National survey reveals profound lack of scientific knowledge
.... As the name implies, the telephone numbers were generated completely at random, ensuring that all households with listed as well as unlisted numbers were included....Immune system helps prevent tumors after all
...ce developed tumors after MCA exposure. When mice generated with two disrupted genes the gene for RAG2 and the gene for Stat1 were injected with MCA, 72 percent of them developed tumors. Statistically, this was not greater than the incidence of tumors in mice that lacked just one gene or the other. Therefo...Researchers use cloning technology to produce embryonic stem cell lines from adult mice
...e have shown that embryonic stem cell lines can be generated quite easily from adult somatic cells isolated from a harmless biopsy," says lead author Teruhiko Wakayama, Ph.D. "These cell lines can be differentiated reliably into cells of potential therapeutic relevance, such as dopamine-producing neurons." Emb...How cells know when to stop wound-healing
..., helps cells respond to chemical signals that are generated by a wound. The chemical signals and the integrin ...nt over laminin 5, by turning off the instructions generated by the first integrin. This action ensures that the movement instructions from the first integrin ar...Lipoprotein lipase: Location, location, location.
...enzyme lipoprotein lipase (LpL), and they have now generated a transgenic mouse line expressing a version of human LpL that is mutated at this short sequence. The mutant protein binds poorly to heparin and loses activity rapidly when expressed either in cultured cells or in mice. Native LpL is active as a hom...Researchers discover the ultimate adult stem cell
...etically, any organ could be 2repaired using cells generated from this stem cell and bone-marrow-derived cells could be used to target gene therapy to a specific organ." The new study is published in the May 4 issue of the journal Cell. In the last three years, a growing number of studies have overt...Scientific explanation for success of klapskate
...hat there was a 12% increase in the external power generated by skaters when they wore klapskates, allowing them to go 5% faster. As far as friction with the ice was concerned, there was hardly any difference between standard skates and klapskates. Although the front point of a standard (unhinged) speedskate s...New technique illuminates events obscured in the geologic record
...ion event at the end of the Cretaceous period have generated considerable debate. The Cretaceous period, which ranged from 140 million years ago to 65 million years ago, was characterized by a great development and subsequent extinction of many life forms, including dinosaurs and primitive birds. "It became ...Deregulation will cause significant fluctuations in electricity prices, new study reveals
...more than 80 percent of the additional electricity generated over the next 10 years. Slower retirement of nuclear power plants also will contribute to the slower growth in carbon dioxide emissions. Emissions of nitrogen oxide pollutants from power plants will tend to remain relatively stable over the next dec...Finding a model, finding a cure
...iversity and the Dana-Farber Cancer Institute have generated a mouse strain with an inherited mutation in Brca1...tened, or truncated, BRCA1 protein. The scientists generated a mouse strain with a truncating Brca1 mutation that similarly eliminates the C-terminal portion of ......r an appropriate regulatory protein. These authors generated DCs, transduced them with IL-4, and rein-troducedthem into mice. The modified DCs can interact with collagen-specific T cells and drive them toward theTh2 phenotype, which is associated with tolerance to the corresponding antigens. Here again, tissue...More extensive analysis casts doubt on portion of the public project's human genome paper
... lateral gene transfer between bacteria and humans generated a great deal of interest here at TIGR. However, based on our subsequent reanalysis of the data, the assertion of such transfer cannot be substantiated." "We are not calling into question the occurrence of lateral gene transfer," said Jonathan A. Eise...Study offers insights into evolutionary origins of life
... life in such a world. The new ribozyme, generated by David Bartel and his colleagues at the Whitehea...tion of an RNA world. Still, none of the ribozymes generated by the Bartel lab or others in the field possessed the sophisticated properties needed to accurately...Field Museum plays vital role in creation of huge new park
...re, who oversees forestry law. As such, the report generated substantial interest in the creation of a national park. The outcome of accelerated negotiations shepherded by APECO, The Field Museum and others came this week, when President Valentn Paniagua and Perus council of ministers signed the park into la...Unusual source of ocean water contamination may rewrite environmental textbooks
...ientific society. The research shows that bacteria generated in Talbert Marsh, a man-made saltwater marsh near Huntington Beach, Calif., may be partially responsible for fecal bacteria levels thousands of times over the legal limit, according to Stanley Grant, Ph.D., who led the research team from the Universi......orms in places as distant as China and Africa have generated public attention with dust clouds that travel acro...hers at Arizona State University now say that dust generated in our own back yards could be equally dangerous. Dust blowing from local industries and agricultura...Scientists monitor global air pollution from space
...ecember 2000, has captured extensive air pollution generated by forest fires in the western United States last summer. Emissions from the burning of fossil fuels for home heating and transportation, a major source of air pollution during the wintertime in the Northern Hemisphere, can be seen wafting across muc...Gene chips accurately diagnose four complex childhood cancers
...enome Project has grown, the amount of information generated by these tests has become huge, and newer analytical methods were required. The researchers turned to the field of artificial intelligence, specifically a computer system called artificial neural networks. The FBI already used artificial neural net...Some women may have gene sequence that reduces breast cancer risk, SFVAMC study finds
...ples the women had donated, Ziv and his colleagues generated a DNA sequence for part of the gene for TGF-beta, a protein which inhibits the growth of breast tissue and controls growth of other types of cells. Artificially increasing TGF-beta levels in mice can protect them against breast tumors, earlier studi...