Hebrew University researchers say they have discovered that fish embryos are able to decide when they want to be born. Dr. Matan Golan from the university’s Volcani Institute, who led the team ...

Over the past 60 years, scientists have had success preserving the sex cells and embryos of humans, cattle, mice, and many other animals. Trying to freeze and thaw fish embryos, however, has been more ...

Scientists in China have manipulated embryonic stem cells to create laboratory mice with two male parents that managed to ...

One of the fish’s advantages is clear—literally. Because embryos are transparent and develop outside the mother’s body, scientists can manipulate genes to model human diseases and directly ...

A new study, published today (December 10) in PNAS, reveals that fluoxetine, a commonly used antidepressant that goes by the brand name Prozac, can alter hormone levels and blunt stress responses in ...

Some critics even argue that PGD "encourages the waste of healthy embryos" (Gosden, 2007) because of the fairly high (but not yet firmly established) rate of misdiagnosis associated with the FISH ...