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A man caught coronavirus twice—and it was worse the second time

The news: A man in the US caught covid-19 for a second time in the space of just two months, according to a study published in The Lancet Infectious Diseases. That makes him the fifth person to have officially caught the coronavirus twice, after cases recorded in Hong Kong, Belgium, Ecuador, and the Netherlands (and […]

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Our midcentury climate goals require radical change today

Climate scientists have found that any scenario that prevents the planet from shooting past 1.5 ˚C of warming requires effectively eliminating greenhouse-gas emissions by around midcentury. But can that still be done after decades of delayed action on climate change? In its annual report released on Tuesday, the International Energy Agency (IEA) has taken a […]

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Why the “homework gap” is key to America’s digital divide

When the pandemic hit, parents scrambled to get enough devices to get their kids for online schooling. But even when they did, not everything went smoothly. Getting multiple people online for hours at a time in a home was one big obstacle; making sure entire communities were able to sign on was another. Jessica Rosenworcel, […]

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Inside Singapore’s huge bet on vertical farming

From the outside, VertiVegies looked like a handful of grubby shipping containers put side by side and drilled together. A couple of meters in height, they were propped up on a patch of concrete in one of Singapore’s nondescript suburbs. But once he was inside, Ankesh Shahra saw potential. Huge potential.  Shahra, who wears his […]