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This article in the Economist reports on research indicating that there may be a genetic basis for optimism. Scientists at the University of Essex in Britain took DNA samples from about 100 people and then tested the subjects by showing them "photographs that may be positive, negative or neutral in tone" and measuring their response. "Sure enough, gene-related variation caused a bias in attention towards positive and negative material," the article says.

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IBM security researchers warn of a phishing campaign targeted at organizations involved in the distribution of SARS-CoV-2 vaccines, the Verge reports.

The Illinois police have cut the number of DNA tests waiting to be run in about half, CBS Chicago reports.

A researcher accused of smuggling research materials out of the US has pleaded guilty to making false statements, according to the Associated Press.

In Science this week: gene expression signature linked to nonalcoholic fatty liver disease progression, and more.