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Science News for May 20, 2003


Bacteria convert food processing waste to hydrogen

Researchers have developed a process to extract hydrogen and methane from wastewater using bacteria, reducing the need for aeration and lowering treatment costs. This innovative method produces biogas containing up to 60% hydrogen and can be converted into electricity with high efficiency.

SourceAmerican Society for Microbiology·DateMay 20, 2003

New material improves treatment of urinary incontinence

Researchers have developed a new material made from micrometer-sized polymer beads that improves the treatment of urinary incontinence. The microspheres are well-tolerated by rats and anchor themselves to surrounding tissues, reducing the risk of allergic responses or degradation over time.

SourceAmerican Chemical Society·JournalBiomacromolecules·DateMay 20, 2003

Birds and humans have similar 'shopping' habits

Researchers found that hummingbirds can be influenced by the range of options available, making instant decisions based on perceived energy. This technique has implications for animal decision-making, conservation projects, and marketing theorists.

SourceNewcastle University·JournalProceedings of the Royal Society of London·DateMay 20, 2003
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Better end-of-life care in the ICU

A national survey of ICU directors found that over 85% identified at least one large barrier to end-of-life care, including unrealistic expectations and insufficient training in communication. The survey also revealed that widely endorsed strategies such as training and symptom management are not always available in institutions.

SourceAmerican Thoracic Society·DateMay 20, 2003

Camera pill reveals damage from anti-inflammatory drugs

A study using camera pills found that people taking NSAIDs regularly are at increased risk of small intestinal mucosal ulceration and bleeding. The study, which used capsule endoscopy to visualize the entire small intestine, detected erosions in 62% of NSAID users compared to 5% of non-users.

SourceBaylor College of Medicine·DateMay 20, 2003

Cost analysis of lung-volume-reduction surgery suggests 'cautious optimism'

A new study suggests that lung-volume-reduction surgery may be a cost-effective treatment for severe emphysema, particularly for patients who respond well to the procedure. The surgery costs around $35,000 per person, but its long-term cost-effectiveness is uncertain due to limited follow-up data.

SourceFred Hutchinson Cancer Center·JournalNew England Journal of Medicine·DateMay 20, 2003

Protein fragment found to help improve chemotherapy

USC researchers have identified a protein fragment, PEP, that can increase the effectiveness of chemotherapy drugs against tumors. By making tumor blood vessels more permeable, PEP allows for better drug uptake and increased chemotherapy efficacy.

SourceUniversity of Southern California·JournalJNCI Journal of the National Cancer Institute·DateMay 20, 2003

Major government study: Surgery is a good option for selected emphysema patients

A major government study found that surgery provides significant improvements in pulmonary function, exercise tolerance, and quality of life for selected emphysema patients. The study identified specific criteria, including CT scan patterns and exercise capacity, to determine which patients are best suited for surgical therapy.

SourceCedars-Sinai Medical Center·JournalNew England Journal of Medicine·DateMay 20, 2003
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Landmark cooperative study defines the role of lung surgery in the treatment of severe emphysema

A landmark cooperative study found that patients with upper lobe emphysema and low exercise capacity benefit more from lung volume reduction surgeries (LVRS), while those without these characteristics experience decreased survival and functional levels. LVRS improved lung function and exercise capacity, but had no long-term benefits.

SourceNIH/National Heart, Lung and Blood Institute·JournalNew England Journal of Medicine·DateMay 20, 2003

Selenium may inhibit progression toward Barrett's-related esophageal cancer

Researchers found that low blood levels of selenium are a risk factor for progression of Barrett's esophagus and that higher levels of selenium may inhibit the progression of this condition. The study suggests that adequate selenium consumption may lower cancer risk in people with Barrett's esophagus.

SourceFred Hutchinson Cancer Center·JournalJNCI Journal of the National Cancer Institute·DateMay 20, 2003

National emphysema results confirm Washington University findings

A national multicenter trial confirms that lung volume reduction surgery (LVRS) significantly improves the quality of life and life expectancy for patients with severe emphysema. The procedure, which involves removing diseased sections of lung tissue, allows patients to resume routine activities without breathing difficulties.

SourceWashU Medicine·JournalNew England Journal of Medicine·DateMay 20, 2003
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Tea fights bad breath

A laboratory study found that tea polyphenols inhibited the growth of oral bacteria, reducing volatile sulfur compounds. The study also showed that low concentrations of polyphenols hindered the enzyme catalyzing hydrogen sulfide formation, cutting its production by 30%.

SourceUniversity of Illinois Chicago·DateMay 20, 2003

Study suggests ways to improve ICU end-of-life conferences

The study found that physicians can improve ICU end-of-life conferences by providing emotional support, listening to family members' concerns, and allowing them more time to speak. This leads to increased family satisfaction and reduced conflict during the conference.

SourceAmerican Thoracic Society·DateMay 20, 2003

Quetiapine fumarate examined as monotherapy for acute mania

The study presents data on quetiapine fumarate's efficacy in managing symptoms of acute mania in patients with bipolar disorder. The medication achieved significant responses in 48.1% of patients, with a high completion rate compared to the placebo group.

