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Home of immune memory found

By | May 7, 2009

New findings overturn a major model of where immune memory is stored. Rather than circulating throughout the body, as researchers had thought, memory T-cells actually reside in a comfortable niche in the bone marrow waiting for the next chance to fight infection, according to a linkurl:new article;http://www.cell.com/immunity/abstract/S1074-7613(09)00187-3 published online in __Immunity__ today (May 7th). "It's very exciting data," said Antonio Lanzaveccia from the Institute for Research in B

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New protein offers inside view

By | May 7, 2009

New labeling proteins that fluoresce in the infrared spectrum allow scientists to see deep inside the body of living mammals without lifting a scalpel, according to a study published in Science tomorrow (May 8). Image: Xiaokun Shu, UCSD Researchers in the lab of linkurl:Roger Tsien,;http://www.tsienlab.ucsd.edu/ who received the 2008 Nobel Prize in Chemistry for his role in the development of green fluorescent protein (GFP) to label tissue, have now come up with a new marker, called infrared-f

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Science scores in 2010 US budget

By | May 7, 2009

Overall, federal science fares well in President Barack Obama's recently announced FY2010 linkurl:budget,;http://www.whitehouse.gov/omb/budget/Overview/ but the National Institutes of Health would net a pretty paltry increase under the president's plan. In the proposal, the NIH stands to get slightly more than $30.8 billion in 2010. This would represent a $443 million, or 1.5%, bump over the NIH's 2009 budget. Kathleen Sebelius, our newly crowned Department of Health and Human Services Secretar

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Hobbit origins from head to toe

By | May 6, 2009

Ever since 2003, when researchers found the skeletal remains of a diminutive, human-like creature--dubbed the Hobbit--on an island in Indonesia, a debate has raged over whether the find represents a new species or a just deformed population of an existing species. Two papers appearing in __Nature__ today--one addressing the shape of its feet and the other the size of its head--confirm that __Homo floresiensis__ is in fact a separate species, but each posits slightly different evolutionary origin

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EU OKs primate research

By | May 5, 2009

Research involving non-human primates was given the go-ahead today (May 5) in an initial vote by the European Parliament, although legislators called for most basic testing on great apes to be outlawed. Image: Understanding Animal ResearchThe new parliamentary directive "strikes a compromise between ensuring that research can continue in the EU and improving animal welfare," linkurl:Neil Parish,;http://www.neilparish.co.uk/ a Conservative Member of the European Parliament (MEP) from the UK, sai

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A new path for HIV entry

By | April 30, 2009

A new study overthrows a long-held theory on how HIV finds its way into host cells. Rather than fusing directly with the host cell membrane, the virus is first engulfed by it to form a vesicle that releases its contents into the cytoplasm, a study published tomorrow (May 1) in __Cell__ reports. linkurl:The findings;http://www.cell.com/abstract/S0092-8674(09)00268-2 may suggest other therapeutic avenues for targeting HIV, the researchers say. A single virus (yellow) co-labeled with amembrane (r

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Grafts guide gene exchange

By | April 30, 2009

When two plants are grafted together, they share much more than water and minerals: They also swap genetic material, according to a linkurl:study;http://www.sciencemag.org/cgi/content/summary/324/5927/649 published in tomorrow's (May 1) issue of __Science__. These findings muddy the distinction between naturally-occurring gene transfer in plants and the human-mediated mechanisms we generally refer to as genetic engineering. Image: Science/AAASEver since Soviet and Western scientists in the 1960

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Merck published fake journal

By | April 30, 2009

Merck paid an undisclosed sum to Elsevier to produce several volumes of a publication that had the look of a peer-reviewed medical journal, but contained only reprinted or summarized articles--most of which presented data favorable to Merck products--that appeared to act solely as marketing tools with no disclosure of company sponsorship. Image: flicker/linkurl:meviola;http://www.flickr.com/photos/69659670@N00/ "I've seen no shortage of creativity emanating from the marketing departments of

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Along came a sadistic spider

By | April 29, 2009

Arachnophobes beware: Researchers have discovered a male spider in the Judean foothills of Israel with a sadistic sexual perversion. Males of the aptly named __Harpactea sadistica__ spider jab their spiked copulatory organs into the body walls of female spiders to inject their sperm and outcompete rival males -- an arachnid first, according to a study published online tomorrow (Apr. 29) in the Proceedings of the Royal Society B. Image: Milan ŘezáčStabbing sex, also known as traum

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New HHS head takes on swine flu

By | April 29, 2009

As news of the first American swine flu death--a 23-month-old baby in Texas--broke yesterday, the US Senate confirmed Kansas Governor Kathleen Sebelius's appointment to head the US Department of Health and Human Services (HHS), and she got right to work voicing the government's response to the potential pandemic. This morning (April 29), the new HHS secretary--backed by acting Center for Disease Control director Richard Besser, National Institute of Allergy and Infectious Diseases director Anth

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