Student science contest participation influences study, career choices, alumni say
...rge majority of contestants, according to a survey released today to mark National Biotechnology Week in Canada. Almost three-quarters (74%) of 350 past contestants said the Aventis Biotech Challenge (ABC) helped them plan their studies or find vocations in fields such as biotechnology, healthcare, agricultu...Belgian researchers explore revolutionary approach to angiogenesis
...o contract lies with endothelin-1 (ET-1) a peptide released in large amounts by many tumour cells, which stimulates their proliferation. "The effect of ET-1 in tumours has been underestimated up to now," Dr. Feron said. "ET-1 has been known for years in cardiology as a very potent blood vessel constrictor. He...4 October press briefing to focus on minority recruitment to science and engineering programs
...r STEM Educators in the Post-Michigan Era, will be released at 1:00 p.m. U.S. ET Monday, 4 October, 2004, at t...o until the time of the event. The report is being released as "U.S. universities are being subjected to a campaign of intimidation so that a bunker mentality n...Study: Emission of smog ingredients from trees is increasing rapidly
...rcent of our air pollution stems from hydrocarbons released by vegetation."), the authors conclude: "The results reported here call for a wider recognition that an understanding of recent, current and anticipated changes in biogenic VOC emissions is necessary to guide future air-quality policy decisions; they...Indiana University, EPA to study airborne PCBs
...the EPA and Environment Canada since 1994. The EPA released data last month showing that elevated PCB levels have led to fish consumption advisories for all five of the Great Lakes, and for many rivers and lakes in or near the Great Lakes Basin. Advisories do not necessarily prohibit fish consumption, but the...Flexible pain relief with morphine-free poppy
...rst discovered in 1995 by Tasmanian Alkaloids then released as Norman for commercial production in 1997 in Tasmania where it is now widely grown. "Norman created substantial industry growth when there was a surplus of traditional products, such as morphine, allowing us to supply raw materials for the manufact...... weasel, weighing in at up to 55 pounds. After WCS released the collared animal, it immediately moved from Wyoming's Grand Teton Mountains to the Portneuf Range in Idaho and then back again, covering some 256 miles in just 19 days. It then trekked to Mount Washburn in Yellowstone National Park, and back to t...AAAS expert panel calls for voter-system research and reform
...ents to exercisingtheir right to vote. In findings released after a weekend conferenceconvened by AAAS, the 18-member panel concludedthat research into new voting technology and thebehavior of voters, election officials and pollworkers will be essential to reforms that ensuremaximum voter participation, trust...The book opens on the first tree genome
...a, and the Ume Plant Science Centre in Sweden, has released the first complete DNA sequence of a tree, Populus trichocarpa, the Black Cottonwood or poplar, one member of the most ecologically and commercially valuable group of trees in North America. The sequencing was completed at the DOE Joint Genome Insti...US investment firm gives away Rhode Island-sized lands in Chile
...e to the land in Chile as part of an exchange that released Trillium from its debts under the notes in December 2003. After an extensive search process, the Goldman Sachs Charitable Fund has determined that WCS is ideally suited to create a reserve and protect the key ecological features of this land for the ...Bacteria use 'molecular lasso' to cop copper
...d, they take delivery of copper from methanobactin released by other cells of the same species. Thus, copper gathering amounts to a bacterial free-trading market. Methanobactin also seems to keep other bacteria out of the market. "Synthesized compounds analogous to some parts of the methanobactin molecule ha......ells that are damaged or no longer needed, Smac is released from the mitochondria, which are the cell's power plants. Once released, Smac binds to a group of gatekeeper proteins known as "inhibitor of apoptosis proteins" (IAPs), which normally hold in check the cell's chief executioner enzymes. These enzymes,...Genetic map of important tree genes outlined
...hers in Sweden and the United States have publicly released a new database of many of the most important genes in a tree genome. This collection of genes, which includes a large proportion of those expressed during tree growth, is among the best for any plant species. "This is an important fundamental step to...Chernobyl study: Risk of thyroid cancer rises with radiation dose
...to study long-term health effects of the radiation released at Chernobyl. "Our initial work in Russia was simply to conduct small pilot studies to establish in concrete terms whether we could carry out all phases of an epidemiological study," Davis said. "There was no history of doing this kind of research in...Anti-cancer compound in vegetables found to block late-stage breast-cancer cell growth
...ell walls of these vegetables to break, and SUL is released into the body. Singletary, a researcher in phytochemicals and cancer chemoprevention, and Jackson exposed cultures of malignant human breast cancer cells to SUL. Within hours, SUL blocked cell division and disrupted microtubules, which are long, sl...Study in Science reveals recreational fishing takes big bite of ocean catch
...may not solve the problem either. At least 20% of released fish end up dying, according to NMFS stock assessments for many species. For deep water species, this number is much higher. In addition, impressively large species like goliath grouper may well survive a catch-and-release encounter, but face repea...Trojan Horses, xenon imaging and remote controlled genes
...A that can clamp on top of working genes that are released when their chemical cage is hit by ultraviolet or infrared light. "By uncaging these molecules, our goal is to alter protein expression within a particular cell and at a particular time during development," Dmochowski said. "It means that resea...Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers
...know which of the 209 PCBs (called congeners) were released initially. During manufacturing, companies made di...nger need to know exactly which PCB congeners were released initially at a site. ENVR 38. Temperature effects on PCB fate and transport in anaerobic near-surfa...PCB breakdown in rivers depends on sediment-specific bacteria, find Carnegie Mellon U. scientists
...ers in upstate New York where local industries had released PCBs over several decades. They found that bacteri... and other rivers in upstate New York collectively released more than one million pounds of PCBs into the water, not knowing that these pollutants could linger ...... and the disease-resistant papaya was commercially released in May 1998. "Today, we are proud to say that the transgenic papaya has fulfilled the hope of the Hawaiian papaya industry to control PRSV and to restore the supply of papaya to nearly the level existing before PRSV entered Puna in 1992," said Gonsa...