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"Attention all shoppers, associates and management... nobody should work here — ever.”That is what a 17-year-old former Walmart associate said over the intercom at a Walmart location in Grande Prairie in Alberta last week. Jackson Racicot recorded the moment he quit his job after more than a year with Walmart. He then shared the video with thousands on Facebook, prompting more than 1,000 shares and comments. Racicot told the Edmonton Journal that he had another job lined up before announcing to everyone in the store that he was quitting. He cited mistreatment of employees as to why he left the job. "Our managers will make promises and never keep them," Racicot told everyone in the store. "Management will try to save money every step of the way including cutting benefits and a full-time associate down to part-time even though he worked 40 plus hours a week."“I’ve been a loyal employee here for over a year and a half, and I’m sick of all the bulls----, bogus write-ups, and my job,” he added over the intercom. In a statement to the Edmonton Journal, Walmart said, "We are aware of the video circulating online and are disappointed by this incident. Respect for all individuals including our associates and customers is a core value at Walmart. We are looking into this matter and will address it internally as required.”Note: The video contains strong language 1426

“The biggest thing is for me to use my platform as a microphone. That’s the goal, be a voice for the voiceless.” - @T_Cloud4.We are both proud and humbled to welcome WNBA champion @T_Cloud4 to the family. pic.twitter.com/0NTqqWCJUi— Converse (@Converse) June 8, 2020 275

With many Americans avoiding getting on board passenger jets amid the spread of coronavirus, United Airlines has a plan to continue operating some of its fleet of planes. United Airlines said that it is using some of its largest planes as cargo planes. United Airlines said the flights will be used to carry "critical goods."United said it is using its Boeing 777 and 787 fleet to run 40 charter flights each week, and is looking to add more routes. "Connecting products to people around the world is the United Cargo mission," said United Cargo President Jan Krems. "That role has never been more crucial than during the current crisis. Our team is working around the clock to provide innovative solutions for our customers and support the global community." 771

 Two 250,000-year-old teeth from two Neanderthal children revealed that both of them were exposed to lead twice during their short lifetimes, the first known case of lead exposure in Neanderthals.An international team of researchers studied the two teeth, as well as one from a modern human child who lived 5,000 years ago. All of them are from the same archaeological site in southeast France. The results of their analysis were published Wednesday in the journal Science Advances."Traditionally, people thought lead exposure occurred in populations only after industrialization, but these results show it happened prehistorically, before lead had been widely released into the environment," said Christine Austin, study co-author and assistant professor in the Department of Environmental Medicine and Public Health at the Icahn School of Medicine at Mount Sinai. "Our team plans to analyze more teeth from our ancestors and investigate how lead exposures may have affected their health and how that may relate to how our bodies respond to lead today."And as with tree rings, researchers used the teeth to determine key events in the children's lives. During childhood, new teeth layers are formed each day, capturing chemical signatures that can be traced."Teeth record environmental variation based on the climate, even where you're growing up," said Tanya Smith, lead author of the study and associate professor at Griffith University. "That's possible because when you're growing, your teeth you actually lock in a record of the chemistry of the water and the food that you're eating and drinking. Because teeth have these tiny timelines, we can relate the chemistry to the growth to calculate ancient climate records. We can't do that with any other element of the body."They were able to determine that one of the Neanderthal children was born in the spring and that both children were more likely to be sick during the colder winter seasons. They lived through more extreme seasons with a greater variation in temperature than the modern human child who was also studied.The intact teeth had growth rings, which the researchers used to measure barium, lead and oxygen. Lasers targeted tiny spots in the teeth to map their chemistry and reconstruct ancient climate records. This reconstruction was able to map a weekly scale of variation, showing when the summer and winter seasons happened and how long they lasted. The researchers related this back to the individual's growth."This study reports a major breakthrough in the reconstruction of ancient climates, a significant factor in human evolution, as temperature and precipitation cycles influenced the landscapes and food resources our ancestors relied on," Smith said.The growth rings also provided evidence of nursing."We were able to identify milk intake through breastfeeding in one individual based on a trace element called barium," Smith said. "We were able to time that to the season."That individual nursed for 2? years, which is similar to modern human children who lived in hunter-gatherer environments. "This is something we may share in common with Neanderthals," Smith said. Unfortunately, although the Neanderthal child survived infancy, it did not reach adulthood. The ages of the children were not included in the study.The researchers believe that the children were exposed to lead environmentally, either inhaling or ingesting it."That must have come from natural deposits in the area, whether they were going into an underground environment or they were eating contaminated food that was incorporated into their growing bones and teeth," Smith said.Smith believes that this research emphasizes the different levels of information that can be taken from teeth."We've now got the ability to integrate ancient climate data with health history, nursing history and illness," she said. "To be able to get all that information from a single sample 250,000 years ago is a unique opportunity."But this doesn't just apply to studying those who lived before us."Dietary patterns in our early life have far-reaching consequences for our health, and by understanding how breastfeeding evolved, we can help guide the current population on what is good breastfeeding practice," said Manish Arora, study co-author and vice chairman of the Department of Environmental Medicine and Public Health at the Icahn School of Medicine. "Our research team is working on applying these techniques in contemporary populations to study how breastfeeding alters health trajectories including those of neurodevelopment, cardiac health and other high-priority health outcomes." 4648

YPSILANTI, Mich. — One entrepreneur thinks flying cars will one day change the way Americans travel — even though his creation almost cost him his life.Sanjay Dhall, the founder of Detroit Flying Car Company, is still recovering from a December crash at Willow Run Airport in Ypsilanti. Dhall said he was testing out the controls in his flying car prototype when he accidentally took off and found himself 150 feet in the air.“It was a miraculous escape. I did break a lot of bones from head to toe,” Dhall said. “… But amazingly the machine took the majority of the impact and I survived.”The machine was destroyed.“One wrong calculation can mean the difference between life and death,” Dhall said. He says he now is more committed than ever to getting the technology right.“I still want to get back and build another prototype, a demonstrator vehicle that will succeed,” Dhall said.A study released this week by the University of Michigan motivates him. It found that for trips of about 60 miles and longer, a fully-loaded flying car carrying a pilot and three passengers had 52% lower greenhouse gas emissions and time savings compared to ground-based gasoline powered cars with an average vehicle occupancy of 1.54."Consumers could be incentivized to share trips, given the significant time savings from flying versus driving," The study's author, Akshat Kasliwal, said.The study found flying cars would travel the 60 miles much faster, resulting in a time savings of about 80 percent compared to cars driving on the road.When compared to electric cars, fully-loaded flying cars still had 6% lower greenhouse gas emissions on trips longer than 60 miles.“When flight happens, constraints are gone. And when constraints go away things have a way of going cleaner ways,” Dhall said.The study did find that on short trips, it is more efficient to stay on the ground.Dhall points out that his prototype features wings that retract into the vehicle, allowing travel by road or sky. In theory, he says it could be an overall greener way of traveling.He says he named his company in honor of the Detroit inventors who changed the way people around the world travel.He believes flying cars will do the same in the future. 2229

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