Brightsurf Science News & Current Events

December 10, 2001
A little larceny comes naturally to Northwestern crows
Crows and ravens are depicted as being clever and tricky animals in countless American Indian stories and legends.

New study shows early signals of climate change in earth's cold regions
Global mean temperatures have risen one degree Fahrenheit over the past 100 years, with more than half of the increase occurring in the last 25 years, according to University of Colorado at Boulder Senior Researcher Richard Armstrong.

Clean water for Nepal is focus of MIT research
An MIT project that aims to help provide clean drinking water for people in developing countries began with an extraordinary conference whose participants included an MIT engineer, the queen of Nepal, and about 75 illiterate peasant women.

New findings explain T-cell loss in HIV infection
Two independent studies from the NIH and the Aaron Diamond AIDS Research Center show that HIV accelerates the division of existing T cells, rather than depleting CD4+ T cells by blocking new T-cell production.

Study links cognitive impairment and heart failure in elderly patients
A multicenter study of 13,600 patients found a correlation between cognitive impairment and heart failure among older patients.

New global survey demonstrates an increasing demand for new treatments for non-Hodgkin's Lymphoma
In a survey of 230 physicians from around the world, the majority interviewed (63%) have seen an increase in the last five years in the number of patients suffering from non-Hodgkin's lymphoma (NHL).

New data support the safety and tolerability of the novel oral anticoagulant Exanta® in a range of life threatening clinical indications
The presentation of a range of data at the 43rd American Society of Hematology (ASH) meeting in Orlando this week, provides encouraging evidence to support the efficacy and safety of the novel oral anticoagulant Exanta® in both the long term prevention of blood clot* formation and its treatment.

Researchers recommend community advisory boards to prevent lapses in informed consent
Expanding the use of community advisory boards could go a long way toward preventing lapses in the informed consent process and safeguarding the interests of people who agree to participate in clinical research.

Budget received mixed reviews from Canadian Dental Association
The Canadian Dental Association responds to the federal budget.

Scientist anticipates major eruption of Peru's El Misti volcano
Scientist Jean-Claude Thouret is worried about the one million people who live in the suburbs and city of Arequipa in southern Peru.

Experimental Biology 2002 meets April 20-24 in New Orleans
In what has become one of the worlds most significant interdisciplinary gathering of biological and biomedical scientists, nearly 12,000 researchers from the United States and other nations will meet in New Orleans Saturday April 20 through Wednesday April 24 for Experimental Biology 2002.

U. of Colorado researchers identify switch that controls aging in worms
Two University of Colorado at Boulder researchers working with GenoPlex Inc. in Denver have identified a biological switch that controls lifespan in tiny worms, a finding that could have applications for mammals, including people.

Research finds Internet cigarette sales present potential threat to public health
Using the five most popular computer search engines to scour the Internet, University of North Carolina at Chapel Hill researchers have found that cigarette vendors are easy to locate online.

New generation of ocean exploration propelled by high-speed wireless technology
Opening the door to a new stage in ocean exploration, researchers at the Scripps Institution of Oceanography at the University of California, San Diego, have developed a new technology-driven approach to improving sea-going investigations.

Cotton doesn't shrink from climate change
A new NASA-funded study finds that cotton yields are likely to increase in the Southeastern United States if carbon dioxide levels continue to rise as projected this century, and if farmers can adapt their agricultural practices to the resulting climate change.

Large volcanic eruptions help plants absorb more carbon dioxide from the atmosphere
New NASA-funded research shows that when the atmosphere gets hazy, like it did after the eruption of Mt.

High blood triglycerides are independent risk factor for stroke
For the first time, researchers have shown that high triglycerides - a type of blood fat - are a strong independent predictor of a person's risk for stroke, according to a report in today's Circulation: Journal of the American Heart Association.

Red alert! 'recycled' ozone adds to health hazards in Zambia
Researchers analyzing harmful low-level ozone or

More chance of a cure for patients with common and aggressive form of blood cancer
Patients with an aggressive form of blood cancer, non-Hodgkin's lymphoma, can increase their chance of a cure with the new drug combination MabThera (rituximab) plus CHOP (standard chemotherapy), compared to standard chemotherapy alone.

NSF study examines lack of women, minorities in IT field
Though information technology workers are in high demand in today's job market, women and minorities seem to be steering clear of the field, a career decision Ohio University researchers suspect may be influenced by media messages people receive as early as middle school.

December media highlights - GSA BULLETIN
The December issue of the Geological Society of America BULLETIN includes research on a range of topics such as a probable volcano eruption in Peru, estuaries being key to helping prevent erosion, plate movement in central California, and new findings on the paleoenvironmental history of Lake Olduvai, a Pliocene lake.

Droplets in salt crystals confirm historic ocean changes
Microscopic water droplets trapped in ancient salt crystals provide evidence for a radical theory that the chemical composition of Earth's oceans has changed over the past 500 million years.

Online engineering exercises win top honor as learning aid
An award-winning free Web site on

Methane explosion warmed the prehistoric Earth, possible again
A tremendous release of methane gas frozen beneath the sea floor heated the Earth by up to 13 degrees Fahrenheit (7 degrees Celsius) 55 million years ago, a new NASA study confirms.

Researchers identify potential for prenatal gene therapy
University of Minnesota (U of M) Cancer Center researchers will present findings that demonstrate promise for prenatal gene therapy to correct neurological and genetic disorders today (Monday, Dec.

Lowering rates of beach erosion: estuaries may be key
Many geologists believe that the interaction between the tides and water moving down rivers causes sand to settle into estuaries that act as

University of Rhode Island Oceanographers awarded grant to develop equipment to improve measurements of ocean currents
Three URI Graduate School of Oceanography (GSO) scientists have been awarded $350,000 by the National Science Foundation to develop and make available to the oceanographic community an inexpensive, next-generation RAFOS float, a subsurface, acoustically-tracked instrument used to tag and follow the movement of water, and, in doing so, measure the speed, direction, and temperature of ocean currents.

SAFARI 2000 caputres pollution and climate interactions, debuts at AGU press briefing
During the year 2000, above average seasonal rainfall spurred vegetative growth in South Africa, providing more fuel for biomass burning and adding pollution to the atmosphere.

Drugs, electronics, and 'green' catalysts: The chemical year in review
In fields ranging from computers to medicines to the environment, chemists published work in 2001 that opened new paths that promise to make things better -- faster, smaller, safer.

Study shows new breast cancer drug letrozole shrinks tumors more effectively than tamoxifen
A new cancer drug called letrozole (trade name Femara®) worked better at shrinking breast cancer tumors than did the front-line breast cancer drug tamoxifen among a group of postmenopausal women with estrogen-positive tumors, according to a study coordinated by a Duke University Medical Center physician.
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