New NSF-AAAS report highlights 'learning communities,' other STEM educational strategies
...aching, small student groups, and a strong college identity help to provide Itasca's engineering students with the tools they need to succeed, he said. Building a sense of community may be especially important for isolated, rural schools like Itasca, which is located 180 miles north of Minneapolis/St. Paul. ...The clustering of Hox genes is not necessary for their proper function
...ls, being involved in the determination of segment identity along the body axis. These genes were discovered in the fruit fly Drosophila melanogaster 90 years ago and have been found later in all animals, including humans. The Hox genes are arranged in the fly genome in a striking manner: they are clustered ...National Academies news: Stem cell guidelines released
...ng to be transplanted into patients or the donor's identity is likely to become known by researchers. Researc...es also need a secure coding system to protect the identity of donors. The Academies' guidelines also address how far scientists should go in mixing human and a...Same-sex mating discovered in a toxic fungus
...e HIV/AIDS pandemic. In plants and animals, sexual identity is governed by sex chromosomes. In fungi, however, sexual identity is determined by so-called "mating type loci," genes arranged contiguously, but which typically do n...Variation in women's X chromosomes may explain differences among individuals, between sexes
...ence of the human X chromosome. In animals, sexual identity is governed by sex chromosomes. In humans and other mammals, males have one X and one Y chromosome, while females have a pair of X's. Many genes on the male Y chromosomes have been lost over evolutionary time, leaving the chromosome with fewer than ...Studies expand understanding of X chromosome
... X chromosome. In humans and other mammals, sexual identity is governed by a pair of chromosomes referred to as "X" and "Y." Females have two X chromosomes, while males have one X chromosome and one Y chromosome. One of the central goals of the effort to analyze the human genome is the identification of all ...New cyber security protocol for online banking, and more
...or network nodes need to simultaneously verify the identity of each other. The protocol - called "delayed pass... have application in any environment where "mutual identity authentication" is required, the researchers say. This new security protocol could help to prevent c...ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors
...r rainbow of plumage colors, but their biochemical identity has remained elusive. Now, an Arizona State University researcher has uncovered the chemistry behind the colors of parrots, describing on a molecular level what is responsible for their bright red feathers. The work casts a new light on what is chem...New RNA polymerase discovered in plants
...efects. The plants were having trouble with organ identity stamens tried to turn into petals, for instance. Our first hypothesis was that the fourth polymerase was involved with what are known as micro RNAs, which are known to regulate flower development, but that proved wrong." In a series of gene......they hope that their success in narrowing down the identity of the responsible antibodies will provide a new way to identify women who are most at risk for having children with congenital heart block....New technique for tracking gene regulators
...rning on and off the genes that establish the very identity of cells -- be they brain cells, liver, or blood -- as well as what might go awry in certain conditions like cancer. The Brookhaven scientists, together with collaborators from Oregon Health & Science University, Emory School of Medicine, and Stony B...How the brain is wired for faces
...stituted images of houses, altering the spacing or identity of the windows and doors. In the behavioral tests, volunteers were asked to match either houses or faces with such differences and their performance was measured. These experiments took advantage of the fact that face recognition shows the unique phe...Ancient fossil offers new clues to brown bears past
...modern southern brown bears. The age and genetic identity of this bear mean that brown bears not only made it far south sooner than previously thought, but that those bears in the Edmonton area about 26,000 years ago were very close relatives of southern bears we see today. "Its like finding a missing piec...Reassuring findings from first study on sperm donor identification
... of 5 said they were likely to ask for the donor's identity and try to contact him, but few saw him as being a...like?' Of the 83% who wanted to know their donor's identity and to contact him, the motive for the majority was curiosity about him and, for many, the chance to...Sex-determining genes of infectious fungus resemble human Y chromosome
...r. Regions of the genome that determine the sexual identity of the infectious fungus Cryptococcus neoformans b...s a close tie between the genes involved in sexual identity and virulence, Heitman added. The work was supported by the National Institute of Allergy and Infect...Genetically engineered corn poses no immediate threat to Mexican crops
...ssociation (NAFTA). In a country whose culture and identity revolve heavily around corn, or maize the crop was first developed here thousands of years ago the thought of imported GM varieties contaminating indigenous plants frightens many citizens, said Allison Snow, a co-author of the report and a professo...Molecule that helps DNA replicate may make good target for cancer therapy
...tumors. The work grew out of a desire to learn the identity of the "tugboat," said Anja Bielinsky, an assistant professor of biochemistry, molecular biology and biophysics, in whose laboratory the work was performed. The first author on the paper is Robin Ricke, a graduate student. The two scientists worked w......amatizes our anxieties about our individuality and identity that are stirred up by the looming possibility of cloning. It will be performed at 5 and 8 p.m. in the Squires Student Center Studio Theatre Oct. 27-29. "We are very fortunate to have an acclaimed play by a world-class playwright that is a perfec...