Just how many species are there, anyway?
One barrier to protecting biodiversity is that there are no good ways of figuring out how many species there are in large areas. Now we may finally be able to find out: a new method accurately predicts the total number of North American butterfly species even wh...World's largest scientific society convenes regional meeting June 12-14 in Bozeman, Mont.
...ial Innovation Award on June 13 for making durable barrier coats that protect electronic displays from moisture and oxygen. Richard P. Haugland of Molecular Probes, Inc., of Eugene Ore., will receive an ACS Industrial Innovation Award on June 13 for developing new tools to aid scientific discoveries. Ad...JCI table of contents, 16 June 2003
...ransplantation field may have underappreciated the barrier that memory to previous viral infections in the re...ns. TITLE: Heterologous immunity provides a potent barrier to transplantation tolerance AUTHOR CONTACT: Christian P. Larsen Emory University, School of Medici...Human stem cells improve movement in paralyzed rats
... the spinal cord was thought to be an impenetrable barrier to axon growth, but some of the transplanted cells not only migrated into the spinal cord, but also sent axons back out. It is just incredible." "These are important first steps as we begin to analyze the potential of various types of stem cells in d...UC Riverside is part of new initiative to share patented research on agriculture
... the technologies it has itself invented, posing a barrier to the applications of biotechnology in the development of new crops. PIPRA 's immediate objectives are to review public sector patenting and licensing practices, develop a collective public intellectual property asset database, and making shared te...JCI table of contents, July 15, 2003
...or the podocyte slit diaphragm as a size-selective barrier for plasma macromolecules in the kidney, and extensive progress has been made in identifying key proteins contributing to the structure and function of this filter. Researchers from Northwestern University, Chicago, Illinois, now show that Neph1 is l...New marine protected area to safeguard world's largest fish
...ne of the greatest crown jewels in the Mesoamerica barrier reef, the second largest coral reef on the planet," said Dr. Sylvia Earle, Executive Director of Conservation International's Global Marine Program. "As we hear stories about the precipitous declines of fish populations all around the world, it becom......es: Diabetic feral swine on a southeastern coastal barrier island" will be part of Oral Session #42: Mammal Ecology: From Mice to Elephants, held Wednesday, August 6, 8 AM 11:30 AM, SITCC, Meeting Room 104. Somewhere over the course of the nearly 500 years in which they have roamed their island habitat, the...Open Access Initiative from Oxford Journals
... make research freely available online without the barrier of a subscription to access. NAR will adopt an author-funded publishing model for a key section of the journal (the annual Database Issue published in January 2004), with these papers being freely available online from the moment they are published....Salk news: gene therapy for Lou Gehrig's disease
...been to deliver the protein across the blood-brain barrier into the central nervous system. By injecting our viral vector into muscles, the gene could then deliver the protein into nerve cells that controlled the muscle, resulting in the preservation of those nerve cells that would otherwise have succumbed m...Gene therapy delays death in mouse with symptoms of Lou Gehrig's disease
...been to deliver the protein across the blood-brain barrier into the central nervous system." Studying a fluorescent version of the adeno-associated virus, Salk research fellow Brian Kaspar discovered that it could travel from muscles into nerves. Once in the nerves' nuclei, the cells' machinery pumped out ...Scientists at TSRI create new strain of yeast with 21-amino acid genetic code
...to that question may be elusive, the 20-amino acid barrier is far from absolute. In some rare instances, in fact, certain organisms have evolved the ability to use the unusual amino acids selenocysteine and pyrrolysine--slightly modified versions of the amino acids cysteine and lysine. These rare exceptions...Tipping the balance of prion infectivity
...species and what causes the invisible transmission barrier between species to fail sometimes? In experiments... found that these mutations created a transmission barrier -- such that for example, the chimeric prion mutated to favor the Sc-infecting form no longer infect...Laboratory 'theme park' re-creates RNA world for study
...t RNA could have catalyzed and evolved outside the barrier of a cell membrane without just drifting off. Bar...akes seriously the need for some kind of cell-like barrier or garbage bag. "If our lab is able to demonstrate that RNA can replicate RNA, a next step would be......************* Meningitis beats up the blood-brain barrier Meningitis occurs when pathogens in the blood cross the tightly sealed blood-brain barrier (BBB). Kelly Doran and colleagues from the University of California, San Diego, have closely examine...JCI Table of Contents, September 15, 2003
...y. They are also able to penetrate the blood-brain barrier that often prevents potentially beneficial drugs from entering the brain. D-beta-HB may therefore be considered as a novel form of neuroprotective therapy in the treatment of Parksinson disease. TITLE: D-beta-Hydroxybutyrate rescues mitochondrial res...Open access initiative from the Company of Biologists
...mode of publishing, which removes the subscription barrier and allows all internet users completely free access to the material. Authors choosing to take advantage of the open access alternative will be charged a publication fee, which, as an introductory offer, will be heavily subsidised by the Company of B...Huge iceberg wreaks havoc on Antarctic marine ecosystem, study finds
...a shallow bank, eventually forming a perpendicular barrier that prevented sea ice from moving out of the southwestern Ross Sea for the next three months -- a crucial time of year when tons of microscopic marine algae, called phytoplankton, normally bloom in open water. Phytoplankton are a major food source ...Public Library of Science launches PLoS Biology
..., PLoS Biology is addressing an important cultural barrier to open access publishing. "Scientists have always strongly supported the idea of open access, but many have been reluctant to publish their best work in new open access journals that lack the prestige of established journals like Science or Nature......ight. "In one case where a gully formed an escape barrier for elk, the tree height went up proportionally as the gully deepened and formed an increasing barrier to escape," said William Ripple, a professor with the College of Forestry at OSU. "Where the fear fa...