内容摘要：Fernando Hermida stands for a portrait against the skyline of Charlotte, N.C. (AP Photo/Laura Bargfeld)

Fernando Hermida stands for a portrait against the skyline of Charlotte, N.C. (AP Photo/Laura Bargfeld)

Later, Carroll resurrected Smith’s career by signing him in 2019 as the backup. Smith, a second-round pick in 2019 by the Jets, had lost his starting job with New York and spent one season each as a backup with the New York Giants and Los Angeles Chargers.Smith took over as Seattle’s starter in 2022 and led the league by completing 69.8% of his passes while throwing for 4,282 yards and 30 touchdowns with 11 interceptions. He was selected as the NFL’s AP Comeback Player of the Year.

The Seahawks posted winning records all three years with Smith as the starter, but his career there reached a crossroads after last season. The two parties failed to reach a contract agreement, leading to thein which the Raiders gave up a third-round draft pick.That means Smith is starting over again.

“There’s not a lot of guys that would have shown that resiliency,” offensive coordinator Chip Kelly said. “There’s not a lot of guys that would have persevered through all of that. ... He’s so relatable to everybody in this program because he’s kind of lived that life.“The fact that he has done it and come out and to be the way he is now is really a testament to him.”

Smith said his up-and-down NFL career has helped him “cherish it a little bit more.”

The Raiders are putting their hopes and money — they signed Smith to aThey were born in sort of a porcine birthing center connected to the facility, weaned a day or two later and moved into their super-clean pens to be hand-raised. In addition to the on-site shower, their caretakers must put on a new protective suit and mask before entering each suite of pig pens — another precaution against germs.

The pig zone is surrounded on all sides by security and mechanical systems that shield the animals. Outside air enters through multiple filtration systems. Giant vats hold backup supplies of drinking water. Standing over the pig rooms, VonEsch showed how pipes and vents were placed to allow maintenance and repair without any animal contact.It will take years of clinical trials to prove whether xenotransplantation really could work. But if it succeeds, United Therapeutics’ plan is for even larger facilities, capable of producing up to 2,000 organs a year, in several places around the country.

The field is at a point where multiple kinds of studies “are telling us that there’s no train wrecks, that there’s no immediate rejection,” Ayares said. “The next two or three years are going to be super exciting.”The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group. The AP is solely responsible for all content.