This Week in Science

In this week's Science, two research groups publish separate reports indicating that most recent common male ancestor of Homo sapiens can be traced back to around the same time as the most recent common female ancestor. These findings contradict previous reports that the so-called mitochondrial "Eve" appeared long before the most recent male ancestor, Y-chromosome "Adam."

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What happens to scientific papers when certain journals are no longer published? Some scientists are trying to make sure they don't disappear forever.

A study in Microbiome finds that heavy drinkers have an unhealthy mix of bacteria in their mouths.

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