Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

Embryos from resistant (left) and sensitive (right) populations of Gulf killifish dosed at the same concentration of industrial contaminants. Resistant population embryo develops a normal, two ...

Kathryn Kavanagh does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...