For the first time, genetically modified humans were reportedly born. This video explains what was changed, why scientists reacted so strongly, and what it means going forward. The technology isn’t ...

The transplanted portion of the genetically modified pig liver was removed after 38 days, and the patient, who had advanced liver cancer and cirrhosis, died several months later. By Roni Caryn Rabin ...

Researchers in China placed a lung from a genetically modified pig into a brain-dead man, with mixed results. By Roni Caryn Rabin Scientists have dreamed for centuries about using animal organs to ...