With the advent of genetic engineering of rodents came the need to assess fertility and germline competency, especially in chimeric rodents generated using embryonic stem cells. Traditional methods ...

There may be no species closer to the black brink of extinction than the largest freshwater turtle on Earth, the Yangtze giant softshell. Only four of these critically endangered reptiles are left in ...

After a decade of being paralyzed, Hong Cheng-chin (洪正清) and his wife Hsieh Mei-yun (謝美雲) almost gave up hope of having children. Last year, however, with the help of reproduction technology offered ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Bengal tiger (Panthera tigris tigris) is critically endangered, so assisted reproductive technologies, including artificial insemination, are important conservation tools. For wild and domestic ...