6,882 results
6,882 results for: Bears
- Plants
Promiscuous orchids
When pollinators aren't loyal to a single species of orchid, the plants maintain their species integrity by stymieing reproduction.
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Cold Panacea
Two researchers proclaimed 20 years ago that they’d achieved cold fusion, the ultimate energy solution. The work went nowhere, but the hope remains.
- Chemistry
Holey Copper Pipes!
Engineers are homing in on germs and other surprises behind the development of tiny holes in home water pipes.
- Paleontology
Twice upon a Time
New fossil finds suggest that the complex features of mammals originated earlier than previously thought and might even have evolved independently in different mammalian lineages.
- Earth
Hey, What about Us?
The plight of polar bears may get most of the attention as climate change disrupts the Arctic ice, but plenty of other species, from walrus and seals to one-celled specks, are also going to see their world change radically.
- Humans
Humans: Science news of the year, 2008
Science News writers and editors looked back at the past year's stories and selected a handful as the year's most interesting and important in Humans. Follow hotlinks to the full, original stories.
- Animals
Moths’ memories
Sphinx moths appear to remember experiences they had as caterpillars, suggesting some brain cells remain intact through metamorphosis.
- Anthropology
European Roots: Human ancestors go back in time in Spanish cave
Excavations of a cave in northern Spain have yielded a fossil jaw and tooth that provide the first solid evidence that human ancestors reached Western Europe more than 1 million years ago.
- Humans
Little big people
New fossil discoveries elevate ancient Pacific islanders, with disputed implications for controversial hobbit remains in Indonesia.
- Archaeology
Zeus’ altar drew early visitors
Archaeologists have discovered evidence that people used a ceremonial altar to the ancient Greek god Zeus around 5,000 years ago, a millennium before Zeus worship originated.
- Humans
Stone Age seafood fans
Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood
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19915
This article says that the companion star of the pulsar PSR B1516+02B must be “tiny” because it cannot be seen. Isn’t it possible that the companion is made of dark matter? Is there a “wobble” test or other way to discern between a companion that is truly tiny (low mass) and one that is perhaps […]
