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中山内痔医院比较好
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发布时间: 2025-05-25 02:08:57北京青年报社官方账号
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  中山内痔医院比较好   

WASHINGTON (AP) — Winter hit U.S. honeybees hard with the highest loss rate yet, an annual survey of beekeepers showed.The annual nationwide survey by the Bee Informed Partnership found 37.7% of honeybee colonies died this past winter, nearly 9 percentage points higher than the average winter loss.The survey of nearly 4,700 beekeepers managing more than 300,000 colonies goes back 13 years and is conducted by bee experts at the University of Maryland, Auburn University and several other colleges.Beekeepers had been seeing fewer winter colony losses in recent years until now, said Maryland's Dennis vanEngelsdorp, president of the bee partnership and co-author of Wednesday's survey."The fact that we suddenly had the worst winter we've had ... is troubling," vanEngelsdorp said.Some bees usually die over winter, but until the past couple decades, when a combination of problems struck colonies, losses rarely exceeded 10%, he said.Bees pollinate billion worth of U.S. food crops. One-third of the human diet comes from pollinators, including native wild bees and other animals, many of which are also in trouble, according to the U.S. Department of Agriculture."We should be concerned on multiple levels," said University of California, Berkeley, agricultural social scientist Jennie Durant, who has a separate study this week on loss of food supply for bees.Year-to-year bee colony losses, which include calculations for summer, were 40.7%, higher than normal, but not a record high, the survey found."The beekeepers are working harder than ever to manage colonies but we still lose 40-50% each year... unacceptable," Swiss bee expert Jeff Pettis, who wasn't part of the survey, said in an email.For more than a decade, bees have been in trouble with scientists blaming mites, diseases, pesticides and loss of food.This past winter's steep drop seems heavily connected to the mites, vanEngelsdorp said. Beekeepers report that chemicals that kill mites don't seem to be working quite as well and mite infestation is worsening, he said. Those mites feed on the bees' fats and that's where the insects store protein and center their immune response.Durant's study in this week's journal Land Use Policy found that changes in food supply in the Midwest's Prairie Pothole Region, a hot spot for honeybee colonies, has been a major factor in losses. That area has lost wetland areas with clover bees feed on.Other areas have been converted to corn and soy crops, which don't feed bees, she said.As bad as the survey numbers are, vanEngelsdorp said, "We're not really worried about honeybees going extinct... I'm more worried that the commercial beekeepers will go out of business." 2695

  中山内痔医院比较好   

WASHINGTON (AP) — Social Security recipients will get a modest 1.3% cost-of living-increase in 2021, but that might be small comfort amid worries about the coronavirus pandemic and its consequences for older people. Government estimates released Tuesday show the increase amounts to a month for the average retired worker. The estimated average Social Security payment for a retired worker would be ,543 a month. The cost-of-living adjustment, or COLA, affects the personal finances of about 1 in 5 Americans. The economic fallout from the virus reduced tax collections for Social Security and Medicare. But there's been no real discussion of either program in the election contest between President Donald Trump and Joe Biden. 741

