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'Weed Out' the Diversity?

Science’s Jeffrey Mervis this week reports that the "time-honored practice of using introductory courses to weed out students seeking degrees in science and engineering hinders efforts to attract more women and minorities into those fields." Citing data from a survey conducted by the Bayer Foundation, in which "more than 400 chairs from the top-200 research universities and from minority-serving institutions responded to a series of questions on their attitudes toward underrepresented minorities," Mervis says 46 percent of respondents indicated that such courses generally hamper diversity. The foundation's Rebecca Lucore calls her team's results "eye-opening," telling Science that she and her colleagues "were shocked last year when many of the students said that [college] was where they were discouraged from going on in science."

The Scan

Gone, But Now Reconstructed SARS-CoV-2 Genomes

In a preprint, a researcher describes his recovery of viral sequences that had been removed from a common database.

Rare Heart Inflammation Warning

The Food and Drug Administration is adding a warning about links between a rare inflammatory heart condition and two SARS-CoV-2 vaccines, Reuters reports.

Sandwich Sampling

The New York Times sent tuna sandwiches for PCR analysis.

Nature Papers Describe Gut Viruses, New Format for Storing Quantitative Genomic Data, More

In Nature this week: catalog of DNA viruses of the human gut microbiome, new dense depth data dump format to store quantitative genomic data, and more.