science
This Controversial Doctor Wants to Use ‘Three-Parent’ Embryos to Treat Infertility

Last autumn, John Zhang made headlines after his fertility clinic announced that for the first time a baby had been born using a new technique requiring three genetic parents. The baby’s mother carried the genes for a fatal nervous system disorder called Leigh syndrome, but Zhang had been able to keep the disease from being inherited by her son by swapping in a donor’s mitochondrial DNA, the teeny bit of DNA where Leigh syndrome is housed. Since the technique is illegal in the US, the baby had been born in Mexico, where, as Zhang explained in a comment he might live to regret, “there are no rules.” Read More >>

science
Newcastle Fertility Clinic Has Just Been Granted Permission to Make ‘Three-Parent’ Babies

A fertility clinic in Newcastle was just granted permission to start performing what’s known as the ‘three-parent baby’ technique, a controversial in vitro fertilisation procedure that prevents genetic diseases from being passed on to children by giving them three genetic ‘parents’. Read More >>

science
A Flaw Has Been Detected in a Ground-Breaking Fertility Treatment

Scientists say a groundbreaking fertility treatment to correct potentially harmful genetic mutations has the potential to backfire, recreating the exact mutation the intervention was meant to fix. It’s a problem that could put an immediate halt to the pending practice—but a work-around may be possible. Read More >>