6,907 results
6,907 results for: Bears
- Life
Giant beavers had hidden vocal talents
With air passageways in its skull like no other animal known, an extinct outsized rodent may have made sound all its own.
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19601
Nothing was said in your article about the situation in Canada, where killing bears for their gallbladders and paws is a serious problem. I suggest that you contact TRAFFIC North America and the World Wildlife Fund–Canada for detailed information on the problem in Canada. Abby SchwarzVancouver, British Columbia The article states, “Traditional medicine has been […]
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19678
This article reported that years ago it was discovered that certain male mice eradicate cancer cells and that white blood cells from these mice make normal mice cancer resistant. It also reported that it is superpremature to look forward to clinical applications. It would seem that aggressive searches for remission of cancer in humans with […]
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19798
Your article shows that meerkats bear an uncanny resemblance to human beings. We, too, have an innate sense of responsibility for our group and individually commit acts of unspeakable violence. John HagerhorstFrederick, Md.
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19806
I find it absolutely incredible that anyone is seriously contemplating an escalation of “natural” herbicides as mentioned in this article. As there is no “additive” sprayed on the crop, no testing is likely in animal or human clinical trials. We in the first world must bear the brunt of this wholesale testing on populations, as […]
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19839
Rather than concluding that the object that hit Canada 12,900 years ago was a comet, I wonder whether there might not be an alternate reason that geologists haven’t discovered a large hole. If a meteor hit a kilometer-thick glacier, would it have left a crater in the rock underneath the ice? Peter ShorWellesley, Mass. Scientists […]
- Life
A giant penguin plumed in earth tones
The first well-preserved feathers of 36-million-year-old diving bird give clues to color and evolution.
- Chemistry
Basic tool for making organic molecules wins chemistry Nobel
Three researchers get prize for developing methods that use the metal palladium to catalyze the synthesis of complex carbon carbon-containing molecules for drugs, electronics and other applications.
- Science & Society
2010 Nobels recognize potential of basic science to shape the world
Prizes go to IVF, graphene and ‘carbon chemistry at its best’
- Animals
Doing the wet-dog wiggle
Hairy animals have evolved to shed water quickly by shaking at the optimal speed for their size.
- Planetary Science
New rock type found on moon
Odd spots on the lunar farside could be ancient material that originated deep inside the moon.
- Humans
Ancient hominid butchers get trampled
Bone marks advanced as evidence of stone-tool use to butcher animals 3.4 million years ago may actually have resulted from animal trampling, scientists say.
