Researchers find missing spring in circadian clock of mammals
...ve during certain phases of a24-hour period and to rest at others. Disruptions of circadian cycles in humans have dramatic sociological and medicalimplications ranging from the jet-lag of the traveling businessmen and theperformance of shift workers to the care of Alzheimer's patients and the timingand d...... we know that secondmale sperm precedence does not rest on a genetic difference between the sperm of the first and second male," says Coyne. The evolutionary underpinnings of second male sperm precedence are stillunclear, especially since the reproductive interests of the male and female arediffer...Conserving the Everglades: Less is more
...tural runoff as much as possible and filtering the rest throughmarshes....Meditation decreases blood pressure
...ate. In the first test, both groups were simply at rest with eyes open. In thesecond test, for the Transcendental Meditation group only, participants weretold to close their eyes and "begin meditating." For the control group only,participants were told to close their eyes and "relax as completely asposs...'Keys to cures' -- an online expedition to the frontier of biomedical research
...f the Florida Keys National Marine Sanctuary. The rest of us will onlyhave to travel as far as the nearest computer to join in this noble scientificadventure. @Sea, (http://www.at-sea.org) , a website sponsored by Harbor BranchOceanographic Institution (HBOI), will have a correspondent on board theRes...High HIV RNA levels major risk factor for mother-to-child HIV transmission
... the WITS study had not receivedprenatal AZT. The rest of the women in the study had been treated with AZTeither according to the ACTG 076 protocol or for other indications. The WITSstudy data reflect the reduction in perinatal HIV transmission rates seen inACTG 076 -- before 1994, the transmission rate...Team of 200 scientists presents new research that reveals full 'tree of life' for plants
...n when the earliest plant branched off to form the rest of theflowering plants, and on how the flower fossil record fits in with the moleculardata. Using newly available DNA sequence data and more traditional morphologicaland anatomical data, the team has identified some fascinating relationshipswithin t...Even in the Amazon jungles, treatment for heat exhaustion is the same as it is right here at home
...fblood circulating to your working muscles and the rest of your body, includingyour brain. Even a one percent loss of volume can begin to cause problems. A lowblood sodium level can lead to brain swelling and neurological symptoms. And lowmineral levels trigger muscle cramping and other physical symptoms....Researchers pave the way to protein therapy in humans
...at the protein would be biologically active in the rest of thebody," Dowdy says. The liver, lung, and other tissues of the injected mice also turned bluewhen exposed to the enzyme's target. The animals' entire brains also stainedblue within four hours of injection, indicating that a lot of the bac......lanting mechanisms that allow a defective heart to rest while awaiting atransplant. Kathy Elizabeth Magliato, M.D., recently served as cardiothoracic transplantfellow and clinical instructor of cardiothoracic transplant surgery at theUniversity of Pittsburgh, one of the nation's most respected heart trans...Lowering your homocysteine level may help reduce risk for heart disease
...ould probably take folic acid supplements, and the rest of us shouldeat plenty of fruits and vegetables, good sources of folic acid, "just as ourparents always told us." Contents "Homocyst(e)ine and Cardiovascular Disease: A Critical Review of theEpidemiologic Evidence" ...Experiments illuminate workings of biological clocks
...thatgoverns such functions as sleeping and waking, rest and activity, fluid balance,body temperature, cardiac output, oxygen consumption and endocrine glandsecretion. In previous studies, Sehgal and others had shown that the amount of thetimeless protein (TIM) present in a fly's brain is a key signal th...Virginia Tech microbe-minerals group launches new field of study
...terms of students, post docs, and research for the rest our careers at VirginiaTech." The research project, although funded by the DOE grant for three years, is amajor, long-term interdisciplinary program--certainly more than a decade, saysHochella....Biosensor expected to improve food safety
...ened consumer concern. But people who eat meat may rest easier if anew bacterial sensing device to be field tested this fall delivers the accurateand speedy results, plus the low costs its developers predict. The device, called a biosensor, was developed at the Georgia TechResearch Institute (GTRI...New drugs target HIV's deep pocket
...hepocket. Dissecting the relevant section from the rest of gp41 didn't workbecause the resulting peptide fragments clumped together and obscured thepocket. Kim and his team circumvented this problem by building a model peptidethat included the pocket of gp41 attached to a soluble, non-aggregatingpeptide. ...Major grants support immunology, transplant and diabetes research at the University of Chicago
...ttack the transplanted cells without impairing the rest of the immunesystem, allowing it to continue to defend the body against infection. A team led by Bernard Hering, M.D., co-director of the JDF Center and anislet-transplant specialist at the University of Minnesota, will coordinatetesting of these new......d safely be inherited without interfering with the rest ofthe genome, germline gene therapy might not be so risky. Chromos's experimentswith mice suggest that this should be possible. "Because the artificialchromosome is separate, it doesn't interfere with the cell's own geneticmachinery," says Utterson. ...UVic creates research chair on drinking water ecology
..." This is especially true in B.C., he says. "The rest of the world is losing its water quality and is being forced to install water treatment plants, but most water utilities in B.C. still supply water with minimal treatment. We have to find ways of managing and protecting our water sources." The $4.6 ...Biodiversity yields dividends, finds pan-European research
...ve, reducing the amount of energy available to the rest of the food chain and threatening the overall health of the ecosystem, say results from one of the world's most extensive ecological studies (Science 5 November 1999). BIODEPTH (Biodiversity and Ecological Processes in Terrestrial Herbaceous Ecosyste......he heart to pump enough blood to the lungs and the rest of the body. Symptoms include difficulty breathing, fatigue or shortness of breath even at rest. It also can cause a build-up of blood behind the heart leading to swelling in the legs, feet, ankles and liver. Dr. Gottlieb says chronic illnesses oft...