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There's Supposed to Be a Bug in the System

In the Journal of Biological Engineering, researchers report they have used E. coli to solve the burnt pancake problem. In the burnt pancake problem there is a stack of pancakes of differing sizes, each with a golden side and a burnt side, that needs to be arranged from largest on the bottom to smallest on the top, all with the golden side up -- in the fewest steps possible. In this instance, the researchers used DNA fragments inserted into the E. coli as the 'pancakes' to be flipped into the correct order.

 

The Scan

Another Resignation

According to the Wall Street Journal, a third advisory panel member has resigned following the US Food and Drug Administration's approval of an Alzheimer's disease drug.

Novavax Finds Its Vaccine Effective

Reuters reports Novavax's SARS-CoV-2 vaccine is more than 90 percent effective in preventing COVID-19.

Can't Be Used

The US Food and Drug Administration says millions of vaccine doses made at an embattled manufacturing facility cannot be used, the New York Times reports.

PLOS Papers on Frozen Shoulder GWAS, Epstein-Barr Effects on Immune Cell Epigenetics, More

In PLOS this week: genome-wide association study of frozen shoulder, epigenetic patterns of Epstein-Barr-infected B lymphocyte cells, and more.