How roots control plant shoots
...t is small, easy to handle, lives only seven weeks from seed to seed, and fertilizes itself so mutant stra...ly unknown plant hormone a chemical probably made from carotenoids is involved. Carotenoids include well-known substances such as beta carotene in carro...Talented sniffer: A receptor known for guiding sperm to egg plays a role in the nose
...iffing test" as well as with electrical recordings from nasal sensory tissue (by electro-olfactogram). The findings show that, interestingly, the basic receptor function of hOR17-4 seems to be identical in both human sperm and olfactory neurons. In light of their findings, the authors propose a model in w...Research team develops nonhuman primate model of smallpox infection
...t of diagnostic and therapeutic approaches. "Aside from the technical accomplishments, what's notable abou...ers are the first significant publications to come from those efforts." In addition to Jahrling and LeDuc, the research team included Lisa E. Hensley, John ...New Stanford center probes nanoscale material
...aid. The center is interdisciplinary, with faculty from many departments represented. Hongjie Dai from the Chemistry Department, for example, has developed a wafer-scale process for fabricating carbon na...Stanford researchers establish center for physics-based simulations of biological structures
...ists worldwide to model biological systems ranging from molecules to whole organisms. SimBioS is one of f...ies and speed the transfer of research discoveries from the benchtop to the bedside. "There has been over the last couple of decades a lot of progress in s...Daphne Koller named MacArthur Fellow
... her bachelor's (1985) and master's (1986) degrees from the Hebrew University of Jerusalem, followed by a doctorate (1993) from Stanford. She was a postdoctoral fellow at the University of California-Berkeley from 1993 to 1995, ...Stanford cooling tool may improve performance of athletes, soldiers
...ork in extreme heat. "We literally cool the body from the inside out, rather than from the outside in, which is the conventional method," explains Senior Research Scientist Dennis Grahn, ...Mayo Clinic awarded major NIH contract for smallpox genomics research
...ting the health of people worldwide." The contract from the National Institute of Allergy and Infectious Diseases is for $10.2 million over five years and supports establishment and operation of a Population Genetics Analysis Program. The programs would investigate immune-response gene polymorphisms that...Pine cones lead to a fundamental change in clothing
... to represent UK science at the Expo 2005 in Japan from March to September next year, whose theme is Natur...he moisture and automatically open up, so that air from the outside can get through the material to cool the wearer. When the wearer stops sweating, the spi...Internet data-mining of natural history
...d at Cornell University, with a $2.6 million grant from the National Science Foundation (NSF) to the Corne...everal the Cornell Lab of Ornithology has received from NSF for its efforts to develop Internet-based data collection and dissemination. In recent years, th...Plants provide model for new shape-changing materials
...uctures to expand and contract, we hope to move on from the morphing wings to other applications that require structures that can produce large shape changes. An example might be a compact container that will deploy into an antenna after it is transported to a particular location," Leo said. "Biological ...Intelligent clothing inspired by pine cones
... to represent UK science at the Expo 2005 in Japan from March to September next year, whose theme is Natur...he moisture and automatically open up, so that air from the outside can get through the material to cool the wearer. When the wearer stops sweating, the spi...Below the surface: New clues to plant signaling from the roots
...nt of their shoot and root structures with signals from the environment is a major unsolved problem in pla...oots are able to effect this developmental control from afar. Several characterized plant hormones, such as cytokinin and abscisic acid, are thought to be t...Head lice reveal contact between modern and ancient humans
...t and that the New World lineage remained isolated from the worldwide one for most of the past 1.18 million years. It is unlikely, the authors argue, that two ancient louse lineages could embark on such different evolutionary histories on the back (or head) of a single host. More likely, the New World lou...Dying cells encourage neighbors to grow
Researchers from The Rockefeller University have uncovered specific...Steller and colleagues demonstrate that when cells from the imaginal disc in the fruit fly Drosophila are stimulated to undergo apoptosis but experimentally...Annals of Internal Medicine tip sheet for Oct. 5, 2004
... indigenous transmission of malaria was eradicated from the United States in the late 1940s, every year about 1,500 malaria cases occur. Most infections occur in people who travel abroad, and one of every 100 U.S. travelers with diagnosed malaria die. Researchers looked at records of U.S. travelers in...Running not swimming or biking is best kind of loading exercise for childrens bone growth
...rly understood, "yet several pathways are emerging from current research." These include ion channels in the cell membrane, ATP (adenosine triphosphate) signaling, and second messengers such as prostaglandins and nitric oxide. Specific targets of mechanical loading include the L-type calcium channel (alph...NIH funds first nationaL SNP genotyping center at Broad Institute
...ir, or unit of DNA, the sequence of which can vary from individual to individual. It is estimated that th...ly operational, the center will be able to process from 200 million to as many as billions of genotypes per year, depending on the technology platform used ...Putting physiology into the Nobel Prize: 2004 marks 100th anniversary of Pavlov's award
... Prize in 1901, and even received a five-day visit from Nobel Prize representatives at his St. Petersburg,...g exceptional in my work; it is all based on facts from which logical conclusions were drawn. That's all." (B.P. Babkin, Pavlov, A Biography, 1949)...HOUSTON, Oct., 5, 2004 -- Patients suffering from diseases as varied as Type II diabetes, Alzheimer'...own maladies have one thing in common: they suffer from a large build up of amyloids, tissue that's created when millions upon millions of misfolded protein...