KU Researcher Eyes The Rain Forest Through The Trees
...actly which areas to reforest. "Not only are there often more plant and animal species per small area in a tropical rain forest," Terwilliger said, "but a tropical country as tiny as Costa Rica or Panama will have more kinds of rain forests than there are forest types in all of North America." To successfu...Two Long-sought Diabetes Gene Found
...ve diabetes. Most of those 74 have MODY, which can often be detected in early adolescence. In 1990, Bell mapped MODY1, the gene responsible for the disease in this family, to a small region on chromosome 20, but did not pinpoint the precise gene. This landmark paper was the first time genetic techniques ha...No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
...cking phosphorus, the addition of this nutrient -- often a result of human activities -- causes "eutrophication," a process that leads to increased growth of algae and other undesirable outcomes. Tilman and Wedin conclude that in grassland ecosystems, nitrogen loading is a major threat that leads t...Scientists Discover Smallest Frog
... for the world's tiniest. Says Hedges, "You don't often find species that are the smallest, especially in a big group like tetrapods." Cuban scientists restricted by that country's economic conditions typically have teamed with foreign colleagues to carry on their work. "The tropical forests in C...World's Experts Plan Global Locator Service For Environmental Information
... we look for a particular piece of information, we often need to search many separate sources. We may not be satisfied with just scanning World Wide Web pages, just accepting the suggestions of one publisher, or just being limited to information published in English. "Libraries centuries ago confr...Pinpoint Gene Control Holds Promise For Nervous System Studies
...oreand rearing up on their hind legs many times as often as theirnormal counterparts. The genetic alteration also leads to a greater than 10-foldincrease in the amount of NGF in the hippocampus, the region ofthe brain where scientists inject the virus. The team hasdetected these elevated levels for as...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...ring the 1960sand 1970s and is responsible for the often abysmal water clarity of urbanlakes and ponds. Lak...n by small fish, such as minnows, which inturn are often devoured by bigger fish, such as pike or bass. In the mid-1980s, ecologists had gathered enough evi...The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
... another--a process called "translocation" that is often associated with disease--cannot easily be detected... multiplication or exchange of genetic material is often impossible with conventional black-and-white banding. Chromosome banding was first developed in th...Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...oms, not elimination ofcauses. Medical personnel often consider the onset of tics or other involuntarybehavior in children to be the result of parental pampering and coddling, saidPatricia Moore, president of the Rhode Island Chapter of the Tourette SyndromeAssociation, Inc. "It's time to stop telling pa...Ten Years of Progress For Superfund Basic Research Program
...ns. "They're a big concern," said Kinkle. "They're often potentcarcinogens. They bind to the DNA which can affect generegulation." Both bacterial strains were originally isolated from Superfundsites, specifically polluted soils located at coal gasificationplants in Illinois. However, Kinkle says a great de...New Study Shows Steps Leading To Colon Cancer
...ns healthy cells first into abnormal ones and then often into tumors. "Our work, together with that of our colleagues, reveals for the first time the precise role of a key regulatory protein found in both insects and ourselves," said Dr. Mark Peifer, assistant professor of biology at the University of No...Pets Provide Physiological Benefits For Women Living Alone
...umber women, particularly older women, live alone, often in isolation. New research from the University at Buffalo presented here today (March 21, 1997) shows that for these individuals, a four-legged friend may be nearly as effective in keeping blood pressure down as the two-legged variety. ...Purdue Researchers Prod Plants To Clean Up Pollution
...bidopsis thaliana (a plant in the mustard family, often used in laboratory testing) that can't defend itself against cadmium. Then they figured out why it was so susceptible to cadmium poisoning. "Normal Arabidopsis plants protect themselves by linking the toxic metal to a peptide once it's inside the p...Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure
... not need toxic pre-transplant chemotherapy, as is often thoughtand currently practiced. The results ...s say,because babies who die of a simple infection often are not given an autopsy. "Without an immune system, a patient is completely vulnerable toinfe...Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit
...al problem. Diagnosis of the disorder occurs most often in school-age children and usually is precipitated by disruptive classroom demeanor. Lock and colleagues felt that if functional deficits of children with AD/HD could be documented outside of school, the results would support the hypothesis th......"The major cause of chick mortality is starvation, often the result of a parent failing to return from a long foraging trip in time with food, " says Boersma. For the past 15 years she has been following the fortunes of the roughly half million birds at a 500-acre reserve at Punta Tombo, the largest pengui...Duke researchers find existing drugs can stop fungus that attacks AIDS patients
... also help fight a type of fungus that infects and often kills AIDS patientsand other people with weakened immune systems. The researchers said the compounds effectively stopped growth of thefungus in test tube studies. They are now testing the most promising compoundin animals afflicted with fungal...First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall
...y and health information on theircharges, and they often exchange animals as well for outbreeding. In effect,the widely distributed lemurs are being genetically managed as if they werea single large population. Organizers already have identified a pool of possible candidates forrelease to Betampona. All a...Stopping "Cellular Suicide" Could Boost Production In Biotech Labs
...mal tissue. The key is to halt apoptosis, which is often triggered by changesin acell's environment. "It may be a viral infection, the loss of akey nutrient,radiation or a chemical toxin--all at sub-lethal levels,"Betenbaugh explains."These would not kill the cell by themselves. Nevertheless, thecell turns......ntified as a tumorsuppressorgene -- a gene that is often mutated or damaged in human breast cancers. In this month's Cancer Research, the Hopkins team says TSG101 wasconsistently normaland undamaged in human breast cancer cells. The cells could not correctly"read" TSG101, butresearchers said the sam...