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$1-million gift for new Korea Foundation Professorship
Published: 18 Dec 2012
Mining ancient ores for clues to early life
An analysis of sulfide ore deposits from one of the world鈥檚 richest base-metal mines confirms that oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were actively feeding on sulfate in the ocean and influencing seawater chemistry during that geological time period.
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Published: 10 Dec 2012
