Scientists have advanced human-animal chimera research by successfully growing human cells within the organs of mice. This development could bring experts closer to the goal of custom-growing human ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. While research on human-pig chimeras is on an indefinite pause, xenotransplantation is moving ahead. wildpixel/iStock via Getty ...

Multicellularity is one of the most profound phenomena in biology, and relies on the ability of a single cell to reorganize ...

For decades, scientists knew that male embryos in many mammal species—such as cows, mice, and even humans—tend to grow faster than female ones. But no one really knew why. The new study, published in ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

A team of scientists has just gotten a closer peek into one of the earliest and most fundamental steps of creating a human life. Research out today highlights how they captured—for the first ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Monika Piotrowska, University at Albany, State University of New York (THE ...