An international team of experts in embryology and bioethics has published the first white paper on the use of embryonic ...

In seasonally breeding mammals and birds, the production of the hormones that regulate reproduction (gonadotropins) is controlled by a complex pituitary-brain-pituitary pathway. Indeed, the pituitary ...

Protocells are believed to have existed on early Earth prior to the emergence of prokaryotes. Due to their rudimentary nature, it is widely accepted that these protocells lacked intracellular ...

Humans aren't the only biological systems capable of breaking generational cycles: The cells that make us are, too. New research shows that cells detect when their parent had difficulty dividing and ...