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A tetraplegic man has been able to move all four of his paralyzed limbs by using a brain-controlled robotic suit, researchers have said.The 28-year-old man from Lyon, France, known as Thibault, was paralyzed from the shoulders down after falling 40 feet from a balcony, severing his spinal cord, the AFP news agency reported.He had some movement in his biceps and left wrist, and was able to operate a wheelchair using a joystick with his left arm.Researchers from the University of Grenoble in France, biomedical research center Clinatec and the CEA research center implanted recording devices on either side of Thibault's head, between the brain and skin, to span the sensorimotor cortex -- the area of the brain that controls motor function and sensation.Electrode grids collected the man's brain signals and transmitted them to a decoding algorithm, which translated the signals into movements and commanded a robotic exoskeleton to complete them.Over a period of two years, Thibault trained the algorithm to understand his thoughts by controlling an avatar -- a virtual character -- within a video game, making it walk and touch 2D and 3D objects.He trained on simple virtual simulations before using the exoskeleton -- which is assisted by a ceiling-mounted harness -- to eventually walk, and reach for targets with his arms.Over the course of the study, Thibault covered a total of 145 meters (around 476 feet) with 480 steps using the avatar, video and exoskeleton combined, researchers said in the study, which was published in 1549

A woman was struck and killed by a parade float in New Orleans as the city celebrated Mardi Gras.The woman, who hasn’t been identified, appeared to have tried to cross in between a tandem float when she tripped over its hitch and was run over, witnesses told news outlets. A tandem float has two sections that are connected in the middle.The death happened Wednesday night during the Krewe of Nyx parade. Mardi Gras is Feb. 25, but the Fat Tuesday celebration is preceded by a week or more of parades and parties each year.“On such a joyous night, this is obviously a tragic occurrence,” Nyx Captain Julie Lea said in a statement. “On behalf of the entire Krewe of Nyx, along with the city of New Orleans, we offer our most sincere condolences to the family and friends of the individual involved.”The accident involved float 21, New Orleans Police Superintendent Shaun Ferguson said at a news conference. The rest of the floats were not allowed to continue on the parade route and were diverted, he said.The Mystic Krewe of Nyx is an all-female Carnival Krewe. It was “established to unite women of diverse backgrounds for fun, friendship, and the merriment of the Mardi Gras season,” according to its 1215

A New York jury granted nearly million in civil damages to a high school student who was severely burned in a 2014 class chemistry experiment.The award is the culmination of a years-long lawsuit by the family of Alonzo Yanes, who was a student at New York's Beacon High School at the time of the experiment.Yanes is still being treated for his injuries, requiring autografts to replace tissue, his lawyer said."He hasn't had a day without pain," lawyer Ben Rubinowitz said. "They are more than just scars on his face."The lawsuit accused the New York City Department of Education and the Board of Education of failing to alert teachers to the dangers of the experiment, known as the rainbow demonstration.The experiment was intended to demonstrate colors of flame produced by the combustion of various metals or salts. When Yanes attempted it in his sophomore chemistry class, it generated an explosion that caused a fire, the lawsuit states.Several months after the incident, the American Chemical Society's Committee on Chemical Safety put out a 1064

All states holding presidential primaries next Tuesday say voting will take place as scheduled, despite the novel coronavirus pandemic.In a 152

A price list uncovered during an ongoing lawsuit against an Arizona body broker provides insight into the values of body parts and the profits that can be produced. The price list is from an Arizona company shut down after an FBI raid five years ago. 262