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Highlights from the September 2008 Journal of the American Dietetic Association
Fri, 29 Aug 2008 00:00:00 -0400
(American Dietetic Association) In May 2006, an agreement was reached by the Alliance for a Healthier Generation and the American Beverage Association on voluntary sales restrictions on "competitive foods" such as soft drinks at schools. However, researchers at Pardee Rand Graduate School say limiting the availability of soft drinks at school may not be enough to affect overall consumption among elementary school children.
Researchers devise means to create blood by identifying earliest stem cells
Fri, 29 Aug 2008 00:00:00 -0400
(Johns Hopkins Medical Institutions) Johns Hopkins researchers have discovered the earliest form of humanblood stem cells and deciphered the mechanism by which these embryonicstem cells replicate and grow. They also found a surprising biologicalmarker that pinpoints these stem cells, which serve as the progenitorsfor red blood cells and lymphocytes.
Caltech scientists create DNA tubes with programmable sizes for nanoscale manufacturing
Fri, 29 Aug 2008 00:00:00 -0400
(California Institute of Technology) Scientists at the California Institute of Technology have developed a simple process for mass producing molecular tubes of identical -- and precisely programmable -- circumferences. The technological feat may allow the use of the molecular tubes in a number of nanotechnology applications.

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