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Bird populations in the United States and Canada have dropped by 29% since 1970, signifying 2.9 billion birds lost in almost 50 years, according to a new study.The scientists involved in the study warn that like a canary in a coalmine, birds reveal environmental health. This steep loss of bird populations, including some of the most common birds like sparrows and finches, shows that human impacts on the continent's environment mean it can no longer support the wildlife systems it once did.Normally, it's hard to track animal populations this way. But birds are much easier to monitor. The study combines almost 50 years of data, including information collected by citizen scientists and weather radar data of migratory birds from 143 stations across North America. Observations by people were shared with the North American Breeding Bird Survey at the US Geological Survey, the Canadian Wildlife Service, the Audubon Christmas Bird Count and Manomet's International Shorebird Survey."Citizen-science participants contributed critical scientific data to show the international scale of losses of birds," said John Sauer, study co-author at the US Geological Survey. "Our results also provide insights into actions we can take to reverse the declines."The study was published Thursday in the journal 1315

Another person has died after vaping, this time it was a man over the age of 50 who lived in Kansas. He becomes the second vaping-related death in the state, according 180

An unexpected danger of urban life: Psychotic experiences are more common among teens exposed to the highest levels of nitrogen dioxide and other forms of air pollution, according to a new study. Nitrogen oxides, including nitrogen dioxide, are tailpipe pollutants, entering the air due to burning fuel."One of the most consistent findings over the past few decades has been a link between cities and psychosis," 425

Barneys, an icon of America's luxury clothing world for decades, has filed for bankruptcy.The New York-based retailer filed for Chapter 11 bankruptcy protection early Tuesday morning. It said in a statement that it had also secured million from affiliates of Hilco Global and the Gordon Brothers Group to help meet its financial commitments."Like many in our industry, Barneys New York's financial position has been dramatically impacted by the challenging retail environment and rent structures that are excessively high relative to market demand," Barneys CEO Daniella Vitale said in a statement.The bankruptcy filing will allow the company "to conduct a sale process, review our current leases and optimize our operations," she added.The company said it will continue to operate five flagship locations in New York, Los Angeles, San Francisco and Boston, as well as Barneys.com and BarneysWarehouse.com. However, it said it is shutting down stores in Chicago, Las Vegas and Seattle.The company is also shutting down five "concept stores" and seven of its nine Barneys Warehouse stores.The move was not unexpected. Reuters reported last month that filing for bankruptcy protection could help alleviate the pressure of expensive leases.The company traces its history to 1923, 1293

Ashley Massaro, a former wrestler, actress and model, has died at the age of 39 according to World Wrestling Entertainment. 135

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