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梅州流产术前须知
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发布时间: 2025-05-25 21:00:32北京青年报社官方账号
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  梅州流产术前须知   

The results are finally in for the first chocolate chip cookie bake-off in space.While looking more or less normal, the best cookies required two hours of baking time last month up at the International Space Station. It takes far less time on Earth, under 20 minutes.And how do they taste? No one knows. Still sealed in individual baking pouches and packed in their spaceflight container, the cookies remain frozen in a Houston-area lab after splashing down two weeks ago in a SpaceX capsule. They were the first food baked in space from raw ingredients.The makers of the oven expected a difference in baking time in space, but not that big.“There’s still a lot to look into to figure out really what’s driving that difference, but definitely a cool result,” Mary Murphy, a manager for Texas-based Nanoracks, said this week. “Overall, I think it’s a pretty awesome first experiment.”Located near NASA’s Johnson Space Center, Nanoracks designed and built the small electric test oven that was launched to the space station last November. Five frozen raw cookies were already up there.Italian astronaut Luca Parmitano was the master baker in December, radioing down a description as he baked them one by one in the prototype Zero G Oven. The first cookie — in the oven for 25 minutes at 300 degrees Fahrenheit (149 degrees Celsius) — ended up seriously under-baked. He more than doubled the baking time for the next two, and the results were still so-so.The fourth cookie stayed in the oven for two hours, and finally success. “So this time, I do see some browning,” Parmitano radioed. “I can’t tell you whether it’s cooked all the way or not, but it certainly doesn’t look like cookie dough any more.”Parmitano cranked the oven up to its maximum 325 degrees F (163 degrees C) for the fifth cookie and baked it for 130 minutes. He reported more success.Additional testing is required to determine whether the three returned cookies are safe to eat.As for aroma, the astronauts could smell the cookies when they removed them from the oven, except for the first.That’s the beauty of baking in space, according to former NASA astronaut Mike Massimino. He now teaches at Columbia University and is a paid spokesman for DoubleTree by Hilton. The hotel chain provided the cookie dough, the same kind used for cookies offered to hotel guests. It’s offering one of the space-baked cookies to the Smithsonian Institution’s National Air and Space Museum for display.“The reminder of home, the connection with home, I think, can’t be overstated,” Massimino said. “From my personal experience ... food is pretty important for not just nutrition but also for morale in keeping people connected to their home and their Earth.”Eating something other than dehydrated or prepackaged food will be particularly important as astronauts head back to the moon and on to Mars.Nanoracks and Zero G Kitchen, a New York City startup that collaborated with the experiment, are considering more experiments for the orbiting oven and possibly more space appliances. What’s in orbit now are essentially food warmers.There’s an added bonus of having freshly baked cookies in space.“We made space cookies and milk for Santa this year,” NASA astronaut Christina Koch tweeted.___The Associated Press Health and Science Department receives 3315

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The rookie took down the rock star in Sunday's New York City Marathon.Joyciline Jepkosgei ruined esteemed countrywoman Mary Keitany's chance at a fifth women's title in the contest, but all kudos went to Kenya, as Keitany came in second, and Geoffrey Kamworor won the men's division, his second NYC Marathon victory."My strategy I had planned was to finish the race strong," Jepkosgei said in a statement. "But in the last kilometers, I saw that I was approaching the finish line and I was capable of winning."The world record holder in the half marathon, Jepkosgei finished first among thousands of competitors with an 632

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Though the UK celebrates Mother's Day in March, Meghan, the Duchess of Sussex, is still an American at heart.An Instagram account she shares with husband Prince Harry released a sweet new photo of the newborn royal as the US, along with Canada, Australia and several other countries, celebrated Mother's Day on Sunday.The duchess, 37, gave birth a week ago to her first child, Archie Harrison Mountbattan-Windsor."Paying tribute to all mothers today - past, present, mothers-to-be, and those lost but forever remembered," the caption reads. "We honor and celebrate each and every one of you."In the photo, baby Archie appears to be wrapped in a white blanket and held by his mom. The post also included a quote from Nayyirah Waheed's poem "lands."Some people speculated that the photo was a nod to Archie's late grandmother, Princess Diana, because forget-me-nots, which were Diana's favorite flowers, are pictured in the background.Meghan's bridal bouquet, which was hand-picked by Prince Harry, also included forget-me-nots.</p> 1048

  

The strong winds that have fanned multiple fires raging across California are expected to subside Friday, giving firefighters a better chance at containing the blazes.Conditions less favorable for spreading wildfires are expected across California Friday into Saturday, according to the National Weather Service.For several days, firefighters have been battling flames as furious winds -- some as strong as hurricane-force -- have stoked them. At least 465

  

Three of Jeopardy's most decorated champions will battle on Thursday and Friday for this year's Tournament of Champions, and they are asking fans of the show to help raise money for pancreatic cancer research.Not only has Jeopardy host Alex Trebek been fighting pancreatic cancer, Larry Martin, the 2018 Teachers' Tournament champion died from pancreatic cancer in January. Martin would have qualified for this year's Tournament of Champions had it not been for his death. In addition to raising money, the champions have also worn purple ribbons to honor Martin.Steven Grade, a Tournament of Champions semifinalist lost to James Holzhauer on Tuesday. Grade is encouraging viewers to play along on Thursday and Friday and donate every time they get an answer correct. Grade's tweet has been shared by other Jeopardy champions."Play one night, play both nights, donate an amount that is right for you, or help spread the word to Jeopardy! watchers and non-watchers alike – every little bit helps, and every little bit helps to honor Alex, Larry, and all those who are fighting and have fought pancreatic cancer," Grade wrote.The charity is the Lustgarten Foudnation for Pancreatic Cancer Research. As of Thursday afternoon, more than ,000 has been raised. The foundation said that every dollar raised will go directly to cancer research.This tournament has been an emotional one so far. During Monday's semifinal round, in Final Jeopardy, Dhruv Gaur, who was in a distant third place entering Final Jeopardy, responded "What is We <3 you Alex!"Gaur's response clearly choked up Trebek during Final Jeopardy. "That is very kind of you," Trebek said to Gaur's answer.To donate, click 1703

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