Brightsurf Science News & Current Events

July 02, 2002
Similar pathways may be involved in hereditary and sporadic ovarian cancers
New research suggests that hereditary and sporadic ovarian cancers may share similar genetic pathways that lead to the disease.

Other Highlights in the July 3 Issue of JNCI
Other highlights of the July 3 issue of JNCI include a study suggesting that anethole dithiolethione can help delay the progression of bronchial dysplasia in smokers, a study suggesting that vitamin B12 may be used as an effective carrier molecule of chemotherapy drugs, a study examining the relationship between aminopeptidase and leukemia cell apoptosis, and a review suggesting a mechanism for how certain dietary and other factors may promote colon cancer.

Retiree drug costs will remain steep under house plan, Emory study shows
Contrary to widespread expectations of substantial relief in the offing, Medicare beneficiaries, overall, will still have to pay 70 percent of the costs of their prescription drugs under the terms of the Medicare drug plan passed by the House of Representatives on June 28, according to an analysis by Kenneth E.

Ames Laboratory puts the 'squeeze' on communications technology
Ames Lab researchers have developed a software program that optimizes communication functions for both supercomputers and large computer networks.

Grant to boost math scholars
Boosting the numbers of graduate students seeking careers in mathematical sciences is the aim of a new program at the University of California, Davis.

Seven of ten cured of rectal cancer
These days, more than seven of ten victims of rectal cancer can be cured.

Italy now faces worldwide storm of protest over fertility proposals
Vienna, Austria: Italian legislators now face worldwide condemnation by fertility experts for IVF proposals that could encourage multiple pregnancies and put babies at risk.

URI biological oceanographers study potentially toxic microalgae on the northeast coast
In a recent issue of Northeastern Naturalist, University of Rhode Island biological oceanographers Paul E.

Fertility treatments increase incidence of twins at a cost
Fertility treatments can increase multiple births and, in doing so, impose long-range costs in schooling and income on the resulting children, according to researchers at the University of Pennsylvania.

Researchers arming farms to halt increases in greenhouse gases
New farm practices and new breeds of crops might someday add to mankind's toolbox for controlling greenhouse gases.

Saint Louis University geologist's discovery may unlock secrets to start of life on Earth
A Saint Louis University geologist has unearthed further evidence in his mounting case that shifting of the continents -- and perhaps life on Earth -- began much earlier than many scientists believe.

Practice makes perfect, if you sleep on it
This research provides evidence that a night of sleep results in a 20 percent increase in motor speed without loss of accuracy, while an equivalent period of time awake does not provide a significant benefit to performance.

Vaccination delays onset of prion brain disease in mice
Immunization with a non-toxic genetically engineered prion, a protein that causes a group of fatal brain diseases, including mad cow disease, delayed the onset of brain disease in mice, according to a preliminary study by NYU School of Medicine researchers and colleagues.

Monkeys that drink heavily develop signs of liver disease, Wake Forest study shows
Monkeys that choose to drink alcohol heavily develop early signs of alterations in the liver, according to research by a team of investigators from Wake Forest University School of Medicine.

Smoking decreases men's chances of fatherhood by IVF and ICSI
Men who smoke reduce their chances of successfully fathering a child by either standard IVF techniques or by ICSI, according to research carried out in Germany.

New method of turning off viruses may help control HIV infection, says Jefferson scientist
A natural method of disarming some types of viruses may enable scientists to someday treat infections with HIV, the AIDS virus, according to a virologist at Jefferson Medical College.

Can the sphinx keep its feet dry?
The monuments of ancient Egypt may have stood for thousands of years in the desert sands, but now they face a new threat -- from rising groundwater.

Postmenopausal hormone therapy offers no protection against heart attacks
Although therapy with hormones was once thought to protect women's hearts after menopause, a UCSF-led study has found that, at least for women with heart disease, estrogen plus progestin therapy does not reduce the risk of heart attack or death.

ACS's JobSpectrum to help state labs fill public health jobs; fight terrorism
The American Chemical Society through its comprehensive online career and employment site,
Sustainable Forestry Initiative Standard enhanced with new measures to protect biodiversity
The Sustainable Forestry Board (SFB) - an independent, group of conservationists, forestry industry leaders and other experts - announced today the adoption of several new standards for the Sustainable Forestry Initiative® Standard (SFIS), whose certification requirements are applied to more than 60 million acres in North America.

Breakthrough! UNC scientists' research promises improved X-ray machines using carbon nanotubes
The basic technology that produces X-rays has remained essentially the same for a century, but now scientists and physicians at the University of North Carolina at Chapel Hill and Applied Nanotechnologies Inc. say they should be able to improve it significantly.

'Power nap' prevents burnout; morning sleep perfects a skill
Evidence is mounting that sleep - even a nap - appears to enhance information processing and learning.

Prostate cancer incidence trends reveal extent of screening-related overdiagnosis
A new look at the recent surge in prostate cancer incidence suggests that 29% of cases in white men and 44% of cases in black men that are detected by prostate-specific antigen (PSA) testing, may represent overdiagnosis, or the detection of cancers that otherwise would not have been detected within the patient's lifetime.

Selective nanofilters for proteins, DNA
A new type of nanotechnology-based filter that can separate out mixtures of biological molecules has been developed by researchers at the University of California, Davis.

First direct evidence that environmental oestrogens affect sperm fertility
Researchers have found the first evidence that oestrogens from the environment, and also ones that occur naturally in our bodies, significantly affect the fertilising ability of sperm.
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