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New research found that wearing a cloth mask over a medical mask significantly boosts protection against droplets that can transmit the virus. Knotting the ear loops of surgical masks also helps.

The WHO issued interim guidance on usage of the AstraZeneca vaccine, after a small study found low efficacy against coronavirus variants.

New York Times reporter Nicole Perlroth says the U.S. went from having the world's strongest cyber arsenal to becoming most susceptible to attack. Her book is This is How They Tell Me The World Ends.

The team had stopped playing the anthem at the request of owner Mark Cuban, leading the NBA to reiterate that playing "The Star-Spangled Banner" is required under "longstanding league policy."

The company wants to resume drilling in the Chukchi Sea off northwestern Alaska; it broke off that effort in 2012 because of safety problems.

The Bush last name is one of the biggest stumbling blocks to Jeb Bush's becoming president. He says he is his own man, but over the weekend he said he would also have authorized the Iraq War.

The international pressure on Iran's nuclear program was one of the rare examples of global cooperation in the past year. On most issues, like the war in Syria, the global community came up short.

The notice to insurers comes after reports found many health plans weren't providing no-cost birth control for all prescription methods, a requirement under the Affordable Care Act.

The League of American Bicyclists' rankings also show that no American state scored higher than 67 points out of 100.

Video games will not save education and other misconceptions about where schools are headed.