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…
Category: Life
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…
Fynbos plants hold their ground with the world’s thinnest roots
Some plant roots draw a line in the sand — literally. In South Africa, you can move between cool, green forest and sunbaked shrubland in a single stride. These narrow…
Earth may have 9,200 more tree species than previously thought
Trillions of trees are growing on Earth, though how many kinds there are has been underestimated, a new study finds. Earth hosts roughly 64,100 known tree species. But there could…
