Microbiologist Rosie Redfield explains why she, and other researchers, are critical of the ostensible discovery of arsenic-loving bacteria in California's Lake Mono. This is a nice, technical explanation, which digs into some flaws in the research methodology. Short story: We know the now semi-infamous paper isn't about alien life. But Redfield says it doesn't show solid evidence of bacteria incorporating arsenic into their DNA, either.
Microbiologist turns a skeptical eye on Mono Lake arsenic eaters
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