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Roots or Wings?

Over at Benchfly, Alan Marnett contemplates whether a PhD is better off taking a postdoc position in his or her graduate lab or moving to train elsewhere. "Do we stay in the same field? Should we consider working for a competitor?" he asks. When deciding where to take on a postdoc, Marnett says it's best to create a comprehensive list of potential labs. Having been advised to both stay and go — people have told him "'it's not where you perform your postdoc, but what you accomplish in it that matters' to 'you need to go to a lab on the opposite coast so that you’ve experienced both east- and west-coast research.'" Marnett says that, in the end, "there may not be a single right answer." At present, 85 percent of respondents to Marnett's poll on this issue say it's best to "move on to a new environment."

The Scan

Fertility Fraud Found

Consumer genetic testing has uncovered cases of fertility fraud that are leading to lawsuits, according to USA Today.

Ties Between Vigorous Exercise, ALS in Genetically At-Risk People

Regular strenuous exercise could contribute to motor neuron disease development among those already at genetic risk, Sky News reports.

Test Warning

The Guardian writes that the US regulators have warned against using a rapid COVID-19 test that is a key part of mass testing in the UK.

Science Papers Examine Feedback Mechanism Affecting Xist, Continuous Health Monitoring for Precision Medicine

In Science this week: analysis of cis confinement of the X-inactive specific transcript, and more.