Rewriting your DNA is getting closer to reality: A revolutionary technology is opening new frontiers for genetic engineering - a promise of cures for intractable diseases along with anxiety about designer babies.
Hundreds of scientists and ethicists from around the world are gathering in Washington this week to debate the boundaries of human gene editing, amid worry that the fast-moving research may outpace safety and ethics scrutiny.
It's a question that gained urgency after Chinese researchers made the first attempt at editing . . .
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