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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

Artificial intelligence is being used by companies around the world, allowing many stories to go cashierless.Mike Fogarty, founder of Choice Market, says great food, service and quick check-outs are essential.“Currently, we have the ability for folks to order online on an app and use one of our self-checkouts back here,” Fogarty says. “We also have a traditional point of sale over here.”In six months, Choice Market plans to introduce a cashierless system using artificial intelligence technology.“Using cameras, sensors and other things within the store to monitor what’s being taken off the shelf, what a customer is walking out with, and ultimately, charging it to their credit card or the app,” Fogarty explains. However, Choice Market isn’t the only store doing this. Amazon Go stores are popping up across the country.“Many other retailers, including ourselves, are looking at this as a way to really enhance the customer experience,” Fogarty says. “And [in] my opinion, you will see this in almost every retailer in the very near future.”As far as jobs go, Fogarty says he doesn’t plan on letting any employees go once the new stores open. 1161

AUSTIN, Texas – A VHS tape showing a baby boy’s first steps in 1994 is back with its rightful owners after being found at a Goodwill in Texas.Jim McKay, a filmmaker in Austin, bought the tape over a year ago and only recently discovered that the baby’s precious milestone was documented on it. After that, McKay made it his mission to find the family in the video who is seen cheering the baby on.Last Saturday, McKay posted a 439

Apple has released a new app that it says will give guidance to people who think they may be sick with the coronavirus.The app, developed in a partnership with the White House coronavirus task force and the Centers for Disease Control and Prevention, walks the user through a series of questions and gives a recommendation about what steps they should take next.The app asks users about their age, symptoms, travel history and prior health issues. Once the user has answered all the questions, the app could recommend a trip to the hospital, a round of self-isolation or other treatment options."The tool provides CDC recommendations on next steps including guidance on social distancing and self-isolating, how to closely monitor symptoms, recommendations on testing, and when to contact a medical provider," the CDC said in a press release.To download the app, 875

Big, destructive hurricanes are hitting the U.S. three times more frequently than they did a century ago, according to a new study.Experts generally measure a hurricane’s destruction by adding up how much damage it did to people and cities. That can overlook storms that are powerful, but that hit only sparsely populated areas. A Danish research team came up with a new measurement that looked at just the how big and strong the hurricane was, not how much money it cost. They call it Area of Total Destruction.“It’s the most damaging ones that are increasing the most,” said study lead author Aslak Grinsted, a climate scientist at the University of Copenhagen. “This is exactly what you would expect with climate models.”Looking at 247 hurricanes that hit the U.S. since 1900, the researchers found the top 10 percent of hurricanes, those with an area of total devastation of more than 467 square miles (1,209 square kilometers), are happening 3.3 times more frequently, according to a 1001