Scientists in Canada have found that ketone supplements don't improve performance after all and could actually make it worse.
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Melting Ice Imperils 98 Percent of Emperor Penguin Colonies by 2100
With climate change threatening the sea ice habitat of Emperor penguins, the U.S. Fish and Wildlife Service on Tuesday announced a proposal to list the species as threatened under the Endangered Species Act.
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New York City will soon require proof of COVID-19 vaccinations for anyone who wants to dine indoors at a restaurant, see a performance or go to the gym, Mayor Bill de Blasio announced Tuesday.
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Sen. Lindsey Graham has tested positive for the coronavirus. The South Carolina Republican is the first senator to disclose a breakthrough infection after being vaccinated.
U.S. Employers Ratchet Up the Pressure on the Unvaccinated
A growing number of businesses are requiring their employees to get vaccinated against COVID-19, alarmed by the rise of the more contagious delta variant and frustrated that vaccination rates in the U.S. have plateaued.
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Formula E Races to a More Sustainable Future
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Study: Vaccinated People Can Carry as Much Virus as Others
Scientists who studied a big COVID-19 outbreak in Massachusetts concluded that vaccinated people who got so-called breakthrough infections carried about the same amount of the coronavirus as those who did not get the shots.
