This week in science

NASA's X-57 and beyond: Understand the world in 9 images

Updated: March 5, 2021

Originally Published: March 4, 2021

Between February 25 and March 3, scientists solved a vexing Covid-19 mystery, peered into the past, and explored the future of flight.

Here are 9 incredible images that illustrate the most important science stories of the week.

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