Science

What’s Going on With the Testing Requirement for Travel?

As countries, including Canada and Britain, have lifted their Covid testing requirements for vaccinated visitors in recent months, some Americans are irate that they still have to show a negative test to board a flight back to the United States. Jason Miller, a 37-year-old software engineer who lives in Texas, is so frustrated with the …

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Since You’re Already Getting a Flu Shot, Why Not One for Covid, Too?

As the coronavirus morphs into a stubborn and unpredictable facet of everyday life, scientists and federal health officials are converging on a new strategy for immunizing Americans: a vaccination campaign this fall, perhaps with doses that are finely tuned to combat the version of the virus expected. to be in circulation. The plan would borrow …

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Elephants in Mourning Spotted on YouTube by Scientists

It was 2013 when Sanjeeta Pokharel first witnessed Asian elephants responding to death. An older female elephant in an Indian park had died of an infection. A younger female was walking in circles around the carcass. Fresh dung piles hinted that other elephants had recently visited. “That is where we got curious,” said Dr. Pokharel, …

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