Birds create songs by moving muscles in their vocal organs to vibrate air passing through their tissues. While previous research reported that each of the different muscles controls one acoustic feature, new research shows that these muscles act in concert to create sound.
from - https://phys.org/news/2018-07-synthetic-song-zebra-finch-muscle.html
Just testing out what happens when I click on this. Where is the discussion thread created??
Now I can't figure out how to delete this