This Week in Nature

In this week's issue of Nature, a UK research team reports that they have identified large, rare chromosomal copy number changes linked to early obesity. In a group of 300 Caucasian individuals with early onset obesity, including 143 with developmental delays, the researchers found recurrent, rare deletions of various sizes affecting a chromosome 16 region called 16p11.2 — previously tied to conditions such as autism and mental retardation.

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CNBC reports that Amazon invested in the startup Grail as it sees an opportunity for its cloud computing company in genomics.

Lawrence Krauss writes at Slate that science is needed for good public policy and should not be ignored.

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