An energy expert explains why Japan—along with much of the rest of the world—is committing to the clean-burning fuel
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Mutations that make a virus more transmissible are only part of the equation
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Infections in vaccinated Americans are rare, compared with those in unvaccinated people, the document said. But when they occur, vaccinated people may spread the virus just as easily.
The president said those refusing to get a coronavirus shot should expect inconveniences as long as they decline a vaccine.
The C.D.C.’s new masking advice was based in part on data showing that the virus can thrive in the airways of vaccinated people. The findings are expected on Friday.
He was most known for his Bobo doll experiment, in which children mimicked adults in attacking an inflatable doll. The work challenged basic tenets of psychology.
Boosters may not be necessary yet, many experts say, and the pursuit of additional shots raises ethical questions.
Utilities are fighting to keep the lights on amid extreme wildfires, heat and flooding fueled by global warming.
The human toll of carbon emissions will vastly magnify climate change’s economic costs
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