Science

But the new guidelines released Thursday recommend that local officials consider closing or keeping schools closed if there is substantial and uncontrolled transmission of the virus. The CDC has been promising new guidelines for more than a week, following President Donald Trump’s demands that the agency alter its recommendations to …

According to a new analysis, the cost of preventing more pandemics in the next decade by protecting wildlife and forests would amount to only 2% of the estimated financial damage caused by Covid-19. The researchers said two new viruses a year had spilled from their wildlife hosts to humans over …

He told Reid that he had gone through a “two-hour investigative report” on “about four candidates,” adding: “Then when I’m done examining all the candidates, I’ll narrow the list down and then we’ll see. And then I’ll have personal discussions with each of the remaining candidates and make a decision.” …

When a coronavirus vaccine is available, who should receive it first? A preliminary plan designed by the Centers for Disease Control and Prevention this spring prioritizes healthcare workers, then people with underlying medical conditions and seniors. The CDC has not yet decided whether the next in line should be black …

Just below the frozen Antarctic ice shelves, the researchers discovered a gas leak that could change the region’s climate fate. For the first time, scientists have detected an active leakage of methane gas, a greenhouse gases with 25 times more potential for global warming than carbon dioxide, in Antarctic waters. …