World Science: Poor people found to get less pain medicine from ER

* Poor people get less pain medicine from
ER, study finds:
As doctors try to discourage narcotics abuse,
statistics suggest strong, opioid pain medications
are preferentially prescribed to the well-heeled.

http://www.world-science.net/othernews/130626_pain


* Ball-shaped robot debuts:
A new robot that takes the form of a rolling ball has
been tested and seems to work fine, researchers say.

http://www.world-science.net/othernews/130621_RoSphere


* Particle may combine nature's building blocks 
in new way:
A newfound particle may consist of four quarks --
fundamental units previously thought to group only
in twos and threes.

http://www.world-science.net/othernews/130618_quark


* Scans might reveal even past brain activity:
Research hints that scientists could probe the brain
and uncover the history of past experiences.

http://www.world-science.net/othernews/130625_brain


* Study confirms contamination near some 
"fracking" sites:
Stray gases seep into the drinking water in some
areas where a controversial energy extraction method
is used, research finds.

http://www.world-science.net/othernews/130624_fracking


* 9/11 stress linked to resurgence in smoking:
The Sept. 11, 2001 attacks led about a million
former smokers across the United States to resume
the habit, a study suggests.

http://www.world-science.net/othernews/130623_smoking


* Applause spreads like "disease":
People pick up the clapping "infection" by hearing
the volume of applause, rather than seeing their
neighbors clapping, a study finds.

http://www.world-science.net/othernews/130620_applause



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