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Earliest humans not so different from us, research suggests

That human evolution follows a progressive trajectory is one of the most deeply-entrenched assumptions about our species. This assumption is often expressed in popular media by showing cavemen speaking in grunts and monosyllables (the GEICO Cavemen ...

Aluminum to replace copper as a conductor in on-board power systems

Electric power and electronics are playing an ever-increasing role in all kinds of vehicles. Currently copper is the conductive material of choice. But in comparison to aluminum copper is heavy and expensive. In particular for fully electric veh...

Brain scans predict likely success when it comes to quitting smoking

New research from University of Michigan says brain scans showing neural reactions can predict behavior change even better than the person whose brain is being scanned. Emily Falk, director of University of Michigan's Communication Neuroscience La...

Can you teach an old doctor new tricks?

PROVIDENCE, R.I. -- When it comes to changing the way physicians practice, guidelines and educational initiatives alone are not effective. An editorial by James A. Arrighi, M.D., a cardiologist with Rhode Island Hospital, explains the effecti...

Sharply focused on neurons, light controls a worm’s behavior

CAMBRIDGE, Mass., Jan. 18, 2011 -- Physicists and bioengineers have developed an optical instrument allowing them to control the behavior of a worm just by shining a tightly focused beam of light at individual neurons inside the organism. The pion...

Distance may be key in successful negotiations, new study shows

Adding physical distance between people during negotiations may lead to more mutually beneficial outcomes, according to new research from The University of Texas at Austin. Psychologist Marlone Henderson examined how negotiations that don't take ...

Big city life may make residents lean toward green, study says

EAST LANSING, Mich. -- The downsides of China's explosive urbanization -- like pollution and greenhouse gas emissions -- now are joined by an upside: Better environmental citizens. It's the first time scientists have weighed employment ...

Researchers show environmental changes may affect vital cooperate bird behaviors

New York, Jan. 11, 2011 -- While scientists believe that climate change and related extreme weather events such as drought and flooding will likely affect the earth's flora and fauna, just how much is not known. A new study by researchers Walter...

Link between depression and inflammatory response found in mice

Vanderbilt University researchers may have found a clue to the blues that can come with the flu -- depression may be triggered by the same mechanisms that enable the immune system to respond to infection. In a study in the December issue of Neurop...

Young female chimpanzees appear to treat sticks as dolls

CAMBRIDGE, Mass. -- The must-have gift for young female chimpanzees this holiday season might be in the Christmas tree, not under it. That's the finding of scientists at Harvard University and Bates College, who say female chimpanzees appear to tr...

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