Choose Wisely

A PhD topic is like a relationship, so you need to take care when deciding on one, writes Cindy Duarte Castelão at Bitesize Bio.

And it's going to take a lot of your time and energy. "Think about what you really, really want to do," she says. "Don't get yourself into a four-year relationship if you don't see a future in it."

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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.