Some polar bears in Greenland survive on surprisingly little sea ice

“Pihoqahiak” means “ever-wandering one,” and is an Inuit name for the polar bear, a creature known to roam vast expanses of sea ice, sometimes plodding thousands of kilometers a year…

Just 3 ingredients can quickly destroy widely used PFAS ‘forever chemicals’

The undoing of toxic “forever chemicals” may be found in products in your pantry. Perfluoroalkyl and polyfluoroalkyl substances, also known as PFAS, can persist in the environment for centuries. While…

Biocrusts reduce global dust emissions by 60 percent

In the unceasing battle against dust, humans possess a deep arsenal of weaponry, from microfiber cloths to feather dusters to vacuum cleaners. But new research suggests that none of that…

Caribou gut parasites indirectly create a greener tundra

Gut parasites in large plant eaters like caribou thrive out of sight and somewhat out of mind. But these tiny tummy tenants can have big impacts on the landscape that…

Oat and soy milks are planet friendly, but not as nutritious as cow milk

If you’ve got milk, you’ve got options. You can lighten your coffee or soak a cookie, ferment a cheese or bestow yourself a mustache. You can float some cereal or…

Why you should care about ‘The Insect Crisis’

The Insect CrisisOliver MilmanW.W. Norton & Co., $27.95 Imagine a world without insects. You might breathe a sigh of relief at the thought of mosquito-free summers, or you might worry…

Leeches expose wildlife’s whereabouts and may aid conservation efforts

Leeches suck. Most people try to avoid them. But in the summer of 2016, park rangers in China’s Ailaoshan Nature Reserve went hunting for the little blood gluttons. For months,…

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…

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…

An Arctic hare traveled at least 388 kilometers in a record-breaking journey

Arctic hares can go the distance. A member of Lepus arcticus in northern Canada has traveled farther than anyone knew possible. BBYY, as the adult female was known, made a…