Newly created cancer stem cells could aid breast cancer research
...ould provide a boon to researchers who study these elusive cancer stem cells by offering a bountiful source of them, maintains Weinberg. Labs can easily grow the newly created cells for use in experiments. The study, which appears in Cancer Cell on August 13, also offers clues about the trajectory of cance......ey, whereas small jaws are functional in capturing elusive prey. Researchers have suggested that such trade-offs between force and velocity could cause evolutionary diversification of morphology in animals such as birds, fish, and salamanders. Junji Konuma and Satoshi Chiba of Tohoku University found that a ...RICHLAND, Wash. -- It has been an elusive goal for the legion of chemists trying to pull it off: Replace crude oil as the root source for plastic, fuels and scores of other industrial and household chemicals with inexpensive, nonpolluting renewable plant matter. Scientists took a giant ste...Pavlov's cockroach: Classical conditioning of salivation in an insect
...n insects. Its underlying neural mechanisms remain elusive because of the complexity of the mammalian brain. The results provide a useful model system for studying cellular basis of conditioning of salivation in the simpler nervous system of insects. ...Tumor vessels identified by unique molecular markers
...n, particularly at a molecular level, has remained elusive for quite some time. The research, released in the June issue of the journal Cancer Cell, published by Cell Press, has exciting implications for development of more selective vascular-targeted anticancer therapeutics. A major strategy for destroyin...Study focuses on only carnivore with 'fingerprints'
...que that uses fingerprints to track the fisher--an elusive member of the weasel family, and the only carnivore species known to have unique fingerprints. Fingerprints left behind at special tracking-boxes allow field biologists to identify which individual fisher had come in for the bait and, therefore, co...Dinosaur hearing, listening to muscle noise, quieter cubicles
...e they appear to strike at night. Among the most elusive of killer whales are the "transient" type, so-named because they follow unpredictable paths as they travel from location to location along the west coast of North America. Transients, which also distinguish themselves by feeding primarily on other ma...Satellites shed light on global warming
...ite instruments have played in understanding these elusive waves. He pointed out that although they were theorised to have existed as far back as the 1930s, it was not until the advent of the satellite-borne radar altimeter that oceanographers were able to offer proof of their existence by mapping the sea su...Study links faulty DNA repair to Huntington's disease onset
...ase, the specific role of the lesions has remained elusive until now. "Nobody has connected the dots before," said McMurray. To show that the extra segment enlarges with age, the researchers engineered mice to carry a version of the human huntingtin gene with an inserted segmentone large enough to cause...Study pries into ovarian cancer's deadly secrets
...tection methods and effective treatments have been elusive so far. The American Cancer Society estimates there will be 22,430 new cases of ovarian cancer and 15,280 deaths from the disease in the United States this year. The new mouse model developed in the U-M lab is based on molecular defects shown to b...Bacterial walls come tumbling down
The first detailed images of an elusive drug target on the outer wall of bacteria may provide scientists with enough new information to aid design of novel antibiotics. The drugs are much needed to treat deadly infections initiated by Staphylococcus aureus and other bacterial pathogens. ...Bacterium could treat PCBs without the need for dredging
...arch, the exact microbes responsible have remained elusive until now. "For the first time we have been able to cultivate in defined media naturally occurring bacteria that can extensively dechlorinate PCBs right at the site of the contamination," said Donna Bedard, professor of biology at Rensselaer and ...Robotic cameras join search for 'Holy Grail of bird-watching'
... sentinel patiently waiting to capture video of an elusive bird once thought to be extinct. Developed by researchers from the University of California, Berkeley, and Texas A&M University, the high-resolution intelligent robotic video system installed in the Bayou DeView area of the Cache River National Wil...Bats prey on nocturnally migrating songbirds
...e case. But how to study the foraging habits of an elusive predator that chases its favourite prey several hundreds if not thousands of metres above the ground in total darkness? To elucidate the mysterious habits of giant noctule bats, an ambitious investigation led by young scientist Ana Popa-Lisseanu, u...Scientists identify 'missing link' in process leading to Alzheimer's disease
...We believe this is the first evidence for the long elusive missing link' between amyloid and tau in Alzheimer's disease." "This is a very significant finding that greatly improves our understanding of the mechanisms within the cell that ultimately lead to Alzheimer's disease," said Lester Binder, professor ...Yale chemists show that nature could have used different protein building blocks
...lded architecture of a natural protein had been an elusive goal. Schepartz's team solved the dilemma by designing a molecule that could form a bundle using characteristics found in natural proteins a greasy interior that repels water and a water-friendly exterior. This paper, which provides the first high-...MIT: Nanocomposities yield strong, stretchy fibers
...that are both stretchy and strong has long been an elusive engineering goal. Inspired by spider silk, a naturally occurring strong and stretchy substance, MIT researchers have now devised a way to produce a material that begins to mimic this combination of desirable properties. Such materials, known as po...Can engineered immune cells stop AIDS?
...hers are still working on ways to manipulate these elusive bone marrow cells and get them to generate "designer immune cells." Another problem seems to be making sure lentiviral vectors target only hematopoietic stem cells, and not other types of cells, to achieve the desired targeted delivery. With a gr...How many genes does it take to learn? Lessons from sea slugs
...Aplysia neuronal genes are shedding light on these elusive processes. In 2000, senior author Eric Kandel, M.D., of Columbia University in New York shared the Nobel Prize in Physiology or Medicine for his work using Aplysia as a model of how memories are formed in the human brain. Despite its simple nervous......pter in mathematics, reaching a consensus that the elusive Poincar Conjecture, which deals with abstract shapes in three-dimensional space, had finally been solved. Science and its publisher AAAS, the nonprofit society, now salute this development as the Breakthrough of the Year and also give props to nine...