A wake-up call for environmental health
...ithin 100 m of a highway or within 50 m of a major road was associated with a relative risk for cardiopulmonary mortality of 195 (95 CI 109-351).' The editorial concludes: 'Changing behaviour will need changes in law (and tax incentives) to persuade not just Americans to reduce their fuel consumption, s...Studies probe rapid evolution of Chinese tallow trees
...undergraduate students, they'll mount a half-dozen road trips to Georgia each year. Along the way, they'll stop at test sites in each state to plant seedlings from all regions. If the theory is correct, the trees from Texas should have the least insect defenses and therefore be targeted more often by inse...Cells' ability to live without oxygen give clues for treating major diseases
...two very different cell types travel the identical road to survival. "But the final result is the same," he says. "They simply become stronger, tougher and more resistant to injury, and for those in tumors, more resistant to cancer therapies." The researcher, whose latest findings are featured in recent ...Ancient Inca road in desperate need of protection
...003 -- A preliminary study of the ancient highland road that linked the Inca Empire from southern Colombia... surveyed, but much it is thought to be damaged by road construction, development and neglect. And despite its historical importance, none of the Gran Ruta'...NSF awards $31.9 million in grants to study biocomplexity in the environment
...l land-climate interactions; overlapping river and road networks in a changing landscape; and changing environments and their uses in the North American Arctic. In the CBC sub-category, scientists will investigate mercury in a northern forest landscape; plankton dynamics and carbon cycling in the equator...Young cancer researchers honored
...ounds that are marginally effective, laying down a road map for improving the compounds and making them into real drugs," he explained. "Investigators can also analyze the structures of aberrant proteins involved in cancer to pinpoint potential targets to which anticancer drugs might bind." "Like the pre...Pack rat middens give unique view on evolution and climate change in past million years
...thedral Cave in Nevada, we see it in the Kennewick road cut locality in Washington. Across geographic space and at different times, we see the same trend in increasing complexity in Lemmiscus populations." Barnosky has edited a book, to be published next year by the University of California Press, about w...Novel sensors help clear the air
...ogically advanced sensors are available to monitor road conditions on site and warn air traffic authorities of wind shear on runways and lightening strikes. Intelligent sensors warn against exposure to accumulated radon in buildings, even in areas of high density and variable occupancy. They can also be u...Major mutations, not many small changes, might lead way to new species
...or, that first forged the fork in the evolutionary road that led to today's species of monkeyflowers that are attractive to and pollinated by hummingbirds and separate species of monkeyflowers that are pollinated by bees. The color change is the result, it appears, of mutation in a single gene, according...Small-molecule inhibitors of anthrax lethal factor identified
... potency. "These studies have provided us with a road map to the rational design of more potent, highly selective lethal factor inhibitors," said lead author Sina Bavari of USAMRIID. "I believe this team has quickly answered the urgent call for novel anthrax inhibitors." Bavari's collaborators were R...Sex in the brain: How do male monkeys evaluate mates?
...ken brought the marmosets' cage-mates along on the road trip. "The marmosets were trained in advance, over brief periods, to get used to a mock imaging process," Ziegler says. "By the time they underwent the real thing, they did not exhibit any signs of stress." "We acted as advocates for the marmosets," ...New Georgia Tech Biosciences Center assists life-science startup companies
...commercialization and tech transfer." Although the road to success is bumpy for most entrepreneurs, bioscience startups encounter even more potholes. "It's a completely different world from telecommunications or electronics," says Lee Herron, ATDC's general manager of biosciences. "There are more ways fo...The Rosetta space probe's long trek to Comet 67P/Churyumov-Gerasimenko
...ike 675 million kilometres. Rosetta will be on the road for ten years, during which time it will clock up in excess of five billion kilometres. Launch in February 2004 Rosetta will be waved off on 26 February when it lifts off from the space centre in Kourou, French Guiana, aboard an Ariane 5 launcher...Natural killer cellers are made, not born
...s not present at birth. This new insight paves the road to changes in bone marrow and stem cell transplant procedures and will enable scientists to pursue research into activating natural killer cells to help the body fight emerging infections and tumors. In two separate papers in the February issue of T...Chemical that turns mouse stem cells into heart muscles discovered by Scripps researchers
...," or heart muscle cells, an important step on the road to developing new therapies for repairing damaged heart tissue. Normally, cells develop along a pathway of increasing specialization. In humans and other mammals, these developmental events are controlled by mechanisms and signaling pathways we a...New map predicts where wolves will attack
...ion system (GIS) mapping, the scientists looked at road density, farm size, availability of deer and other factors to develop statewide maps for Wisconsin and Minnesota. Despite dramatic differences in the two states' wolf populations, hunting policies, and farm sizes, the maps revealed several similarit...Educational program increases some safety behaviors for older drivers
... conditions, erratic behavior of other drivers and road conditions. Therefore, it is difficult to measure the impact that some of these subtle behavioral changes may have on collision rates." When measured on a per-mile-driven basis, licensed drivers 60 year and over have a collision rate equivalent to y...Bigger isn't always better--especially if you're a rodent
...ians, too, and need just as much help crossing the road as the big animals, says new research from the Uni...ferees, who had offered expert opinion on some new road construction, to change his instructions to the builders--asking for more culverts. "Overall, the pa...Comprehensive study: We know little about environmental effects on kids
..., as well as information we learn further down the road and use it for good."......phasizes. Much of this research is about the long road from the first cancer cell to a full-blown tumor, and in this process tumor suppressor genes are probably of great importance. What the Lund team has done is to provide a revolutionary new picture of how this very first cancer cell arises....