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In this week’s Science, researchers at the Autonomous National University of Mexico created modified Bt toxins that could kill Bt-resistant insects. Their work, which involved deleting one alpha-helix from Bt toxin Cry1Ab, showed that cadherin deletion mutations in pests confers resistance to Bt toxin, and that engineered Bt toxins can overcome this resistance.

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Los Angeles brought and settled a civil enforcement action against the makers of an at-home test for SARS-CoV-2, NPR reports. 

The Guardian reports that Cancer Research UK is cutting its research funding by £44 million.

Technology Review examines factors affecting SARS-CoV-2 testing turnaround times.

In PNAS this week: mapping of ancient human migrations in Europe, recurrent gene fusion in breast cancer, and more.