice."

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