Credit: Javier Trueba, Madrid Scientific Films
After an ominous three-week silence that turned out to have a lot to do with holidays and nothing to do with omens, Tabitha M. Powledge and On Science Blogs are back, pointing us to news of ancient human DNA–the oldest yet–and fertility drugs, which, you might say, are associated with the newest DNA.
She links to good reporting on the ancient DNA by Carl Zimmer, Ed Yong, and John Hawks, "the oracle on this topic."
With regard to that new DNA, she finds coverage that suggests in vitro fertilization is not the primary culprit in multiple births. Jump over to OSB to see what is, by way of Nancy Shute at NPR's Shots blog.
-Paul Raeburn
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