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6,871 results for: Bears
- Life
Running a cancer roadblock
A new study shows how cells escaping from a breast tumor overcome a piece of RNA that usually stops them.
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On Thin Ice: The Changing World of the Polar Bear by Richard Ellis
The natural history of polar bears entwines with human history in this science writer’s ode to the world’s largest land carnivore. ON THIN ICE: THE CHANGING WORLD OF THE POLAR BEAR BY RICHARD ELLIS Alfred A. Knopf, 2009, 400 p., $28.95.
By Science News - Humans
Climate researcher speaks out
BLOG: Michael Mann says scientists have lost control of the public message about climate change, Alexandra Witze reports from the Council for the Advancement of Science Writing meeting.
- Plants
Chlorophyll gets an ‘f’
New variety of photosynthetic pigment is the first to be discovered in 60 years
- Humans
Water’s Edge Ancestors
Human evolution’s tide may have turned on lake and sea shores.
By Bruce Bower - Psychology
Sometimes, happiness is for bozos
Despite its benefits, happiness and its pursuit has risks, as writer Bruce Bower describes in a humorous report from the recent meeting of the Society for Personality and Social Psychology.
By Bruce Bower - Planetary Science
New rock type found on moon
Odd spots on the lunar farside could be ancient material that originated deep inside the moon.
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White House science adviser discusses next two years
Just over a month after the midterm elections, President Obama’s science adviser took the podium in San Francisco at the American Geophysical Union meeting. John Holdren, a physicist and climate scientist, said the White House is making strides in improving the nation’s science and technology policies. Later that week, Holdren’s Office of Science and Technology […]
By John Holdren - 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.
By Bruce Bower - Animals
Female chimps play with ‘dolls’
Youngsters mimic mothering by cradling sticks, reigniting debate over sex differences in toy choices.
By Bruce Bower -
2010 Science News of the Year: Genes & Cells
Credit: © Joe McNally/reconstruction by Kennis and Kennis Gene sequencing for all, even Neandertals An unprecedented picture of life’s diversity is emerging as researchers publish the full genetic instruction books of a growing list of species — including one that has been extinct for more than 30,000 years. A project sequencing Neandertal DNA harvested from […]
By Science News - Humans
Intel Science Talent Search picks top 40
High school researchers to present original work in Washington, D.C.