Oceans

Green lights reduce bycatch in fishing nets by 63%
The return of sail power
What the ancient, alien jellyfish can tell us about the human brain
Magical coral spawning event gives reefs renewed hope
Underwater speakers draw fish to restore coral reefs
Robot penguins are exploring mysterious ocean currents
Emergency sea otters needed to save California’s kelp forests
US Airman, missing in action, located by underwater drones
This beach-cleaning robot is a Roomba for sand
Rarely seen glass octopus caught on film