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 ...

Jul 14, 2010
3.8 / 5 (4) 1

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 ...

Jul 14, 2010
4.3 / 5 (8) 0 | with audio podcast

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 ...

Jul 14, 2010
5 / 5 (8) 2

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 ...

Jul 14, 2010
5 / 5 (2) 0

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 ...

Jul 14, 2010
4.6 / 5 (14) 0 | with audio podcast

Choir sing their own genetic code

(PhysOrg.com) -- A choir in London, England, has performed a new choral composition in which the choir members sang parts of their own genetic code.

Jul 14, 2010 report
4.8 / 5 (4) 4 | with audio podcast

China plans to approve Nokia's web mapping service

China plans to give mobile phone giant Nokia a licence to offer online mapping services, making it the first foreign firm to be approved since new rules were unveiled in June, an official said Wednesday.

Jul 14, 2010
2 / 5 (1) 0

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 ...

Jul 14, 2010
5 / 5 (3) 2