Here’s what you’ll learn when you read this story: The word “chimera” usually evokes images of mythological, multi-headed beasts, but the term also comes with more modern, scientific connotations. For ...

The quest to grow functional human organs in animal hosts has made significant strides, marking a revolutionary leap in regenerative medicine and transplantation. This groundbreaking research offers ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly genetically identical cells. Depending on the organism, these cells arrange ...

A biotech startup seeks to end animal testing with the creation of headless human bodyoids. Sad sack or serious salvation? A small group of scientists is angling to replace laboratory animals with ...

There’s one area of surprising agreement in the often adversarial relationship between conservatives and the scientific community: the need to phase out animal testing in biomedical research. The new ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. How can we ethically study the final stages of pregnancy? That sounds ...

Biotech company eGenesis recently announced its implanted a pig kidney into a second human patient. This animal-to-human organ transplant, or xenotransplant, was made possible through advancements in ...

Soon, a chip lined with your own cells may decide which medication you take, long before a single pill is ever swallowed ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...