This Week in Nature

In Nature this week, an international team of researchers present data showing that more than 100 common genetic variants determine the age at which a woman experiences her first menstrual cycle. The age of menarche is heritable and associated with risks for disorders ranging from obesity to breast cancer. To better understand the genetic basis for this, the scientists searched for genes associated with the age of onset of menarche in up to 182,416 women of European descent.

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In PNAS this week: The sea anemone is sequenced, a team describes a CRISPR/Cas9-based approach to label specific sites in the genome, and more. 

In a short video, CNN introduces viewers to a fecal transplant poop donor and explains how the treatments are made.

Researchers are testing the use of transgenically altered diamondback moths as an alternative to pesticides in controlling the bugs.

Two recent papers published in Science and Nature Medicine describe work that may result in a universal vaccine for the flu.