Posted in Technology

Did a Woman Get Coronavirus Twice? Scientists Are Skeptical

News reports claim that a Japanese patient was reinfected with Covid-19. But there are other possibilities, like a bad test or a flare-up of the original disease.

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Think Ride Sharing Is Good for the Planet? Not So Fast

Despite hopes that ride hailing would ease traffic and reduce carbon emissions, a new study finds that it’s actually driving them upward.

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Space Photos of the Week: Venus Is the Spacecraft-Killer

One of NASA’s proposed missions would send a spacecraft to Venus on a suicide mission in order to study its atmosphere.

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Science Has a New Way to Gauge the Universe’s Expansion Rate

Cosmologists want to know how fast the universe is growing, but their data doesn’t match predictions. Wendy Freedman thinks red giant stars can help.

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US Coronavirus Prep, a Fatal Tesla Crash Ruling, and More News

Catch up on the most important news from today in two minutes or less.

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The US Has Its First ‘Community Spread’ Coronavirus Case

The patient was admitted to UC Davis Medical Center on February 19 but not diagnosed until the 23rd—raising concerns about testing capabilities and health care workers’ exposure to the disease.

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GOES Extreme Weather–Tracking Satellites Get Ready for Launch

A new array of sats will detect nearly every bolt of lightning in the Western Hemisphere, powering an early warning system for climate-change-fueled superstorms.

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Smithsonian Open Access Puts 2.8 Million Images in the Public Domain

The archive includes hi-res images of Muhammad Ali’s boxing gear, 15th-century manuscripts, and data that could help surface untold stories of women in science.

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So, Amphibians Glow. Humans Just Couldn’t See It—Until Now

Bathe an amphibian in blue light and it glows a brilliant green. But what does this all mean?

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Recycled Nuclear Waste Will Power a New Reactor

Last week, the Department of Energy gave a commercial company the green light to test fuel made from spent uranium.

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