Using sound to repair and heal
A fascinating article in Stanford Medicine Magazine reveals different ways in which sound is being used in medicine.
While music has long been known to "soothe the savage breast", today science uses sound and vibration, inaudible to humans, to repair hearts or identify seizures. Heart cells can be shuffled into place using vibration, much as in the video below, and ultrasound can power implantable chips to monitor body functions. You can read the whole article here.
With thanks to the reader who sent this link in.