For several years, researchers studied human embryonic stem cells (ESCs) to understand the unique features of these pluripotent cells, but on their own, they poorly resembled the complex structures ...

Unlike humans, turtles, lizards and other reptiles – such as crocodiles – do not have sex chromosomes. Their sex is determined based on the environment, which makes them especially vulnerable to ...

A University of California, Riverside study reports that cells in the earliest stages of human development could be ...

Managing patient expectations in embryo diagnostics during in vitro fertilization requires a careful balance of empathy, ...