Rockefeller, Weill Cornell researchers find link between estrogen, brain structure changes
...s "dendritic spines" -- the part of the cells that receives signals from other neurons in the central nervous system. From a nerve cell, long tentacles called dendrites branch many times, extending out to reach other neurons. Dendritic branch points are covered with the nub- or bump-like spines, which are oft...Rockefeller scientists identify 'natural' proteins that push stem cells to produce hair, not skin
...am then clarified what happens when that same cell receives growth signals to change shape and become a hair follicle. After years of research using a series of knockout mice and lab experimentation with their stem cell cultures, the researchers found that both the Wnt and noggin growth factors are needed as ...Underwater sensor system could protect reservoirs, drinking water
...a signal containing its identity. Every node that receives that broadcast marks the uplink node as its parent...se nodes then broadcast a signal. Every node that receives that signal, and has not yet identified a parent node, will record the signaling node as its parent ...Molecules designed to interfere with DNA upon signal
...rewer. "The complex does not become toxic until it receives a light signal, at which point it cleaves the DNA so that it cannot replicate." Results in test tubes and under the microscope with different cell lines have demonstrated that the specially constructed molecules can kill cells in the presence of ligh...Renowned yeast and human geneticist at UCSF receives major research honor
...c science as it applies to medicine. The recipient receives a $10,000 prize and a medallion acknowledging receipt of the award....Gene newly identified by Columbia researchers may improve hair removal
...hen the hair shaft is formed. This way, each cell receives the right signals to become the right type of hair cell. This protein is like the Velcro that holds the cells together. If they dont stick together properly, they become disconnected from their neighbors and cant receive instructions properly, says...Graduate student Kristine Preston wins competition for A. Brazier Howell Award
...rom the audience on her research. Only one person receives the award each year by the Cooper Ornithological Society. This year, 40 students competed for the award. "I am very honored to receive the A. Brazier Howell Award," said Preston. "It is a wonderful feeling to know that professionals in my field con...'Immortalized' cells enable researchers to grow human arteries
...es, erode until they become so short that the cell receives a signal to stop growing. While at the Massachusetts Institute of Technology, current Duke researcher Chris Counter, Ph.D., had previously cloned the hTERT (human telomerase reverse transcriptase subunit) component of the enzyme telomerase that stops...Researchers discover use of novel mechanism preserves Y chromosome genes
...edicine as part of the Human Genome Project, which receives substantial funding from NHGRI. The Human Genome Project officially began in October 1990 and was completed in April 2003; sequencing the rough draft of the human genome sequence cost an estimated $300 million. The entire project, including genetic ...The science of summer haircuts
...rter hair, especially for those with lighter hair, receives more exposure to potentially damaging ultraviolet radiation during the summer months. Thicker hair may reduce the amount of UV hitting the scalp, as suggested by the existence of UV-induced scalp problems in bald men, says Philpott. Hair does a ve...Genome researcher analyze chromosome 7
...edicine as part of the Human Genome Project, which receives substantial funding from NHGRI. The Human Genome Project officially began in October 1990 and was completed in April 2003. The entire project, including genetic mapping, technology development, the study of model organisms, and the ethical, legal and...Models show gene flow from crops threatens wild plants
...where a wild population of large and constant size receives pollen from a crop that differs genetically by only one gene. They then add complexity, or, as Ives says, "more realism." That is, they consider a crop that is more different genetically and a wild population that is small or varies in size. The rese...Study sheds light on critical relay in visual circuit of the brain
...l geniculate nucleus (LGN), a thalamic region that receives inputs from the retinal cells, and end in a late-d...ocular dominance, forms based on visual signals it receives from either the left or right eye. Another kind of column forms in response to bars of light present...APS awards more than $33,000 to its 2003 undergraduate research fellows
... vied for the 12 research positions. Each fellow receives a $2,000 stipend to cover travel and living expenses during the 10-week fellowship. Fellows also receive an additional $800 in travel funds to present their research at the Experimental Biology meeting, which attracts nearly 15,000 scientists annual...SUCCESS 2002 Student Contest award ceremony
...e. The third prizewinner, Eric Belin de Chantemle, receives a laptop computer. The three prizewinning experiments dealt with the following scientific issues: - First prize, "Cellular and Molecular Study of Osteoblasts' Behaviour in Microgravity" by Adalberto Costessi, University of Trieste: Loss of bone ...Mark your calendar for the American Anthropological Association meeting in Chicago Nov. 19-23
...as The Hunters, his latest Death by Myth. Marshall receives the Lifetime Achievements Award from the Society for Visual Anthropology. (Saturday 1.45-3.30) Great Snakes Alive: Nigerian and Kenyan perspectives on pythons. Going beyond Judeo-Christian, Freudian and other symbols, this panel discusses African rel...Intraepithelial neoplasia may be a leading risk factor for prostate and ovarian cancers
...ing cause of cancer death for men, prostate cancer receives much attention, and prevention methods are in high demand. Researchers distinguished abnormalities in cell changes in four different tissue diagnoses: normal cells, low grade PIN (LGPIN), HGPIN, and cancer. Using machine vision, researchers identi...Study of the brain wins Eppendorf/Science prize
...uring the past three years. The grand prize winner receives $25,000 from Eppendorf, and the winner's essay will be published in the 31 October 2003 issue of Science . Three finalist essays will be published at Science Online ( http://www.scienceonline.org ). The awardee and finalists will be recognized at t...International collaborators to form the Worldwide Protein Data Bank
...hers, educators, and students. Worldwide, the PDB receives over 60 million hits per year. As of October 28, 2003, it contained 22,984 structures, a number that has been growing exponentially. According to a 10-year agreement signed by the 3 founding members of the wwPDB, the sites will share responsibilitie......f 28 C (a greater surface area than Europe), which receives no input of deep-source cold water, rich in nutrient salts. However, in 2000 analyses of satellite observations on the colour of the ocean conducted by American scientists revealed unusually high concentrations of chlorophyll --the green pigment car...