Monkey embryos have recently been used in an experiment with human cells to create man-monkey chimeras. Scientists have been combining cells of different animal species since 1969, when the French biologist Nicole Le Douarin first created quail-chicken embryos,...
Can researchers artificially produce a product resembling a human embryo in a test tube, without using eggs or sperm or undergoing fertilization? For the past several years, some research laboratories have been experimenting on animal models. And now experiments are...
Following a transplant with her own ovarian tissue, a 27-year-old woman, Gwenola, recently became a mother at the Nantes Medical Center in France. Since age 18, Gwenola has suffered from lymphoma. Given that the chemotherapy is toxic to the ovaries, she had her...
