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Retracted author denies wrongdoing

By | March 6, 2008

The co-lead author of an olfactory paper retracted yesterday from Nature by Nobel laureate Linda Buck says he stands behind the conclusions and does not admit any wrongdoing.

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Brazil court to rule on stem cells

By | March 5, 2008

Brazil's Supreme Court will rule today (March 5) on the linkurl:legal status;http://www.the-scientist.com/article/display/15348/ of scientists using human embryos, following an appeal that embryonic stem cell research is "unconstitutional." In March 2005, the Brazilian parliament passed legislation allowing scientists to work with stem cells derived from human embryos. That law approved research with embryos produced by in vitro fertilization and frozen for at least three years. But only months

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Nobel laureate retracts Nature paper

By | March 5, 2008

Nobel laureate and olfactory researcher Linda Buck has retracted a paper published in Nature in 2001, after her team failed to reproduce the results.

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The placental origin of HSCs

By | March 5, 2008

Hematopoietic stem cells (HSCs) are generated in the placenta, before the circulatory system is fully operational, researchers report is this week's issue of linkurl:Cell Stem Cell.;http://www.cellstemcell.com/ The finding offers researchers a better shot at defining the microenvironment required to grow HSCs in vitro. Researchers have known that the placenta holds a reserve of HSCs, and had observed that when placental HSCs decline in number, the liver's reserve expands. Here, Katrin Rhodes a

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A new proposal for citation data

By | March 4, 2008

Researchers have proposed a new scheme for ranking the quality or impact of scientific journals that they say is more accurate than the Impact Factor, according to a linkurl:paper;http://www.plosone.org/article/fetchArticle.action?articleURI=info:doi/10.1371/journal published last week in PLoS ONE. Rather than relying on an average of citations to rate a journal, the system uses a mathematical model to characterize the typical number of citations that papers in specific journals are likely to r

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Farewell to pharma freebies?

By | March 4, 2008

Massachusetts may become the first state with a complete ban on pharmaceutical company freebies to doctors. The president of the Massachusetts Senate, linkurl:Therese Murray;http://www.mass.gov/legis/member/t_m0.htm (D), yesterday (March 3) filed a bill that seeks to reduce linkurl:conflicts of interest;http://www.the-scientist.com/blog/display/54300/ and healthcare costs by stemming the flow of gifts from pharmaceutical companies to doctors in the state, according to linkurl:__The Boston Globe

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Korean researcher fired for fraud

By | March 3, 2008

A South Korean scientist who once said he wanted "to become another Hwang Woo-Suk for Korea" has come ironically close to his goal. Kim Tae-kook, a bioscience professor at the Korea Advanced Institute of Science and Technology (KAIST) in the central South Korean city of Daejeon, was suspended on Friday for fabricating data in two papers, according to Agence France-Presse (AFP). linkurl:One of the papers;http://www.sciencemag.org/cgi/content/full/309/5731/121, published in Science in 2005, deve

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Submit NIH peer review notes now

By | March 3, 2008

The NIH has placed a March 17 deadline for feedback on its linkurl:final suggestions;http://enhancing-peer-review.nih.gov/meetings/NIHPeerReviewReportFINALDRAFT.pdf on how to change peer review at the agency. You can find information about how to contact the agency on its linkurl:Web site;http://enhancing-peer-review.nih.gov/ about the review process. Thanks to the linkurl:Medical Writing, Editing, and Grantsmanship blog;http://writedit.wordpress.com/2008/03/ for providing a heads up of the d

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miRNA controls skin cell growth

By | March 2, 2008

A linkurl:microRNA;http://www.the-scientist.com/news/display/25713/ mechanism may lie at the heart of why some skin cell growth goes unchecked, according to a paper published linkurl:today; in Nature. The authors found that one microRNA regulates the differentiation of progenitor skin cells into the stratified outer layers of the skin. linkurl:Elaine Fuchs,;http://www.rockefeller.edu/labheads/fuchs/intro.php from Rockefeller University, led the study and tracked the expression of each skin-as

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Big tobacco stubs out research money

By | February 29, 2008

Big tobacco is pulling its money out of academic research -- kind of. Tobacco company Philip Morris told researchers in September of last year that it was ending its controversial extramural research program, Science linkurl:reported;http://www.sciencemag.org/cgi/content/summary/319/5867/1173a today. But some funding from the company remains. The news of the ended sponsorship spread this month when University of California President Robert Dynes noted in a February 5 letter to the UC chancell

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