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Some good news for nap fanatics -- a new study has found that a daytime nap taken once or twice a week could lower the risk of heart attacks or strokes.Researchers from the University Hospital of Lausanne, Switzerland studied the association between napping frequency and duration and the risk of fatal and non-fatal cardiovascular disease complications.Tracking 3,462 people between the ages of 35 and 75 for just over five years, the report authors found that those who indulged in occasional napping -- once or twice a week, for between five minutes to an hour -- were 48% less likely to suffer a heart attack, stroke or heart failure than those who did not nap at all.The observational study, which was published in 732

Roughly two-dozen House Republicans on Wednesday stormed a closed-door deposition in secure House Intelligence Committee spaces to rail against the Democratic-led 175

Seattle Seahawks linebacker Bobby Wagner went to a Seattle Safeway grocery store planning to box groceries for nine families as part of a planned charity event. Wagner previously supported the construction of nine "tiny" homes for low income families in Seattle. He was at the Safeway on Tuesday to box up Thanksgiving groceries to continue his support for those families.But Wagner was really in a giving mood. While at the Safeway, Wagner told the store he would pay for everyone's groceries. For 30 minutes, cashiers at the Safeway rang up conveyor belts full of groceries just days before Thanksgiving, with Wagner picking up the tab. To Wagner, the photo op had already ended, and he didn't plan on advertising the good deed. But being a star player for the local NFL team gives one notoriety, and thus quickly the world found out through social media. But by the time news cameras arrived at the Safeway, Wagner was already gone. But on Wednesday, he was asked about what prompted him to spontaneously give back to his fans. “When we were waiting, I saw everyone Thanksgiving shopping and I thought it would be cool if when they went to the cash register they didn’t have to pay,” Wagner told 1211

SpaceX completed the last big test of its crew capsule before launching astronauts in the next few months, mimicking an emergency escape shortly after liftoff Sunday.No one was aboard for the wild ride in the skies above Cape Canaveral, just two mannequins. The nine-minute flight ended with the Dragon crew capsule parachuting safely into the Atlantic, after separating and speeding away from the exploding rocket.“I’m super fired up,” Elon Musk, the company’s founder and chief executive, told reporters. “It’s just going to be wonderful to get astronauts back into orbit from American soil after almost a decade of not being able to do so. That’s just super exciting.”NASA astronauts have not launched from the U.S. since the space shuttle program ended in 2011. Musk and NASA Administrator Jim Bridenstine said the next Crew Dragon could launch with a pair of NASA astronauts in the second quarter of this year — as early as April.The Falcon 9 rocket blasted off as normal, but just over a minute into its supersonic flight, the Dragon crew capsule catapulted off the top 12 miles (20 kilometers) above the Atlantic. Powerful thrusters on the capsule propelled it up and out of harm’s way, as the rocket engines deliberately shut down and the booster tumbled out of control and exploded in a giant fireball. The capsule reached an altitude of about 27 miles (44 kilometers) before parachuting into the ocean just offshore to bring the test flight to a close. Everything appeared to go well despite the choppy seas and overcast skies. Within minutes, a recovery ship was alongside the capsule.Recycled from three previous launches, the SpaceX rocket was destroyed as it burst apart in flight and slammed in pieces into the sea. SpaceX normally tries to recover its boosters to drive down launch costs, landing them upright on a floating platform or back at the launch site.NASA’s commercial crew program manager, Kathy Lueders, said the launch abort test was “our last open milestone” before allowing SpaceX to launch Doug Hurley and Robert Behnken to the International Space Station. Their launch date will depend, in part, on whether NASA decides to keep them for months at the orbiting lab, versus just a week or two. A longer mission will require more training before flight.The astronauts monitored Sunday’s flight from the firing room. Hurley said it was “pretty neat to see” the capsule aboard the recovery ship within two hours. By all early accounts, the test was successful.“We’ll see what the data show and go from there,” Hurley said. “But it certainly is a confidence builder from the standpoint if you ever got into that situation, that Dragon can get us away from the booster quickly.”The astronauts also will have access to speed before liftoff. During a launch dress rehearsal Friday, Hurley and Behnken rode in a white Tesla Model X from Kennedy Space Center’s crew quarters to the launch pad, their sleek white and black spacesuits matching the electric sports car with wing-like doors. Musk, who also runs Tesla, used the cars to get around the space center Sunday.Delayed a day by bad weather, Sunday’s launch from Kennedy brought together hundreds of SpaceX, NASA and Air Force employees on land, at sea and in the air. Tourists and locals alike packed the adjoining visitor complex and nearby beaches to see the dramatic fiery spectacle of an out-of-control rocket. Musk brought along his own family, including his brother.NASA hired SpaceX and Boeing a decade ago to transport astronauts to and from the space station for billions of dollars. Both companies struggled with technical problems, adding years of delay and forcing NASA to shell out hundreds of millions of dollars extra for Russian rocket rides.After multiple cargo deliveries for NASA, SpaceX successfully flew an enhanced crew capsule to the space station last March without anyone on board, but it exploded a month later during ground testing. The emergency escape thrusters — the kind used in Sunday’s test — had to be retooled. In all, SpaceX has tested these powerful Super Draco thrusters some 700 times.Last month, meanwhile, Boeing’s Starliner crew capsule ended up in the wrong orbit on its first test flight and had to skip the space station. The previous month, only two of the Starliner’s three parachutes deployed during a launch abort test.Lueders said it’s too soon to know whether Boeing will need to send another Starliner to the space station without a crew or go straight to launching astronauts later this year. An investigation team is still looking into why the Starliner’s automated timer was off by 11 hours during the December test flight.The importance of launch escape was demonstrated in 2017 when two astronauts, an American and a Russian, were pulled to safety during a failed launch from Kazakhstan. They experienced up to seven times the force of gravity during the abort, but walked away from the accident.The SpaceX in-flight abort system, Musk pointed out, should be gentler for the crew and is good from the launch pad all the way to orbit.Musk said the Dragon’s escape system should work — in principle — even if the capsule is still attached when the rocket erupts in a fireball. He said that could look like “something out of ‘Star Wars’” with the capsule flying right out of a fireball.“Obviously we want to avoid doing that,” he quickly added, taking note of all the NASA personnel around him.___The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content. 5629

ST. PETERSBURG, Fla. — A high school football player in St. Petersburg, Florida, is brain dead after collapsing during Friday night's game, according to the teen's mother.After a group tackle, 17-year-old Jacquez Welch of Northeast High School never stood back up. Paramedics rushed Welch to Bayfront Hospital where doctors discovered a pre-existing brain condition that no one knew about. They say Jacquez was born with arteriovenous malformation, also known as AVM. It's an abnormal connection between the arteries and veins in the brain. Marcia Nelson, his mother, was in the stands when it happened. She said in a press conference Monday that her son is brain dead and his collapse had nothing to do with the sport."I don't want anybody to be scared of sports," Nelson said. "It just happened to him at an early age, doing what he loved to do."Nelson said the family is working on making her son an organ donor to seven people. The family plans to take Jacquez off life support Monday night after an honor walk at 10 p.m. at Bayfront Hospital. "I am content. This is not anything I could control," Nelson said calmly. Nelson said Jacquez was a giving person and he would be proud that his organs will be used to save other lives. Nelson says football was his passion. He was also an older brother who served as a role model for his siblings. 1358