Change your diet and it may make you brighter
... from brain diseases or injuries. But the newstudy reveals that in healthy people, levels of the chemicals account for alarge amount of the variation in people's IQs. NAA is found only in neurons and is thought to contribute to theirhealthy function. Choline is present in nerve cell membranes. When l...Single amino acid change in herpes virus prevents it from infecting neurons
...s usurp themachinery of the cells they infect, and reveals a "potential new target for aherpes vaccine or future therapies," says Bernard Roizman, Ph.D., JosephRegenstein Distinguished Service professor in the department of moleculargenetics & cell biology at the University, and lead author of the paper. ...Smog impacts: Hurtling through airways, tiny particles may do more damage than previously assumed
...to appear in the next Journal of Aerosol Science, reveals how pollutant particles smaller than2.5 micrometers--a size identified by the U.S. Environmental Protection Agency(EPA) as hazardous--penetrate buildings and people's airways. From car exhaust and power-plant emissions to fumes from household firepla...Study details genetic basis of aging -- and how it might be delayed
...s play in the process of growing old. Moreover, it reveals how a low-calorie diet, the only known method of s...ontaining DNA that,when read with a laser, quickly reveals activity levels for thousands ofindividual genes. The Wisconsin group found that, with age, the acti...Primate genus sheds light on great ape and human origins, as reported in Science
...enthe ancestor to humans and great apes arose, and reveals that one species, Kenyapithecus wickeri , is more closely related to that ancestor thanpreviously thought. The ape family tree has dwindled to a few remaining twigs today, but during theMiocene era (23-5.5 million years ago), it was a thriving, bushy...DNA fingerprinting reveals surprise in wine-grape family tree
...d French adjective "gou" -- a term of derision -- reveals its position of low esteem. "It is surprising enough that Chardonnay has such a lowly parent, but that all16 of these varieties, which include most all of the wine-grape varieties grownin northeastern France today, should have come from the same two ......of Nature, is a breakthrough inmemory research and reveals a common biochemical mechanism at the root of nearlyall learning. It shows that the brain uses the same basic tool when it formsassociations, even though parts of the brain work in specialized ways and dealwith diverse types of information, such as s...USGS studies wildfire ecology in the western United States
...ct fire behavior in the future, tree ring analysis reveals fire patterns of centuries past. At Sequoia and Ki...ry local in nature, a broad historical perspective reveals regional-scale patterns of fire incidence and intensity, driven by climatic variability. Dr. Cr...Seeing one weapon from a food-borne pathogen
...journal Science . The three-dimensional structure reveals that invasin is a rod-like proteinresembling five tandemly arranged beads. In comparing invasin to one of theintegrins' natural ligands, called fibronectins, Bjorkman and her colleaguesfound that the two types of proteins share some structural featur......ing haplotypes between breeding andwintering sites reveals a clearer picture of year-round habitat-use. "Our preliminary analyses of mitochondrial DNA sequences demonstrates that thepopulation structure of a neotropical migrant can be understood," said Dr.Smith, who is on the board of the Point Reyes Bird O...Lemur 'Juliet' may be new subspecies; no mate for 'Romeo'
...red just south of the Munubu. "If genetic testing reveals that the two animals do indeed represent a subspecies unknown to science, it would be a profound tragedy if they were lost," said Glander, who does plan another expedition to the area next year. Romeo first came to the Primate Center in the fall of ...Hominoid genes meet on middle ground
...omes. However, data from the Human Genome Project reveals a potentially different form of gene duplication occurring at the centers of chromosomes, near the centromeres. Researchers sequencing these pericentromeric regions have unearthed copies of genes whose original versions reside in distant regions of ...Zebrafish's powerful heart gene could lead to transplant therapy
...arly in the pathway." Diaphanous zebrafish embryo reveals its 'artful etchings' The significance of the UCSF discoveries dramatizes the importance of the tinyblue-and-silver striped denizen of India's Ganges River - and many an aquarium-- as a model for biomedical studies. Until recently studied in only a...Scientists figure out how cells' tiniest motors work
... trackways known as microtubules, the new research reveals how the tiny motors, eachonly about one ten-millionth of an inch across, generate the force to haul objects up to a thousandtimes their own size. The scientists report their discoveries in the December 16 issue of the journal Nature. Seniorauthor is...American Psychiatric Association January 2000 tipsheet
...ment of Psychiatry, Vrije Universiteit, Amsterdam, reveals that although many patients have both major depressive disorder and anxiety, comparing risk factors associated with pure major depressive disorder and pure anxiety disorders revealed more differences that similarities. [“Anxiety and Depression in...Obesity gene controls bone density via brain pathway
...e researchers are excited about this finding as it reveals a novel pathway that perhaps can be manipulated in ways to increase bone density and treat or even prevent osteoporosis. An international team of investigators, led by Dr. Gerard Karsenty from the Baylor College of Medicine, with support from the Nat...Droughts worse than the 1930's likely in the 21st century
...even precipitate large-scale migrations. The study reveals a direct correlation between scarce water-resources in Kenya during the last millennium and economic, political and social devastation. Perhaps most alarming is the revelation that East Africa has enjoyed a relatively high level of water availabil...Uncovering structure of cellular switch could aid design of cancer-fighting drugs
... scientific technique called X-ray crystallography reveals the three-dimensional arrangement of atoms in molecules by bombarding them with intense bursts of X-rays. A "ribbon" diagram of the Cdc42/GDI complex is printed on the cover of the journal. Co-authors of the report, along with Cerione, are Gregory ...Virus study reveals how nature 'super-sizes' tiny structures
... issue of the journal Nature Structural Biology , reveals that the viruses' shells are made of large building blocks pieced together from protein molecules joined primarily in clusters of three. "It appears that these viruses don't come together all at once but are assembled in pieces, like an automobile, w...