10,000-Year-Old Clues Suggest Future Forest Changes
...nd visited the site. "This serendipitous discovery helps confirm that the climate was warmer many years ago and helpsconfirm our theories of what happened in the past," he says. "The discovery was truly independent evidence that the climate was warmer than today. The treeline is determined largely by tempe...UF Researchers Investigate Phenomenon Of Seizure-Alert Dogs
...rust, a private, Tallahassee-based foundation that helps people with disabilities find employment, Reep and his colleagues, Paul Davenport, also an associate professor of physiological sciences, canine information specialist/trainer Deb Dalziel and neurologist Basim Uthman will study not just anecdotal evi......n to technology commercialization, the ABCD Center helps "seed" newlocal and regional businesses in the agriculture sector. The center is expected to play a key role by providing technical managementsupport and serving as a delivery conduit for new technologies. In addition,the productive relationships th...... to be paired to the single-stranded DNA, and thus helps explain howthis enzyme achieves its high accuracy of about one mistake per millionnucleotides. Mistakes cause mutations and, in certain genes, can lead to cancer. Editors: A more detailed version of this story is available on request. Theother resear...Careful Honeybee Breeding Combats Tracheal Mite Pests
... State University has shown that selectivebreeding helps honeybees develop resistance to tracheal mites, pests thatbeekeepers normally control with insecticide. The research indicates that with a combination of selective breedingand other natural controls, beekeepers may maintain healthy hives withou...Garlic Prevents Hardening Of Aorta, New Study Shows
...at it’s a dynamic organ in itself. The aorta helps keepother organs healthy, because it regulates the velocity of the blood thattravels through the blood vessels with each pulse,” said Boudoulas. Boudoulas said that when the aorta loses its elasticity, it can’texpand to accommodate bl...Gene For Inherited Syndrome Is Possible New Tumor Suppressor
... suppressor genes work by producing a protein that helps prevent run-away cell division. If the gene is damaged and the protein doesn't work properly,uncontrolled cell proliferation -- and cancer -- can occur. Initially, de la Chapelle and the other members of the research team had no ideawhat kind of prot...Ant Pheromone May Aid Alzheimer's Patients
...tor sitesin the brains of Alzheimer's patients and helps reduce memory loss, is one offour components found by Cornell researchers in secretions from the poisonglands of "A. rudis" ants, a common species in the Northeast United States. "However, this doesn't mean we should grow ants to treat Alzheimer's pa...Duke Researchers Develop First Treatment For Rare Muscle Disease
...glucosidase (GAA). Normally the GAA enzyme helps the body break down stored glycogen intoglucose, a sugar the body uses for energy. Without the active enzyme, storedglycogen builds up in the body's muscles, eventually destroying them. About 100children are born with Pompe disease each year in the U...Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
...initiates a courtship duet with a nearby male that helps the partners findeach other. The female's aphrodisiac song, called "rapping," is a rapid series ofloud clicks that sound like a Geiger counter exposed to a lode of uranium. Itis among the rare instances in the animal kingdom where the female...Lactose-Intolerant People Should Drink More Milk, Expert Says
...well tolerated because they contain a lactase that helps digest lactose in the intestine." Lactose is a form of sugar, or carbohydrate, found in milk and dairy products. This sugar is too large to be absorbed by the intestine, and is broken down by an enzyme, lactase, produced by the body. Most adults don...Leftover Fetal Cells May Affect Development Of Scleroderma
...ll take time before we know how much this approach helps us understandwhat causes scleroderma," Dr. Nelson adds. "But this paradigm certainly ispotentially applicable to some otherautoimmune diseases as well." NIAID, part of the National Institutes of Health (NIH), supports biomedicalresearch to prevent, ...Hormones Found In The Brain May Determine How Much You Eat And Affect Obesity And Diabetes
...tween foodconsumption and energy expenditure. This helps determine whethersomeone becomes obese and/or develops adult-onset diabetes mellitus. "Now is the time when we start to understand the neuralnetwork and the molecular players that form the very complexregulation of this entire biochemical pro...Recovery From Mass Extinction Is Unexpectedly Diverse
...under extremeconditions such as the K/T extinction helps us better understand how thesecommunities work under stress," said Jablonski. "If it really is important not how many species you lose, but which ones, thenthat can help us understand different responses and even help ameliorateinvasion intensities i...Wistar Scientists Identify New Tumor Suppressor Gene For Breast And Lung Cancer
...f Dr. Frank J. Rauscher III, encodesan enzyme that helps to regulate levels of BRCA1, a gene known to causehereditary breast and ovarian cancers. Three years ago, scientists in Utah identified the BRCA1 gene, which was alandmark accomplishment in cancer research. The discovery of BRCA1 made itpossible to ...Food Bacteria-Spice Survey Shows Why Some Cultures Like It Hot
... significant latitude-related correlations. Which helps explain whycrawfish etoufe is spicier than New England clam chowder. The biologists did consider several alternative explanations for spice use anddiscounted all but one. The problem with the "eat-to-sweat" hypothesis -- thatpeople in steamy places...Vitamin D Deficiency Appears Common In Hospital Patients
...ted in the general population as well." Vitamin D helps the body absorb minerals such as calcium and phosphorus, whichare critical components of bone. The body manufactures the vitamin in responseto sunlight, and its primary dietary source is through fortified dairy products. Vitamin D deficiency in adul...Heart and Soul: The Blood Vessels And Brain Use Common Guide
...d Brain Development Share Protein A protein that helps wire the developing brain by preventing nerve cells fromentering off-limits areas does double duty during the formation of bloodvessels, Children's Hospital and Harvard Medical School researchers have found.Michael Klagsbrun, HMS professor of surgery...UNC-CH Researchers Discover Key Cancer Control Mechanism
...disables a proteinknown as MDM2 and in the process helps protect the body against cancer,University of North Carolina at Chapel Hill School of Medicine researchers havediscovered. The mechanism appears to be one of the most potent natural ways offighting tumor development, the scientists say. After...Chromosomal Abnormalities Key For Prediting Leukemia Outcome
... chemotherapy. A patient’s cytogenetics helps determine treatment by identifyingthe subtypes of leukemia that are likely to respond to a certain type oftherapy and those that probably won’t. For example, a patient withcytogenetics that shows a good prognosis (such as damage to chromosome 1...