John Gurche helps people understand what ancient humans looked like by creating lifelike models based on archaeological finds. The work requires a mix of artistic skill and scientific knowledge. (Sept. 24) (AP Video: Michael Hill)

Japan’s health ministry has approved Leqembi, a drug for Alzheimer’s disease that was jointly developed by Japanese and U.S. pharmaceutical companies. It’s the first drug for treatment of the disease in a country with a rapidly aging population.

For the first time, U.S. regulators Wednesday approved selling meat grown from animal cells, not from slaughtered animals. (June 21) (AP Video: Terry Chea; Production: Shelby Lum)

A sister’s decision to donate her brother’s body to science is helping doctors in the quest to one day ease the nation’s transplant shortage with organs from animals. (Aug. 18) (AP video/Shelby Lum)

For a history-making two months, a pig’s kidney worked normally inside a brain-dead man. And while the dramatic experiment ended this week, it’s raising hope for testing pig kidneys in living patients. (Sept. 14) (AP Video/Shelby Lum)

Surgeons at NYU transplanted a pig’s kidney into a brain-dead man and for over a month it’s worked normally. It’s a critical step toward eventually trying in living patients. (Aug. 16) (AP video/Shelby Lum)

Surgeons have transplanted a pig’s heart into a dying man in a bid to prolong his life. He’s only the second patient to undergo such an experimental feat. Maryland doctors said Friday that the man was cracking jokes and able to sit in a chair two days after the transplant. (Sept. 22)

Firefighter and paramedic Mike Camilleri once had no trouble hauling heavy gear up ladders. Now battling long COVID, he gingerly steps onto a treadmill to learn how his heart handles a simple walk.