SourceEdelman Public Relations, New York·DateMay 20, 2003

Patients with rectal cancer have better outcomes at busier hospitals

A study of 7,257 patients with rectal cancer found that those treated at high-volume hospitals had lower mortality rates and higher survival rates compared to those treated at low-volume hospitals. Patients at high-volume hospitals also experienced a lower risk of permanent colostomy.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMay 20, 2003

Environmental exposures in infancy linked to early asthma

A new study by USC researchers found that exposure to cockroaches, weed killers, pesticides, and other environmental pollutants in the first year of life are linked to an increased risk of early asthma. Daycare attendance before 4 months also contributed to this risk.

SourceUniversity of Southern California·DateMay 20, 2003
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Low-dose diuretics are the most effective way to treat hypertension

A new meta-analysis of 42 clinical trials involving over 190,000 patients found that low-dose diuretics significantly reduced the risk of heart attacks, strokes, and death. Low-dose diuretics were found to be more effective than other medications in preventing cardiovascular disease morbidity and mortality.

SourceUniversity of Washington·JournalJAMA·DateMay 20, 2003

One-third of young adults who outgrow asthma may relapse by age 26

A study found that one-third of young adults who outgrow asthma may experience a relapse by age 26. Those highly allergic or with bronchial hyper-responsiveness are at greatest risk. The study followed 1,037 New Zealanders to age 26, with detailed respiratory histories every two years.

SourceAmerican Thoracic Society·DateMay 20, 2003

Smoking and drinking appear to reverse beta-carotene’s anticancer effect

A new study found that beta-carotene supplementation increased colorectal adenoma recurrence risk among smokers and heavy drinkers. Randomized trials showed a significant decrease in adenoma recurrence risk without smoking or drinking, but paradoxical results when exposed to these lifestyle factors.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMay 20, 2003

Other highlights of the May 21 JNCI

Researchers have discovered a second mechanism by which LPA promotes ovarian tumor growth through increased cyclin D1 protein levels. Additionally, the identification of PEP, a peptide fragment with vasopermeability activity, may help reduce toxicity in cancer immunotherapy. A new study also suggests that p16 inhibitors play a role in ...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMay 20, 2003
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

NASA finds soot has impact on global climate

New NASA research reveals that soot particles in the atmosphere absorb twice as much sunlight as previously estimated, contributing significantly to global warming. The study's findings are based on analysis of global atmospheric measurements and computer models.

SourceNASA/Goddard Space Flight Center·JournalProceedings of the National Academy of Sciences·DateMay 20, 2003

$2.96 million for nuclear research center at Rutgers

The new center will conduct basic nuclear science research and partner with the Oak Ridge National Laboratory to acquire specific data for the DOE's scientific and engineering effort to maintain the nation's nuclear weapons. The partnership aims to engage faculty, postdoctoral researchers, and students in nuclear science research.

SourceRutgers University·DateMay 20, 2003

Six-year study shows lung reduction surgery works for some, not all

A six-year study found that lung volume reduction surgery improves quality of life and survival rates for patients with upper lobe emphysema who are unable to exercise. The procedure did not show overall survival benefits, but identifying non-beneficial candidates is crucial.

SourceSaint Louis University·JournalNew England Journal of Medicine·DateMay 20, 2003
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Pro-vitamin supplement may increase cancer risk in smokers and drinkers

A new randomized study found that beta-carotene supplementation increased cancer risk in smokers and drinkers, while decreasing risk in non-smokers and non-drinkers. The study's findings highlight the complexity of designing safe and effective chemopreventive strategies for any cancer.

SourceThe Geisel School of Medicine at Dartmouth·JournalJNCI Journal of the National Cancer Institute·DateMay 20, 2003

Laser measurements reveal biological basis of distance perception

Studies using laser measurements reveal the natural basis for human tendencies in judging distances, including a preference for distances of 6-12 feet and equidistance between objects. The findings support the theory that the visual system has evolved to make statistical guesses about distances based on past experience.

SourceDuke University·DateMay 20, 2003

Benefits of lung surgery reported for emphysema patients

The study found that lung surgery improves survival rates and function for some patients with severe emphysema, particularly those with concentrated disease in the upper lobes. However, patients with more diffuse disease and greater exercise capacity are at higher risk of complications.

SourceJohns Hopkins Medicine·JournalNew England Journal of Medicine·DateMay 20, 2003
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Public duped by media over MMR

A recent survey found that the public was misled by the media's coverage of the MMR controversy, with 53% assuming there was equal evidence for both sides. The study also revealed that journalists struggled to balance competing views on issues like climate change and genetics.

SourceEconomic & Social Research Council·DateMay 20, 2003

Partners seek city's footprint

A partnership between Cardiff University and the city council aims to determine the Welsh capital's ecological footprint, providing valuable data for planners to link economic growth and environmental protection. The study will help reduce the city's footprint in areas such as transport, energy, waste, and resource use.

SourceCardiff University·DateMay 20, 2003
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.