The biggest bug in gut discomfort
...ntracellular access to intestinal epithelial cells despite its large size suggested to Watson and Galan that the bug had evolved a special mechanism to induce its uptake into these nonphagocytic cells and establish its own intracellular niche. Watson and Galan set out to follow C. jejuni down the host cells ...Successful lung cancer surgery not enough to break nicotine dependence in many smokers
...shown that many of these patients continue smoking despite the risk, but the rate of relapse ranged from a low of 13 percent to about 60 percent. This study was unique in that it sought to include patients believed to be highly dependent on nicotine - so it included only patients who smoked within three mon...Study reveals noisy Christmas toys can damage hearing
...mple: 80dBA will only sound twice as loud as 70dBA despite actually having ten times as much energy! An average conversation will reach around 60 dBA while a busy street can peak at 80 to 90 dBA. Generally, exposure to sound levels below 80 dBA are unlikely to cause any hearing damage. Prolonged exposu...Research highlights how farmers' agri-environment schemes could do more for wildlife
...many countryside bird species continue to decline, despite Government financial support for farmers to improve their habitat through agri-environment schemes. The team, led by Dr Mark Whittingham of Newcastle University's School of Biology and partners, suggest that current UK agri-environment schemes have...Small, smaller, smallest -- The plight of the vaquita
... stopping, vaquita bycatch has been painfully slow despite efforts to phase-out fishing with gillnets in the core area of vaquita distribution and to devise schemes involving compensation, incentives and alternative livelihoods for fishermen. For the first time since 1958, when the vaquita was scientifical...'The Strangest Song' -- The story of the link between a rare genetic disorder and musical talent
...order have an unusual capacity for learning music, despite their profound mental disabilities. Lenhoff is at first rebuffed, called crazy, and finally vindicated when scientistsand his own formal researchconfirm his hunch. Williams syndrome is a rare genetic aberration that occurs once in every 7,500 births....Early HIV treatment fails to restore memory T cells
...on in the gastrointestinal tract remained elevated despite treatment. The finding that intestinal immune ce...ls do not return to normal in most people with HIV despite years of treatment raises the concern that clinical problems will result over time. Fortunately, thi...Cities change the songs of birds
...ies, seems critical to the birds ability to thrive despite urban noise. Species without these capacities may have no other choice than to escape city life....University of Alberta researchers discover hummingbird secret
... must be able to maintain a stable position space, despite the fact that their wings are beating 75 times per second and that disruptive effects such as wind gusts could throw them off. Much work has been done on the hummingbirds' physiological make upsuch as its enlarged heart, high metabolic rate and sp...ASEAN endorses major initiatives to boost regional rice production
...e in Asia today are interested in rice production, despite its obvious importance to the region, so ASEAN has endorsed the development of rice camps for young Asians to encourage them to consider a career in rice. The decision to endorse the three new activities was made at the 28th meeting of the ASEAN ...Human testis harbors HIV-1 in resident immune cells
...rus in the blood. The presence of HIV in the semen despite successful HAART has intrigued scientists. Researchers led by Dr. Nathalie Dejucq-Rainsford examined testis tissue for the presence of HIV receptors. They found that all of the necessary cellular receptors (CD4, CXCR4, CCR5, and DC-SIGN) were pres...ACS News Service Weekly PressPac -- Nov. 22, 2006
...d engineering journals has eroded since the 1990s, despite big increases in R&D funding and in the number of researchers, according to an article in the Nov. 27 issue of Chemical & Engineering News (C&EN), the ACS' weekly newsmagazine. Written by C&EN Editor-at-Large Michael Heylin, the article notes that t......e environments is still, somewhat a mystery to us, despite the fact that our world is surrounded by water", declared Reichert....Finding a cure for cancer: The holy grail of science
...to escape from the DNA damage-imposed blockade and despite its damaged DNA, it may multiply. This can give birth to a tumour. Bartek and his team have found that if an inhibitor called Chk1 kinase is added, this ends what is called the G2-phase cell cycle checkpoint, a mechanism that is often still preserv...Dragonfly's metabolic disease provides clues about human obesity
... the root causes of which remain poorly understood despite intense study. "Might disturbances in the microbial balance of human intestines trigger an immune system response that leads to metabolic disease?" Marden and Schilder asked. "More attention should be paid to the microbial balance in the intestine...High HPV concentrations combined with smoking significantly raise risks of cervical cancer
...explain why some women may not get cervical cancer despite smoking behavior or being HPV-positive, had too few women with high viral loads for the researchers to declare both smoking and HPV, by themselves, caused the disease. But since it was one of the largest studies to examine this relationship, it stron...Science study explains polio's tenacious grip in India
...search helps explain polio's persistence in India despite massive immunization efforts and offers hope for the campaign to stamp out the virus once and for all. The study, whose authors include some of the experts heading the global polio eradication effort, appears in the 17 November issue of the journal ...Neanderthal genome sequencing yields surprising results and opens a new door to future studies
...nderthals are at least 99.5-percent identical, but despite this genetic similarity, and that the two species cohabitated the same geographic region for thousands of years, there is no evidence of any significant crossbreeding between the two. Based on these early results, Homo sapiens and Homo neanderthalens......s bones to sustain large strains without breaking, despite being made of essentially rigid units at the molec...o on, enabling the tissue to sustain large strains despite being comprised of essentially not deformable particles at the atomic level. The brittle apatite pha...