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Dreamless?

At his blog, Paul Knoepfler says that he sometimes lets himself dream big as a scientist. "The truth is that having a big-time, perhaps way 'out there' goal or even dream is important for both scientists and Science," he writes at the appropriately named blog, Confessions of a Stem Cell Scientist. Knoepfler notes that while those dreams may not come true tomorrow, but that those ideas serve as a starting point to get to that tomorrow. "When science has had its biggest impact it has been through achieving what pretty much everyone said was impossible," he says.

In the video clip below from Real Time with Bill Maher, astrophysicist Neil deGrasse Tyson worries that people, particularly politicians, have stopped dreaming. (HT: PZ Myers at Pharyngula)

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.