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Boston University's Catherine Klapperich has designed an electricity-free device that purifies DNA — all it takes to run is a bicycle pump. According to MIT's Technology Review, the device, called SNAP, "extracts genetic material from blood and other bodily fluids by pumping fluid through a polymer-lined straw designed to trap DNA." That straw, then, can be sent to a lab for testing.

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Novavax has begun a phase III trial of its SARS-CoV-2 vaccine, according to the New York Times.

Vox reports that the Trump Administration may limit student visas for individuals from some countries to two years.

The governor of New York says the state will conduct its own review of any SARS-CoV-2 vaccine, NPR reports.

This week in Science: Neanderthal Y chromosomes replaced by Homo sapiens Y chromosomes, and more.