Some starfish made of a brittle material fortify themselves with architectural antics. Beneath a starfish’s skin lies a skeleton made of pebbly growths, called ossicles, which mostly consist of the…
Category: Animals
Deep-sea Arctic sponges feed on fossilized organisms to survive
In the cold, dark depths of the Arctic Ocean, a feast of the dead is under way. A vast community of sponges, the densest group of these animals found in…
Male elephant seals aim to get huge or die trying
If you’re a male northern elephant seal, your car-sized bulk is crucial to your genetic legacy, since only a fraction of the very largest males will have access to mates.…
Gory footage confirms orca pods can kill adult blue whales
Killer whales are skilled assassins, hunting everything from herring to great white sharks. Now, for the first time, scientists witnessed a pod of killer whales bring down the world’s largest…
Vinegar eels can synchronize swim
Trapped within a bead of water, thousands of tiny worms wiggle in hypnotic synchrony as they stream around the globule’s rim. And at the center of this undulating gyre some…
A new device helps frogs regrow working legs after an amputation
The cells of adult frogs seem to remember how to regrow lost legs, and a new chemical kick starter helps them hop to it. Scientists have been seeking ways to…
Gut microbes help some squirrels stay strong during hibernation
Gut microbes give some squirrels a helping hand to stay strong during hibernation. The microorganisms appear to help the squirrels recycle nutrients to keep the rodents’ muscles taut, researchers report…
