Sound to heal reefs, bites to spur blooms, and other wonders

Scientists looking for solutions to human and environmental ills are playing audio underwater, growing new heart tissue, and more.

This story appears in the October 2020 issue of National Geographic magazine.
This content is Subscriber-Exclusive
You must have a National Geographic subscription to explore this article.

More from this series

Cuttlefish glasses, counting strings, and other novel tools
An insect’s surprising way of seeing, and other revelations
Beetle behinds, flamingo friendships, and other wonders

Go Further

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet