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西宁常四肢无力
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发布时间: 2025-06-02 19:37:21北京青年报社官方账号
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ESCONDIDO, Calif. (KGTV) -- The San Diego Zoo is now five years into its ambitious attempt to save a critically endangered species, the Northern White Rhino, from extinction. There are currently just two Northern White's still alive, both females who are unable to give birth. They live at a preserve in Kenya.“It’s the only thing that keeps me going, thinking that this is possible and that we can save a species," says Dr. Marisa Korody, part of the team working on the project. The concept sounds like a science fiction novel. The plan is to take skin cells from Northern White rhinos preserved at the Safari Park's Frozen Zoo. Using Nobel Prize-winning technology developed 14 years ago, Dr. Korody is working to use those skin cells to make stem cells. Stem cells can then be converted into any other kind of cell. In this case, the genetically pure Northern White Rhino sperm and eggs that could be used for in vitro fertilization, with Southern White Rhinos, a close genetic cousin of the Northern White, to use as surrogate mothers. Dr. Korody says her team has made great progress, including successfully turning skin cells from Angilifu, a male Northern White rhino who died at the Safari Park in 2014, into stem cells and turning those stem cells into heart cells. They even recorded incredible video of those living heart cells beating in a petri dish. “We basically jumped up and down in the lab. That was probably one of the most exciting days we’ve had. We were pulling people in from the hallways to say, come look and see what we did.” Along with the cell portion of the project, tremendous progress has also been made with the in vitro research. This fall, the Zoo celebrated the first birthdays of two Southern White Rhinos who were born using the technology the team hopes to use with the Northern White embryos. “These two, Edward and future, are so healthy, so happy, so well-adjusted. I don’t have children of my own, but I think it must be the same kind, on some scale, of pride you feel in your own children," said Dr. Barbara Durrant, who leads that portion of the project. When ABC 10News first began covering the Northern White Rhino plan in 2015, Dr. Durrant estimated it would be ten years before a Northern White calf would be successfully born. Now halfway through that timeline, she says she believes they are right on track. 2366

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Embattled Missouri Governor Eric Greitens announced on Tuesday he will resign over the scandals that have dominated his tenure.The Republican governor has been embroiled in scandal for weeks. Last month, a Missouri state House committee released a report alleging that Greitens subjected a woman to non-consensual sexual activity and violence. Greitens described the report as "tabloid trash gossip" rooted in "lies and falsehoods."In late April, Greitens was indicted on a felony charge of computer tampering tied to his campaign's alleged use of a charity donor list.Greitens made the announcement that he will step down during a press conference outside his office.Earlier this month, Missouri state lawmakers announced plans to convene a special legislative session to weigh potential disciplinary actions against the governor.A request for comment to Greitens' communications director was not immediately returned. 962

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Every year, Coronado Middle School and Coronado High School host Take a Veteran to School day. The kids invite vets into their classrooms, and the vets bring history lessons to life. On Wednesday, as the veterans and active duty parents gathered for a group photo, the kids quietly formed lines to surprise them with a walk or honor. Watch the video to see what happened. 384

  

Experts say the United States is going through a maternity and child health crisis.“We know that every 12 hours, around the clock, a mother dies as a consequence of childbirth, and if you are a Black woman, those numbers are three-fold higher,” said Dr. Rahul Gupta, Chief Medical and Health Officer at the March of Dimes. “If you're an American Alaskan woman, its two and a half times higher.”The March of Dimes is highlighting the areas of the country that are considered maternity care deserts, meaning places where there are no hospitals providing obstetric care.They say a third of counties are affected and it’s not just a rural American problem. It’s urban counties too.Dr. Rahul Gupta touched on some of the consequences, such as mothers dying unnecessarily, 22,000 infants dying before their first birthday, and the pre-term birth rate rising for a fifth year in a row.The numbers and problems are amplified in maternity care deserts, which have a higher poverty rate and lower household income. That’s something that's escalated during the pandemic.“The COVID-19 pandemic has unveiled the underlying challenges as well as ugliness within our systems of care as well as communities in terms of institutional racism and bias as well as the socioeconomic conditions that lead to some of these outcomes,” said Gupta.A report touches on many different policy-based solutions that could improve access to maternity care, including expanding access to Medicaid for new moms from 60 days to 1 year after childbirth, allowing better access to midwives, reimbursement for doula care, and expansion of telehealth services. 1629

  

ESCONDIDO, Calif. (KGTV) -- One of San Diego's few remaining glassblowing studios is on a mission to preserve the art and keep the glassblowing tradition strong for generations to come.“I believe we have to preserve 6,000 years of history," said James Stone, owner of Stone and Glass in Escondido.When Stone opened his shop in 2001 there were 21 studios in San Diego; today there are just four left.He says running a shop is difficult and expensive, but well worth the effort.“The knowledge is hard fought for, hard fought to know how to do this. Lots of mistakes before you get it right," said Stone.This weekend Stone is offering a rare opportunity to the public, hosting maestro Roberto Beltrami of Murano, Italy. You can learn more about the workshop and demos here. 783

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