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Jump rope aerodynamics

WASHINGTON, D.C., November 21, 2010 -- Jump ropes are used by kids for fun and by athletes for training. But what about the underlying physics? How do jump ropes work? Can important engineering principles be studied? Jeff Aristoff and Howard Stone...

Should airplanes look like birds?

WASHINGTON, D.C., November 21, 2010 -- Airplanes do not look much like birds -- unless you were to imagine a really weird bird or a very strange plane -- but should they? This question is exactly what a pair of engineers in California and South Afr...

Air flows in mechanical device reveal secrets of speech pathology

WASHINGTON, D.C., November 22, 2010 -- From a baby's first blurted "bowl!'" for the word "ball" to the whispered goodbye of a beloved elder, the capacity for complex vocalizations is one of humankind's most remarkable attributes -- and perhaps one we...

Army-funded technology detects bacteria in water

November 10, 2010 -- To keep soldiers in the battlefield healthy, the U.S. Army is exploring new ways to detect harmful bacteria in water. Current techniques for analyzing water in the field can take as long as 24 hours to complete, according to ...

Identifying subsets of patients who will respond to subsequent lines of...

In a study presented at the 35th Congress of the European Society for Medical Oncology (ESMO), Dr Giovanni Bernardo from Fondazione Maugeri in Pavia, Italy, presented results that suggested it may be possible to identify subsets of metastatic brea...

Deep plumes of oil could cause dead zones in the Gulf

WASHINGTON -- A new simulation of oil and methane leaked into the Gulf of Mexico suggests that deep hypoxic zones or "dead zones" could form near the source of the pollution. The research investigates five scenarios of oil and methane plumes at dif...

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