Point-of-care COVID-19 testing instrument Credit: Quidel

Rapid Tests

Researchers are developing a smorgasbord of tests to detect the virus that causes COVID-19.

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Photo of white-throated sparrow Credit: Scott M. Ramsay

Sparrow Tune

A variation on the white-throated sparrow’s song spread 3,300 kilometers in just a few decades.

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Illustration of flying cars over city skyline Credit: Lillian Gipson/NASA

Flying Cars

Imagine a world where instead of inching through gridlocked traffic to get to work, you ease back in your seat while your self-piloted flying car handles everything.

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