Brightsurf Science News & Current Events

March 23, 2007
Bacteria from patient's dental plaque causes ventilator-associated pneumonia
Patients admitted to a hospital's intensive care unit already are seriously ill, so the last thing they need is a new infection.

University of the Basque Country team succeed in characterizing boron nitride on a nanometric scale
The Physics of Materials team at the University of the Basque Country (UPV/EHU), part of the Mixed Center created between this UPV/EHU Physics of Materials team and the European Theoretical Spectroscopy Facility (ETSF), led by Ángel Rubio, has completed the first comprehensive study of the properties of boron nitrite on a nanometric scale.

New evidence puts 'Snowball Earth' theory out in the cold
The theory that Earth once underwent a prolonged time of extreme global freezing has been dealt a blow by new evidence that periods of warmth occurred during this so-called

Salamanders suffer delayed effects of common herbicide
Pollution from a common herbicide might be causing die-offs in stream salamanders, according to biologists who say findings from their long-term study raise concerns over the role of atrazine in global amphibian declines.

Scientists explore genetics and society
Professor Winston, renowned for his award-winning BBC science programs, will address the 4th International Center for Economic and Social Aspects of Genomics (CESAGen) conference held at the Royal Society, London (March 26-28).

Microfossils unravel climate history of tropical Africa
Scientists from the NIOZ Royal Netherlands Institute for Sea Research obtained for the first time a detailed temperature record for tropical central Africa over the past 25,000 years.

Action for communities -- Canada's New Government announces pine beetle funding
Canada's New Government is joining forces with British Columbia to take action against the mountain pine beetle epidemic.

New evidence of 'human' culture among primates
Fresh evidence that suggests monkeys can learn skills from each other, in the same manner as humans, has been uncovered by a University of Cambridge researcher.

Laying microscale tiles
Korean researchers have come to the realization that even tiny molecular components can be arranged in a

Faulted modeling
Factoring in crustal strength changes along the San Andreas Fault would improve the predictive models that researchers use to understand the likelihood and intensity of earthquakes there.

Study describes action of estrogen in protecting bone
Researchers at the University at Buffalo have described a novel pathway by which estradiol, the primary estrogen in humans, aids in maintaining bone density, a function critical to avoiding osteoporosis.

Use of oral fluids to diagnose and treat disease
Oral fluids hold promise as a potential alternative to blood as a diagnostic fluid.

Scientists progress in successful tissue engineering
Tissue engineering is a relatively new field of basic and clinical science that is concerned, in part, with creating tissues that can augment or replace injured, defective, or diseased body parts.

Sex in the 1700s
Prostitutes, perversions and public scandals -- the stuff of the 21st century tabloids was familiar to readers three centuries earlier, according to new research from the University of Leeds.

Healthcare experts to discuss RFID technology & policy issues at First IEEE RFID Conference
Healthcare experts will discuss the challenges and opportunities of RFID technology in health care and its implications on government policy during the first IEEE International RFID Conference (IEEE RFID 2007).

Scientists question our understanding of the universe
Cosmologists from around the world will meet at Imperial College London next week to challenge the theories behind the

Simulated populations used to probe gene mapping
Statisticians and genetic epidemiologists from Rice University and The University of Texas M.

Security that nets malicious Web sites
Have you ever wondered how fraudulent or malicious Web sites can rank highly on search engines like Google or Yahoo?

TV's beauty makeovers mask ugly truths
Fans and critics alike of beauty makeover shows will find something worth debating in a research paper published by University of Alberta philosophy professor Dr.

'Ancestral eve' was mother of all tooth decay
Researchers at NYU College of Dentistry have found the first oral bacterial evidence supporting the dispersal of modern Homo sapiens out of Africa to Asia.

Latest outdoor-related treatments detailed in new wilderness medicine book
Elsevier, the world-leading science and medical publisher, today introduced the 5th edition of Wilderness Medicine, the definitive clinical reference on its unique subject.

Alejandro Fanjul Fernández designs a telemedicine system using interactive digital television
Telecommunications engineer at the Public University of Navarre, Alejandro Fanjul Fernández, has designed a pioneering system of telemedicine for interactive digital television.

Feeling the Earth move
Some types of underlying geology make soil liable to subside, especially (but not exclusively) where there are underground mines.

Tissue engineering for craniofacial reconstruction
Tissue engineering has emerged as a promising alternative for the reconstitution of lost or damaged organs and tissues, circumventing the complications associated with traditional transplants.

Scientists re-grow dental enamel from cultured cells
Dental enamel is the hardest tissue produced by the body.

New approaches to the diagnosis of oral cancer
Oral cancer is diagnosed in more than 30,000 individuals in the US annually, claiming 10,000 lives each year.

13th International Conference on Artificial Intelligence in Education
The research presented links theory and technology from artificial intelligence, cognitive science, and computer science with theory and practice from education and social science to bring a wide range of tools to bear on the task of creating systems to help people learn.

IADR/AADR meeting to highlight dental practice-based research
The 2007 meeting of the International and American Associations for Dental Research will feature a symposium on research that is conducted in the everyday practice of dentistry.

Study shows metabolic strategy of stressed cell
Investigators at St. Jude Children's Research Hospital have mapped out many of the dynamic genetic and biochemical changes that make up a cell's response to a shortage of a molecule called Coenzyme A (CoA), a key player in metabolism.

New survey evidence on the health and well-being of England's older generation
Many people aged 65 and over lead healthy and active lives, but others of their generation face severe health challenges as they get older.

Growing, at-risk Hispanic population stresses need for global cancer prevention plan
Hispanics are the fastest growing minority population in the United States, and a Cincinnati medical oncologist says this trend highlights the urgent need for a national health agenda on cancer prevention and education that spans both developed and developing countries.

Chemists strike gold with new gold catalysts
Few people look beyond gold's glitter and rarity, but chemists have found that its chemical properties are just as interesting, making it a unique catalyst for producing unusual organic molecules.

Rode awarded prestigious SOM Engineering Fellowship
Kiley M. Rode, a senior in Stevens Institute of Technology's Civil, Environmental and Ocean Engineering Department, has been awarded the prestigious and internationally-known SOM Engineering Fellowship.

Canada's New Government invests $5 million in Britannia Project
The Honourable Gary Lunn, Minister of Natural Resources, today announced $5 million in funding for the Britannia Project. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to