First things first, it's your first day of graduate school, so get yourself a set of keys to the lab and a new lab coat, writes Norma Browne at Bitesize Bio. Then, she says, check out where the Wi-Fi hotspots are, claim a coffee mug, and introduce yourself around the lab.

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The Seattle Times writes that pharmacogenomics testing can help choose medications that may work best for people with depression.

Researchers report that deleting one gene from butterflies affects their wing coloration patterns, according to the Washington Post.

In PNAS this week: genome sequencing of weevil symbionts, retinoid X receptor deletion in lung cancer metastasis, and more.

Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.