NEW YORK (GenomeWeb News) – At least three historical migrations from Asia introduced the ancestors of Native Americans to the Americas, according to a new study in Nature, though migrants from the first of these waves made the most pronounced genetic contributions to present-day Native American populations.

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In PNAS this week: epigenetic changes linked with high-altitude pulmonary edema, transcriptome profiling of maize leaf development, and more.

Stanford University researchers are studying top athletes to uncover genes linked to performance.

The UW's Wylie Burke and Dartmouth's Gilbert Welch argue that whole-genome testing may do more harm than good, and a related poll.

In PLOS this week: phylogenetic study of hepatitis E viruses in Swedish moose, recombination sites in the honeybee genome, and more.