6,875 results
6,875 results for: Bear
- Ecosystems
New videos reveal the hidden lives of Andean bears
The footage give clues to the range of plants the bears eat and how they mate, information important for conservation.
- Animals
Polar bears are being exposed to more pathogens as the climate warms
Polar bears have been exposed to more viruses, bacteria and parasites in recent decades, a new study shows, possibly acquiring the germs in their diet.
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Which animal should scare you more?
Editor in Chief Nancy Shute discusses which should scare you more: sharks or ticks and fungus — and why sharks might actually be the least of your worries.
- Space
A NASA rover finally found Mars’ missing carbon
The Curiosity rover identified hidden caches of the mineral siderite, which could help explain why Mars lost its habitable climate.
- Paleontology
Sloths once came in a dizzying array of sizes. Here’s why
A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.
- Archaeology
Neandertals may have hunted in horse-trapping teams 200,000 years ago
A revised age for a German site indicates that our evolutionary cousins organized horse ambushes around 200,000 years ago.
- Science & Society
Will the Endangered Species Act survive Trump?
President Trump has already begun to introduce changes that weaken the Endangered Species Act, a cornerstone of U.S. conservation law.
- Chemistry
Modified bacteria convert plastic waste into pain reliever
With genetic tweaks, E. coli turned 92 percent of broken-down plastic into acetaminophen, charting a path to upcycle plastic waste sustainably.
- Anthropology
Rare books covered with seal skin hint at a medieval trade network
The furry seal skins may have made their way to French monasteries from as far away as Greenland.
- Archaeology
Stone Age hunter-gatherers may have been surprisingly skilled seafarers
New archaeological finds in Malta add to an emerging theory that early Stone Age humans cruised the open seas.
- Archaeology
Ancient Arabian cymbals ring up Bronze Age musical connections
Copper instruments discovered at a 4,000-year-old site in Oman echo ritual influences from South Asia.
- Animals
Ximena Velez-Liendo is saving Andean bears with honey
By training beekeepers, biologist Ximena Velez-Liendo is helping rural agricultural communities of southern Bolivia coexist with Andean bears.
