Add Yahoo as a preferred source to see more of our stories on Google. A 3-year-old born deaf now hears naturally after a world-first gene therapy restores her hearing. (CREDIT: Jo and James Sandy) ...

When she was born, doctors informed Opal Sandy’s parents that their child would never hear. At the age of 11 months, she had not reacted even to the most noise. Two years later, the same child now ...