Oceans
Green lights reduce bycatch in fishing nets by 63%
Adding green LEDs to gillnets can reduce bycatch of sharks, turtles, and other animals without affecting the catch of desired species.
The return of sail power
Airseas, a French startup, has just revealed a prototype automated Seawing kite. It is fitted onto a giant Airbus cargo ship and is meant to reduce carbon emissions.
What the ancient, alien jellyfish can tell us about the human brain
The jellyfish nervous system, revealed by glowing genes, may help unlock the secrets of how our own brain evolved.
Magical coral spawning event gives reefs renewed hope
The Great Barrier Reef just had its annual coral spawning event. Scientists say this year’s event is proof that the reef can recover.
Underwater speakers draw fish to restore coral reefs
Reef restoration researchers found that fish were more inclined to settle near new reefs if they sounded like they were already thriving.
Robot penguins are exploring mysterious ocean currents
In an effort to study mysterious ocean eddies, an oceanographer teamed up with a bionics company to build an AUV inspired by penguins.
Emergency sea otters needed to save California’s kelp forests
A conservationist suggests relocating sea otters to Northern California to eat the sea urchins destroying the coast’s vital kelp forests.
US Airman, missing in action, located by underwater drones
Project Recover has located the remains of an airman declared missing in action during the Vietnam War using a fleet of underwater drones.
This beach-cleaning robot is a Roomba for sand
An all-electric, beach-cleaning robot called BeBot can sift through sand to extract pieces of debris too small for traditional systems.
Rarely seen glass octopus caught on film
An underwater robot has recorded stunning footage of a glass octopus, an almost completely transparent cephalopod rarely caught on film.