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The Extra-Early Edition

In this month's issue of the Journal of Mass Spectrometry, John F. J. Todd and colleagues describe the development of an ion trap for a miniature GC/MS system for space. The system is designed for isotope ratio analysis that will be conducted over the course of the European Space Agency's Rosetta mission to launch a probe to study a comet's nucleus. According to the ESA web site, the Rosetta spacecraft -- "on which all subsystems and payload equipment are mounted" -- is scheduled to meet up with the Churyumov-Gerasimenko comet in May 2014.

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.