Researchers at the Royal Melbourne Institute of Technology took stem cells and treated them with high-frequency sound waves, which was enough to convert them into bone cells. Plus: today in 2018, runner Murielle Ahoure found an ingenious way to celebrate her country after a big win.
Sonic advance: How sound waves could help regrow bones (RMIT)
World Indoor Championships: Ivory Coast's Ahoure celebrates 60m gold with Irish flag (BBC)
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