Environmental Reform: The Next Generation Project
...r the next 25 years. Organized by the Yale Center for Environmental Law and Policy, the workshop will bu...tection, technological innovations, and incentives for good environmental practices. The public is invited. The workshop, which will be held from 9:30 a....Asian Beetle, New In This Country, Threatens Brooklyn's Shade Trees
...aumatized enough as it is. This doesn't bode well for a tree that is under a lot of pressure to grow." N...ch and young larvae bore into the inner bark, feed for awhile, and upon growing larger, bore into the tree's heartwood and pupate in the spring. The adult...Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
..."refueling" siteswhere they can fill up on berries for the long haul. The Brown study indicates that thes... Studies in AvianBiology and tentatively accepted for publication in The Condor, Parrish found that a dietary switch from insects to fruit occurred to so...Human-Like Ability, Categorical Perception, Found In Insects
...ve crickets a perception test originally developed for human infants. "Crickets have to make a yes-or-no... biologists set up a cricket flight chamber, wired for sound, computerized data-gathering and a built-in breeze from a fan, to make the cricket think it is...Newly Discovered Bacteria Produce Magnetic Material
...ples extracted in 1993 by Texacoengineers drilling for oil and gas deposits near the Chesapeake Bay as pa... subsurface samples had been geologically isolated for some100 to140 million years. "In 1994," Phelps says, "we determined that these microbes from theTayl...Duke Primate Center Sets October Expedition To Find 'Juliet'
...announced an Oct.2-18 expedition to capture a mate for Romeo, the only diademed sifaka incaptivity. The d...ng lemurs.The animals are currently heavily hunted for food in their homeland of Madagascar,and naturalists believe they will become extinct within a decad...Harvard, Duke Researchers Discover 'Off-switch' Inside Human Cells
...mprehensive Cancer Center have discovered evidence for a new kind of "off-switch"inside human cells that ...of the cell's most prevalentbiochemical mechanisms for responding to chemical stimuli such as hormones. The scientists believe their basic discovery could...Duke Ecologist Says Logging Is Creating 'Mahogany Deserts'
...gany is not beingtreated like a renewable resource for the most part. In 99 percent of cases,it's being m...winds and subsequent fires. They must then compete for survivalwith other plant species also taking root there. "They apparently co-evolved with disturban...Major Plant Genome Research Project Underway
... according to Mary Clutter, NSF assistant director for biological sciences, and will lead to the creation...tional group of scientists who recognized the need for study of one plant with the basic properties of all plants. "During the past several years, Arabid......as of the brain. The researchers were able to show for the first time that structures higher up in the br...s like a squeaky door. But it's a wonderful system for studying learning and memory, which are central questions in neurobiology," he said. "It's interesti...PET Project Helps Reduce Pollution Threat From Heavy Metals
...engineering at UC. Sansalone calls thesystem "PET" for partial exfiltration trench. It's a modificationof...iant strainer. "The system is a veryeffective trap for solids that are washed off the highway," saidSansalone. "Solids are stopped right at the surface of ...Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...pictureof -- specific cells that contain receptors for a hormone-like substancemade by the immune system ...lly, researchers identified two types of receptors for interleukin-1(IL-1), a molecule produced by the body's immune system during a bacterialinfection, on...Discovery Could Help Understand Breast-Cancer Therapies
... and how they become resistant to tamoxifen,which, for 20 years, has been the anti-estrogen agent most co...activity important in bone maintenance, especially for postmenopausalwomen, and for cardiovascular protection. But estrogen also increases therisk of breas...Component In Soy Products May Be Substitute For Estrogen Treatment
CHAMPAIGN, Ill. -- Soy protein used for six months by nutrition scientistsin a low-fat, low-cholesterol diet for 66 postmenopausal women increasedbone-mineral density, providing evidence that a key compound in soy...Researchers Identify A New Cellular Structure: The "Dumposome"
...structure that acts asa selective garbage disposal for unneeded DNA. The recently identified cellular com...archers. "It's basically a little garbage disposal for eating extra DNA." Dumposomes appear only briefly during the life cycle of Tetrahymena. Over a ...Green Glow: Not Only For Halloween
...the green glow. "The unusual molecule responsible for the glow resembles a chinese finger puzzle: a barr...o study the modified GFP because it is more useful for cell biologists, glowing much more brightly than the natural variant. In a second experiment...End Of World Population Growth Projected For 21st Century
...Environment Project at the International Institute for Applied SystemsAnalysis (IIASA). According to ...d and reflect the impact of alternativeassumptions for birth rates, migration and death rates. Based on expertopinions, the projections include confidence ...New Software Provides Quick Analysis of ion-Channel Activity
...searcher can discover in minutes how long it takes for an ion channel to change from one conformation to ... provide biophysicists with a powerful tool useful for both basic and applied research. Sachs explained that better information on these proteins could ma...Newly Discovered Gene Halts Cell Division and May Have Cancer Link
... gene to be identified that serves as a checkpoint for cells to progress into the final stages of cell di...round each chromosome like a napkin ring. In order for a cell to divide, thread-like fibers must attach to each centromere and pull the chromosomes apart. ...Cholesterol Anchor Helps Signaling Proteins Direct Development
...unt has revealed that cholesterol, often villified for its role in heart disease, actually wears a white ... on and off genes in many individual cells, coding for special traits needed to help create limbs, eyes, spinal column, or other structures. In recent year...