When you were first conceived, you were a single cell. From this basic fact, we can extrapolate a few things, most especially that all the cells that make up your body today came (indirectly) from ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Matthew Cordes, University of Arizona (THE CONVERSATION) Spiders are among Earth’s ...

Creating human eggs from adult cells just got one step closer to reality. A technique used in cloning combined with fertilization and a bit of chemical coaxing caused human skin cells to produce eggs ...