Archive: 07/14/2010

Tea contains more fluoride than once thought

Black tea, a Southern staple and the world's most consumed beverage, may contain higher concentrations of fluoride than previously thought, which could pose problems for the heaviest tea drinkers, Medical ...

dateJul 14, 2010 in Health
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Rainbow trapping in light pulses

Over the past decade, scientists have succeeded in slowing pulses of light down to zero speed by letting separate frequency components of the pulse conspire in such a way that a receptive medium through which the pulse is ...

dateJul 14, 2010 in General Physics
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Fascinating images from a new world

The ESA space probe Rosetta flew past the Lutetia planetoid at around 6 p.m. CEST on Saturday. The OSIRIS camera system, built and developed under the direction of the Max Planck Institute for Solar System ...

dateJul 14, 2010 in Space Exploration
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Moving polymers through pores

The movement of long chain polymers through nanopores is a key part of many biological processes, including the transport of RNA, DNA, and proteins. New research reported in The Journal of Chemical Physics, which ...

dateJul 14, 2010 in Polymers
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A simple quantum dynamics problem?

Research reported in The Journal of Chemical Physics, which is published by the American Institute of Physics, provides the first real-time measurements of the time dependence of the individual steps of dis ...

dateJul 14, 2010 in General Physics
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Scientists say Gulf spill altering food web

(AP) -- Scientists are reporting early signs that the Gulf of Mexico oil spill is altering the marine food web by killing or tainting some creatures and spurring the growth of others more suited to a fouled ...

dateJul 14, 2010 in Environment
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