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Some deaf children in China can hear after gene treatment
(www.technologyreview.com)
This is a most excellent place for technology news and articles.
This is one of those things that history books later on may say "It started with the best of intentions. Restore hearing and sight, improve quality of life. It ended with the near destruction of mankind".
Edit. For the haters out there, I'm not against it. I am just cautious about such a powerfull new medical field.