It's time to extend the legal limit on human embryo research from 14 to 28 days, because technology and knowledge have moved on during the 40 years since it was introduced, urges a leading ethicist in ...

A decades-old rule, in which research scientists are forbidden to experiment on human embryos beyond the 14-day mark, is being challenged by a British bioethicist, who says the rule is outdated, ...

Instead of a sperm and egg, the starting material was naive stem cells which were reprogrammed to gain the potential to become any type of tissue in the body. Chemicals were then used to coax these ...

‘To experiment on human embryos that are up to 14 days old — extremely vulnerable human lives — is already a grave injustice and a form of exploitation,’ says U.K. scientist. The International Society ...

An international team of bioethicists and scientists, led by a researcher at Case Western Reserve University, contends it may be justified to go beyond the standing 14-day limit that restricts how ...

The dialogue findings provide an initial snapshot of public opinion on human embryo research, and that of stem cell embryo models, and aim to inform future public consultation, policy development and ...

Scientists have grown an entity that closely resembles an early human embryo, without using sperm, eggs or a womb. The Weizmann Institute team say their "embryo model", made using stem cells, looks ...