Endangered turtles' trek along ocean currents revealed by satellite
.... In the Atlantic their numbers are higher partly due to a ban on longline US fishermen operating in the...tly carry Argos receivers, with ESA's MetOp series due to join the system following their initial satellite launch next year. The turtles' tracks ...Study explains spatial orientation differences between sexes
... spatial orientation, as women act more cautiously due to the way they interpret the sensory input, while men tend to take risks. An example, says Tremblay, is piloting a plane in a situation where visual cues have been lost. "Because women tend to judge their horizontal a few degrees below what it actua...Education, monitoring vital for sport-fish eaters
...exhibited the highest blood mercury levels, mostly due to their higher overall fish consumption. Euro-Canadians and anglers who consumed sport fish had levels about one-third as high as the Asian-Canadians. Anglers who didn't eat sport fish had the lowest blood mercury levels. The results illustrate the ...Study shows how consensus is attained in a noisy world
... reliable but is subject to error or random noise, due to lack of trust, indecision or unreliable informa...dividuals to avoid certain forms of communication, due to fear of the Stasi, might actually have contributed to the more efficient spread of information ab...8 environmental stewards win $900,000 in biodiversity awards
...s has written that Birkinshaw's success is largely due to his "being particularly attentive to the needs and sensitivities of the Malagasy. . . and his ability to offer advice rather than telling people what to do." Steven M. Goodman , a U.S. citizen employed by the Field Museum of Natural History in Ch...JCI table of contents, 2 August, 2004
...disease in which bile flow is increasingly impeded due to a progressive obstruction of the bile ducts that are found outside the liver. Biliary atresia occurs within the first few weeks of life and is the primary cause of chronic liver disease in children. Liver transplant is ultimately the only treatme...From science fiction to reality: Nanomedicine brings fresh hope to the medical world
...ch the public might actually reject the technology due to unexplained fears and worries....New England forests at greater risk from air pollution
...r forests and other natural areas from degradation due to environmental change. "We know that it can take 30 years before cigarettes impact the body," she says. "It could take just as long for a moderate level of air pollution to show its effects on forests. We should do what we can to lower that chance...... function (from fat storage to fat burning) may be due to the increased expression of yet another gene, G...odels of obesity: Cpefat/fat mice, which are obese due to a suppressed metabolism, and Lepob/ob mice, which are obese due to overeating. Amazingly, this ge...Warmer weather, human disturbances interact to change forests
...sses like harvesting and changes in carbon storage due to climate change. "If the climate were to warm, we project that many northern species would not be able to reproduce or compete well, and southern species that are adapted to warmer conditions, such as the oaks and hickories found in southern Wiscon...A changing landscape may have dire implications for birds
...es populations are increasing, which we suspect is due to increases in both generalist and exotic species," says Pidgeon. While human population has grown significantly across the continental United States since the 1970s, Lepczyk says the number of houses sprouting up in previously undeveloped areas is ...New study to investigate demise of coral reef ecosystems
...ystems. One sixth of the world's coral reefs died due to bleaching in 1998, and the situation is getting worse. Bleaching occurs when tropical seas heat up above there normal maximums, killing the corals. These events are equally catastrophic for the quarter of all known marine species which make their...DFG presents the 2004 MAK and BAT value lists
...s that classification into group C is not possible due to the available data. A risk of harming the embryo currently appears rather unlikely if the MAK values are complied with but cannot be ruled out with sufficient certainty. Xylene also remains in this group despite a new study. Due to a lack of data,...Urban heat islands make cities greener
...owing seasons and ecosystems. As temperatures warm due to climate change, growing seasons will likely change as well. Zhang and colleagues found that for every 1 degree Celsius (C) or 1.8 Fahrenheit (F) that temperatures rose on average during the early springtime, vegetation bloomed 3 days earlier. Sp...Save the rainforest - eat a tree
...red clay soil would not survive on white sand soil due to inadequate nutrients and water. "People have thought soil alone is enough to explain why you get two different communities of plants growing on those two soil types," says Fine. "But we showed that if it wasn't for their insect enemies, it...Newly designed nanoparticle quantum dots simultaneously target and image prostate tumors in mice
... that have unique chemical and physical properties due to their size and their highly compact structure. Quantum dots can be chemically linked (conjugated) to molecules such as antibodies, peptides, proteins or DNA and engineered to detect other molecules, such as those present on the surface of cancer ...DNA tests point to extinction of 2 distinctive arctic bird populations
...y the researchers. In the Aleutian Islands this is due to foxes that were introduced in the 18th century for fur farming, while in Newfoundland the birds are hunted by people as small game. "Reclassification of these two populations should immediately move them into the 'species at risk' category, and th...First International Scientific Conference on Childhood Leukaemia
...dia alert with more details will be sent to you in due course. In the meantime, visit http://www.leukaemiaconference.org/ for full details of the programme and speakers, or contact:...Good bacteria trigger proteins to protect the gut
... the beneficial effects of commensal bacteria were due to their recognition by TLRs and not their biological activity. "Now we know that this recognition has a completely unexpected and novel function -- triggering TLRs to control genes and processes that foster homeostasis of intestinal epitheli...Microarrays, key genome expression trackers, work better when probes are sequence-verified
... the application of microarray technology could be due to the failure of similar studies to measure identical biological parameters. In other words, the problem could arise from the fact that many of the microarray probes and there are now up to hundreds of thousands on a single slide are often based o...