  中山内痔医院比较好   

WASHINGTON (AP) — The Trump administration Tuesday banned bump stocks, the firearm attachments that allow semi-automatic weapons to fire like machine guns and were used during the worst mass shooting in modern U.S. history. The regulation gives gun owners until late March to turn in or destroy the devices. After that, it will be illegal to possess them under the same federal laws that prohibit machine guns.Bump stocks became a focal point of the gun control debate after they were used in October 2017 when a man opened fire from his Las Vegas hotel suite into a crowd at a country music concert, killing 58 people and injuring hundreds more.The regulation was signed Tuesday by Acting Attorney General Matthew Whitaker. It will take effect 90 days after it is published in the Federal Register, which is expected to happen Friday.Bump stock owners will be required to either destroy them or surrender them to the Bureau of Alcohol, Tobacco, Firearms and Explosives, a senior Justice Department official said. It is impossible to know just how many bump stocks Americans own because the devices aren't traceable, but ATF has estimated that between 280,000 and about 520,000 have been sold since 2010.Investigators expect most owners will comply with the new rule and ATF will take action against those who don't, the official said. But there's no surefire way to know whether owners are complying. The official briefed reporters on condition of anonymity.White House Press Secretary Sarah Huckabee Sanders said President Donald Trump was "once again fulfilling a promise he made to the American people." Trump had promised the ban in March, saying the devices "turn legal weapons into illegal machines."Shortly afterward, the Justice Department started the process of amending firearms regulations to define bump stocks as machine guns. ATF received about 186,000 comments on the proposal.The amended regulations reverse a 2010 ATF decision that found bump stocks did not amount to machine guns and could not be regulated unless Congress changed existing firearms law or passed a new one. In the aftermath of the Las Vegas shooting, some members of Congress sought to ban bump stocks, but no legislation was passed. At least 10 states have sought their own restrictions.The amended rule was met almost immediately with resistance from gun rights advocates, including Gun Owners of America, which said it would file a lawsuit against the Justice Department and ATF to protect gun owners from "unconstitutional regulations.""These regulations implicate Second Amendment rights, and courts should be highly suspect when an agency changes its 'interpretation' of a statute in order to impair the exercise of enumerated constitutional rights," the organization's executive director, Erich Pratt, said.The Justice Department official said the government will fight any legal challenge that may be broughtThe National Rifle Association called on the Justice Department to provide amnesty for gun owners who already have bump stocks."We are disappointed that this final rule fails to address the thousands of law-abiding Americans who relied on prior ATF determinations when lawfully acquiring these devices," said spokeswoman Jennifer Baker.Police said the gunman in the Las Vegas massacre, Stephen Paddock, fired for more than 10 minutes using multiple weapons outfitted with target scopes and bump stocks. Paddock fatally shot himself after the shooting. There were 23 assault-style weapons, including 14 fitted with rapid-fire "bump stock" devices, strewn about his 32nd-floor hotel suite at the Mandalay Bay casino-hotel.The largest manufacturer of bump stocks, Slide Fire Solutions, announced in April that it would stop taking orders and shut down its website. The remaining stock of the devices is now being sold by another company, RW Arms, based in Fort Worth, Texas. 3881

  

WASHINGTON, D.C. – A group of bipartisan lawmakers unveiled two emergency relief bills Monday that they hope will help struggling Americans get through the COVID-19 pandemic.The same group of senators and representatives introduced a 8 billion bill earlier this month, but they couldn’t secure enough support. So, they broke the bill up into two with the hopes of passing something as the coronavirus continues to ravage the country.One bill is called the Bipartisan COVID-19 Emergency Relief Act of 2020. It would provide as much as 8 billion in relief to American students, families, businesses, workers, and health care providers.That measure would include additional funding for the Paycheck Protection Program, schools, unemployment insurance, vaccine distribution, coronavirus testing, and contact tracing.The other bill is called the Bipartisan State and Local Support and Small Business Protection Act of 2020. It would provide 0 billion in funding for state and local governments, as well as liability protections. Both of those issues have been sticking points in relief negotiations.During a press conference introducing the legislation, Sen. Joe Manchin (D-WV) said the bills are a compromise that will carry the American people through April 1, 2021, “to ensure our healthcare crisis doesn’t become an economic catastrophe.”Sen. Susan Collins (R-ME) said she hopes leadership on both sides of the aisle use the group's legislation as a basis for a COVID-19 relief package.Negotiations are still ongoing between Democratic and Republican leadership, but both parties have said they hope to come to an agreement to provide aid the country before they leave Washington D.C. for the holidays.Watch the group lawmakers discuss the relief bills below: 1775

  

WASHINGTON (AP) — The Supreme Court has ordered lower federal courts in Colorado and New Jersey to reexamine state restrictions on indoor religious services to combat the coronavirus in light of the justices' recent ruling in favor of churches and synagogues in New York.According to NBC News, the judges ruled 6-3 in the case brought by High Plains Harvest Church in Colorado to send back to the lower courts, where the church previously lost.According to the Associated Press, Colorado said it took action and amended a public health order "to remove capacity limits from all houses of worship at all times in response to this Court's recent decisions."In a brief dissent, Justice Elena Kagan wrote that should have settled the issue because "there is no reason to think Colorado will reverse course—and so no reason to think Harvest Church will again face capacity limits."In the New Jersey case, the Supreme Court issued a ruling limiting the state's application of COVID-19 restrictions that apply to religious settings, granting an injunction sought by a Catholic priest at a church in North Caldwell rabbi at a synagogue in Lakewood, NBC News reported.The high court's unsigned decisions Tuesday threw out federal district court rulings that rejected challenges to limits imposed in both states.Last month, the Supreme Court ruled that New York could not enforce certain limits on attendance at churches and synagogues.No justice noted a dissent from the New Jersey decision, the AP reported. 1507

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