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Artificial Sweetner, Artificial Genomes, What's the Big Deal?

Three Quarks Daily links out to another blog that says the making an artificial genome won't lead to changes, that the "philosophical implications of constructing an artificial genome are overblown." Instead, blogger Rob Carlson says that Craig Venter's work is, of course, interesting, but it will hardly lead to dramatic changes in how people view the natural world. "Venter and crew have managed to chemically synthesize a long polymer, a polymer biologically indistinguishable from naturally occurring DNA; so what?" he writes.

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.