Bursts of waves drive immune system 'soldiers' toward invaders
...i.ucsf.edu/~weiner. The research findings are reported in the August 13, 2007 online edition of the journal "Public Library of Science (PLoS) Biology." Lead author is Weiner, who is assistant professor of biochemistry at UCSF. Because the same kind of components scrutinized in the new research also ...Does the desire to consume alcohol and tobacco come from our genetic makeup?
...ted areas. Summary of Results The researchers reported the following results: using the information from the questionnaires, the researchers found sex differences in prevalence of alcohol (17.3% in females and 38.3% in males) and tobacco (22.2% in females and 28% in males) use a common locus...Study finds gender differences in renal and other genes contributing to blood pressure
...t (cardiovascular) disease. Previous studies have reported that gender may affect vascular physiology and the bodys response to some types of blood pressure medications. Although gender is usually accounted for in association studies, newer research has focused on identifying autosomal (not on the X or Y ch...What we can learn from the biggest extinction in the history of Earth
...ic gases. Siberian Traps In 1991, scientists reported that the largest known volcanic event in the past 600 million years occurred at the same time as the end-Permian extinction. Magma extruded through coal-rich regions of the Earth's crust and blanketed a region the size of the continental United State...Experiment suggests limitations to carbon dioxide 'tree banking'
...student, eight scientists working at the FACE site reported on the daily administrations of 1 1/2 times today's CO2 levels and how it has changed carbon accumulations in plants growing there. The Department of Energy-funded FACE site consists of four forest plots receiving extra CO2 from computer-controlled...High-intensity ultrasound may launch attack on cancer, wherever it lurks
...ll without the need for surgery, the research team reported in the Journal of Translational Medicine on Aug. 3 (a provisional version appeared online on July 11). The work, done by the engineers in collaboration with cancer immunologists and physicians at the Duke Comprehensive Cancer Center, was supported by...Genetic factors strongly shape how peers are chosen
...l of the American Medical Association, researchers reported for the first time the degree to which genetic factors impact how people choose their social environment. From a developmental perspective, Kendler and his colleagues examined peer group deviance among approximately 1,800 male twin pairs from mid-...UCF research links proteins, stem cells and potential Alzheimer's treatment
...ntire career studying the brain. Six years ago, he reported that brain stem cells transplanted into aged rats seemed to become functional neurons and improved age-associated memory loss, with no side effects. When Sugaya transplanted stem cells into the brains of Alzheimers-model mice, he found that the ste...Teamwork between 2 key proteins necessary for normal development and regulation of red blood cells
...e American Association for Hematology, researchers reported that a protein called KLF2 coordinates with a related and well-studied transcription factor, EKLF, in the regulation of embryonic globin genes responsible for the development of mouse embryonic red blood cells. EKLF plays a central role in the dev...Gene predicts better outcome as cortex normalizes in teens with ADHD
...s R. Insel, M.D. When the NIMH researchers first reported last year that normalization of right cortex thickening was associated with better clinical outcomes in ADHD, there were few hints of a genetic connection. Yet evidence from several previous studies led them to suspect involvement of an ADHD-implica...Satellite tracking will help answer questions about penguin travels
...t year, a team of scientists that included Boersma reported they had found 19 groups rehabilitating oiled seabirds along the Atlantic coast from central Brazil to central Argentina, indicating a much larger problem than generally had been believed. It remains uncertain where the oil comes from -- it could be ...Disabling a sensory organ prompts female mice to act like male mice
...le mice in the throes of courtship. The finding, reported August 5, 2007, in the journal Nature, suggests that the neural circuits that govern gender-specific behaviors, such as aggression and courtship, are similar in the male and female brain. According to the new study, the sexual behaviors of female m...See what you're spewing as you speed along
... and also cuts out interference. In the studies reported in Applied Optics, the near-IR device used two diode lasers operating at different frequencies; one detecting carbon monoxide and carbon dioxide and the other detecting methane. The team measured the emissions produced by a Rover K-series car engin...Why nectar-feeding bats need a 'power drink' to fly
...rom this source. For comparison, the highest rates reported in humans are for athletes who can fuel up to 30% of their metabolism directly from power drinks, they say. The reason these bats live on such an energetic knife edge is down to the food source they live on and the way they get around. They feed on...Human knowledge is based upon directed connectivity between brain areas
...ablish a dynamic cortical network. This finding is reported in the latest issue of the scientific journal PLoS ONE published on August 1st, 2007 [ http://www.plosone.org/doi/pone.0000684 ]. Fruit or vegetable, insect or bird, familiar or unfamiliar humans are used to classify objects in the world around ...How cells change the pace of their steps
...rom spreading throughout the body. The discovery reported by the UCSD scientists in Proceedings of the National Academy of Sciences (PNAS) and published Aug. 3 on the journals Web site describes forces and energy exerted by the cells as they traveled across an elastic substrate. In videos recorded as the ce...Beyond Mesopotamia: A radical new view of human civilization reported in Science
...civilization, extending far beyond Mesopotamia, is reported by journalist Andrew Lawler in the 3 August issue of Science . Mesopotamia is widely believed to be the cradle of civilization, but a growing body of evidence suggests that in addition to Mesopotamia, many civilized urban areas existed at the same...New survey documents the headaches of computerized medicine
...he Institute of Medicine of the National Academies reported last year, and illegible handwritten prescriptions figure in a significant share of them. Prescriptions ordered electronically are safer and, combined with decision support tools, automatically alert prescribers to possible interactions, allergies an...Success or failure of antidepressant citalopram predicted by gene variation
...ugust issue of the American Journal of Psychiatry, reported by lead researcher Francis J. McMahon, MD, Silvia Paddock, PhD, of NIMH, and colleagues. Scientists from the National Human Genome Research Institute, the National Institute on Alcohol Abuse and Alcoholism, Mount Sinai School of Medicine, and Univers...Marijuana component opens the door for virus that causes Kaposi's sarcoma
...sarcoma as a result of infection. Their findings, reported in the August 1 issue of Cancer Research, a journal of the American Association for Cancer Research, offer cautionary evidence that those with weakened immune systems should speak with their doctors before using marijuana medicinally or recreationall...