chimera

Earlier this month, scientists announced that they'd successfully embedded human stem cells into monkey embryos. Now bioethicists have some concerns.

Mix and Match

Developments

"A remarkable step has been taken scientifically that raises urgent issues of public concern."

Scientists Alarmed by Lab-Grown Human-Animal Hybrids

For the first time ever, an international team of scientists have created chimera embryos that are made up of both human and monkey cells, as NPR reports.

Organ Grinder

"Our goal is not to generate any new organism, any monster."

For First Time Ever, Scientists Create Part-Human, Part-Monkey Embryos

Only 0.01 percent of human cells were used, but it paves the way for future experiments to combine species.

Scientists Announce New Animal-Human Hybrid Experiment — This Time With Sheep

Human-animal hybrids are on their way.

Researchers Invent Stem Cell Capable of Becoming an Entire Embryo

Soon, we could have a way of growing human organs.

Scientists Move Closer to Creating the First "Human/Pig Chimera"

Pigs could help us shorten the line on the organ transplant waiting list

Scientists Are Using Pigs As Incubators To Grow Human Organs

Scientists are Growing Human Organs Inside Pigs and Sheep for Transplant