One, Two, Three

It had been thought that North and South America were populated in one large migratory wave from Siberia, but a new study published in Nature shows that there were probably three waves of migrants who became the Native Americans of North and South America, says The New York Times' Nicholas Wade.

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The Atlantic reports that genetic counselors are coping with an influx of patients seeking advice on their direct-to-consumer genetic test results.

A small study finds differences between three genomic prostate cancer tests, Medscape reports.

In Nature this week: shared genetic architecture for asthma and allergic diseases, and more.

A survey of Canadians finds them to be divided on genetically modified food, the Ottawa Citizen reports.