6,901 results
6,901 results for: Bears
-
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 […]
-
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.
- Earth
Climate action could save polar bears
Cutting fossil fuel emissions soon would retain enough sea ice habitat for threatened species, scientists say.
- Animals
Female chimps play with ‘dolls’
Youngsters mimic mothering by cradling sticks, reigniting debate over sex differences in toy choices.
- Life
Old amoebas spawn their farms
Some slime molds use a simple form of agriculture to ensure a steady food supply.
- Humans
Intel Science Talent Search picks top 40
High school researchers to present original work in Washington, D.C.
