lt;p><span style="font-weight: 400;">Ocean creatures use sound to help them decide where to live, and scientists are using underwater speakers to lure sea life back to ailing reefs — which could help save them.</span></p>
Sounds of a healthy ocean can bring degraded marine ecosystems back to life - The Washington Post
Installation underway of 15 acres of 3D-printed artificial reefs in coastal North Carolina - ABC News
Artificial reef in Red sea teems with life
Reef
How 3D Printing is Helping to Save Dying Coral Reefs - GrabCAD Blog
How can we save our dying coral reefs?
The Future of Coral Reefs: How Mass-Produced 3D Printed Coral Reefs Could Be The Solution, by Christopher Howard
Hundreds of Molecules Explain the “Taste” and “Smell” of Coral Reefs
Putting loudspeakers in the ocean can help coral reefs, says marine biologist
