Tag: "decisions" at biology news

Human-Like Ability, Categorical Perception, Found In Insects

...t so special when it comes to making life-or-death decisions in an instant, a Cornell University study of insect hearing has found. Even the lowly cricket employs a sophisticated capability, called categorical perception, when its life (or love life ) is at stake. "Crickets -- and probably many other types o...

Prostate Cancer's Aggressiveness May Be Predicted Early By The Ratio Of Free To Total PSA

...physician and patient in a better position to make decisions about treatment," says Dr. E. Jeffrey Metter, Medical Officer for the Baltimore Longitudinal Study of Aging (BLSA) of the NIA, one of the study's authors. "Physicians need a reliable way of distinguishing which cancers are serious, life-threatening ...

Ozone 'Chat Room' Provides Real-Time Air-Quality Research

...y will agree to the basic principles of management decisions before they are implemented. "Second, the interactive Internet approach has altered the way environmental research itself is done. Much wasted time and energy are eliminated by cutting down on travel and meetings, and fresh research is posted fre...

DNA Testing For Genetic Disorders: 'Does It Run In The Family?' Explains Options, Limitations, Problems

...allen gives people the knowledgewith which to make decisions concerning genetic testing for suchdisorders as Al...n is clear, concise, and sensitiveto the difficult decisions that fmailies will have to make." Does It Run in the Family is published by Rutgers University Pr...

Guidelines For Next Generation Of Environmental Policy

...fluence the choices of allAmericans, because their decisions about what to buy, where to live, how much todrive, what to throw away, and where to shop will profoundly shape the qualityof our environment," Ms. Chertow says. "Thinking Ecologically" is the final product of "The Next GenerationProj...

Are CDC's 1997 Recommendations For Targeted Lead Screening Of Children Justified?

...ations for children which calls forlocal screening decisions as opposed to universal screening are insupportabl...c status groups. CDC writes that screening decisions should always be based on the levelof risk in the population to be screened and that it is not sound...

Good Ergonomics Is Good Economics

...personal list of "common sense" engineering design decisions that have resulted in serious accidents, fatalities, or just plain poor usability. Buy me a beer and I'll be glad to tell you some of my personal ergonomics "war stories." I also would refer you to Steve Casey's book, Set Phasers on Stun (Santa Barba...

University At Buffalo Energy-Conservation Projects Record Highest Savings Among Campuses

...jects at colleges and universities areproving that decisions that are good for the environment also can be good forthe bottom line. "Environmental concern is not an afterthought at UB," said Robert J. Wagner, UBsenior vice president. "We are genuinely committed to environmental stewardship,leadership and excel...

New Fluorescence Technique For Ultra-Sensitive Enzyme Characterization Developed - Screening Catalytic Activity At The Single-Molecule Level

... therefore, analysis times for simple yes-or-no decisions are much shorter and data evaluation is faster. As reported by the authors, analysis times of one second per sample and less were achieved with endonucleolytic assays; sample volumes could even be reduced to submicroliters without decreas...

Excavations In Prehistoric Chinese Cave Uncover Unusual Collections Of Large Mammals

... of game animals,but there are some very conscious decisions about uses and whatgets transported back into the cave. Our suspicion is they'reprobably being used for other purposes," said Schepartz. The evidence for complex behaviors extends to the stone toolsfound in the Panxian Dadong Cave during the January ...

USGS To Study Young Forests And Streamsides In Western Oregon

...reas--will help forestmanagers make wise, informed decisions regarding these valuable naturalresources." USGS will coordinate the Cooperative Forest Ecosystem Research (CFER) Program,working in partnership with state and federal researchers and resource managers. "Because of the diversity of plant communities...

Renowned Breast Cancer Experts Present Latest Findings At UCSF Cancer Center Symposium

...tcancer patients and their doctors can use to make decisions about surgery orchemotherapy. With more women choosing less invasive surgery or using chemotherapy to shrinktumors prior to surgery, it becomes increasingly important to define theboundaries of tumor tissue adequately, so that the tumor can be remove...

Chocolate Treats Can Land Racehorse Trainers In Trouble

...ntrations and becomingmore comfortable with making decisions about penalties, the rule remainsthat any foreign substance in a sample collected from a horse is a violation. “Although the Florida trainer was eventually exonerated, he may have spent a few thousand dollars on testing,” Sams said. “...

Africa At The Turning Point

... and social status limit their influence in family decisions and their ability to use contraception and health services. The comprehensive PAI study provides examples of the substantial headway some African governments are making in improving reproductive health in the region--answering critics skeptical of d...

New Model Makes It Possible To Predict Emergence Of Antiviral Drug Resistance

...erssuch analyses unfeasible, leading by default to decisions not to promote drugtreatment when there is a risk of drug resistance developing." The UCSF mathematical model, which traced the dynamics of drug-sensitive anddrug-resistant herpes simplex virus in the general population, was designed topredict how mu...

University Of Georgia Researchers Help Design Decision Support System For Forest Managers And Owners

...ms (DSS),computer programs that help managers make decisions in situations where humanjudgment is important but where limitations on the ability of judgment impededecision-making. These systems have been in use, in one form or another, fornearly 20 years, but with increasingly powerful and sophisticated comput...

New Medication Means New Choices For Families Dealing With Alzheimers Disease

...th manyextremely difficult decisions. One of those decisions is whether or not to treattheir ill family member ...e or sex," saysKettl. "The difference in treatment decisions was determined more by how far thedisease had progressed. For patients who were in the early stages ...

A New Molecular Marker For Prostate Cancer

... addition, the marker can help doctors make better decisions about treatment,ensuring that men most likely to develop metastatic disease undergo aggressivetherapies. It will also help identify men who can avoid the most intensive andexpensive treatments," he says.The American Cancer Society estimates that thi...

Largest Generation Of Adolescents Faces Reproductive Health Risks

...nce on howadolescents in developing countries make decisions about sexuality, whereasfamily opinions are given ...ese adolescents enter theirchildbearing years, the decisions they make about sexuality and childbearingwill have life-long significance. Today more young women i...

Molecular Marker May Identify Bladder Cancer Patients Most Likely To Recur

...ther molecular markers like p21 to guide treatment decisions inbladder cancer patients -- one of the first of its kind. In an editorial in the same issue of the journal, oncologists Randall Millikanand Christopher Logothetis of the M.D. Anderson Cancer Center in Houston, Texas,write that more research is neces...

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