The embryo rule shows how much our leaders can learn from science | Deborah Orr

Researchers want to reassess the 14-day limit, but this will happen only after a sensitive and wide-ranging ethical discussion

Scientists have maintained the life of human embryos outside the womb for 13 days. Or, as they might put it, have grown blastocysts on an "in vitro implantation platform" to the brink of mesoderm formation. Whatever. It's a big deal.

Related: It's time to extend the 14-day limit for embryo research | John Harris

Continue reading...