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Science News Archive 2003


Page 21 of 108

Childhood obesity? School food service personnel say NIMBY

A study by Penn State researchers found that school service personnel who participated in a Project PA workshop recognized the importance of nutrition education and healthy eating behaviors in addressing childhood obesity. The participants identified parental attitudes, peer pressure, and media as barriers to students' healthful eating...

Straight from the heart

A Canadian study compared outcomes for patients with elevated cardiac markers who received a home health nurse-delivered disease management program versus those without. The results showed significant reductions in hospitalization days for congestive heart failure and angina. A commentary highlighted the need for a national program to ...

Suffer the children

A Canadian study found that 96% of substantiated child abuse cases did not result in serious physical harm, highlighting the need for a reevaluation of investigative procedures and risk assessments. The study's findings also raise concerns about the emphasis on rapid intervention over longer-term service needs.

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.

Pollutant-eating microbe could speed gasworks cleanup

A newly discovered bacterium, Polaromonas naphthalenivorans strain CJ2, has been found to break down naphthalene and other toxins in coal tar contamination. The discovery was made using a new technique called stable isotopic probing (SIP), which allowed researchers to identify the microbe's DNA signature.

A tale of mice and men and how brains develop

A new study has identified a crucial connection between genes involved in brain development and human diseases such as epilepsy, mental retardation, and schizophrenia. The findings have significant implications for understanding the causes of these conditions and potentially leading to new treatments.

Apple iPhone 17 Pro

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

Bad Mileage: 98 tons of plants per gallon

A study by ecologist Jeff Dukes calculates that 98 tons of plants per gallon are needed to produce modern fossil fuels. The research found that the amount of carbon in ancient plant matter required to form coal, oil, and gas is equivalent to all the plant growth on Earth over 13,300 years.

Biological trick reveals key step in melatonin's regulation

Melatonin levels are high at night and low during the day, but a newly discovered regulatory mechanism reveals how exposure to light accelerates melatonin disappearance. The study identified a critical phosphate group in enzyme AANAT that determines its stability, shedding new light on cellular processes.

Respiratory health endowment to coordinate public education about asthma

The American College of Chest Physicians has been awarded a scholarship by GlaxoSmithKline to create an educational program on respiratory health and advance best practices in patient care. Dr. Martin will investigate how to implement asthma guidelines into primary care practice and educate the public about them.

Former NHLBI director Lenfant receives Lifetime Achievement Award

The American College of Chest Physicians awarded Dr. Lenfant its first-ever Lifetime Achievement Award in recognition of his outstanding leadership and contributions to the field of pulmonary and cardiovascular medicine. He oversaw major clinical trials that have had a significant impact on disease treatment and prevention.

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.

Medical professionals embrace patient-focused care revolution

The ACCP's new Patient-Focused Care Pledge emphasizes the provider's role as a patient advocate, highlighting the importance of interdisciplinary care and lifelong learning. The pledge aims to improve patient outcomes by prioritizing patient needs in all medical specialties and practice types.

Chest Foundation 'Stories at the End of Life' released

The CHEST Foundation's new series aims to promote physician-family communication and provide comfort to those confronting difficult experiences. The six booklets cover themes such as survival, poetry, and acceptance, offering healing and closure to contributors and readers alike.

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.

Sanity evaluations from U.Va Health System

Researchers found that minorities were less likely to receive an insanity opinion than whites, but the difference was small. The study also suggests that a community-based forensic mental health system in Virginia is reliable for offering insanity opinions.

Consumers value genetically modified foods that directly benefit them

A study by Purdue University found that consumers are willing to pay a premium for genetically modified foods that provide direct benefits, such as golden rice with enhanced vitamin A content. The research also identified a technique called 'cheap talk' that can help reduce consumer bias in marketing surveys.

HHS awards $14 million to support Bioethics Research Center

The grant will enable the university to renovate historic facilities, consolidate research programs, and promote interdisciplinary collaboration. The center aims to address health disparities and provide guidance on bioethics research practices.

Newly identified gene may halt fuzzy, moldy fruit

A newly identified gene, BOS1, has been found to regulate plant response to both biological and non-biological stresses. This gene provides resistance to the gray mold disease that destroys up to 30% of tomato and strawberry crops annually.

UK childhood blindness more common than previously thought

Childhood visual impairment and blindness in the UK are more common and severe than assumed, often linked to complex disabilities and increased mortality rates. The study highlights the need for new interventions to address this largely insurmountable burden of blinding eye disease in industrialized countries.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Adaptive mutation is common in E. coli, say IU researchers

E. coli cells quadruple Pol IV enzyme production as they starve, allowing them to adapt and survive through increased genetic variation. This discovery could help hospitals combat nosocomial infections by developing new strategies for quickly mutating bacteria.

NIST Director urges better security for critical industrial systems

The NIST Director emphasizes the importance of improving security for critical industrial systems, particularly those using Supervisory Control and Data Acquisition (SCADA) technology. Immediate actions can be taken, such as creating basic security policies and closing system backdoors, to enhance SCADA security.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Poor prognosis linked to BRCA1 mutations

Women with BRCA1 mutations have a poorer prognosis for breast cancer compared to those without the mutation. However, chemotherapy may improve survival rates for these patients. The study suggests that physicians should consider BRCA1 mutation status when making treatment decisions.

E-Commerce and the environment: Good news or bad?

Research in the Journal of Industrial Ecology reveals that seemingly small e-commerce decisions can have significant environmental impacts, often shifting from positive to negative effects. Positive IT effects are typically limited to 5-20% reductions in pollution or energy use.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Clay may have aided formation of primordial cells

Researchers found that adding clay to fatty acid micelles greatly accelerated vesicle formation, and even demonstrated growth and division in these physical-chemical systems. This discovery offers a possible pathway for the evolution of living cells, with implications for understanding the origins of life on Earth.

BioScience seeks nominations of beauteous experiments

The contest aims to honor biology experiments that are considered aesthetically pleasing, with a panel of experts screening nominations. The journal's goal is to encourage creative thinking among biologists about both famous and obscure experiments.

Landmark study offers new information about breast cancer genes

A landmark study provides accurate lifetime risk estimates for BRCA1 and BRCA2 gene mutations, with women carrying the BRCA1 gene facing a 54% risk of ovarian cancer. The study also highlights the negative impact of obesity and lack of exercise on breast cancer development in women with the mutation.

The statin wars: Why AstraZeneca must retreat

AstraZeneca's rosuvastatin has an inferior evidence base supporting its safe use compared to competitors. The company is facing unusually acute commercial pressure to force the drug into the market.

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.

Improving the body's 'homeland security' against TB

Researchers at Rockefeller University have discovered a new pathway, LRG-47, that can disarm TB and prevent its replication in mice. Strengthening this defense could lead to new treatments for latent TB infections, which affect an estimated 10 to 15 million people in the US.

Amber waves of grain on a mission to Mars

Researchers at Lawrence Berkeley National Laboratory and NASA have developed a process to convert inedible wheat grass into activated carbon, absorbing nitrogen oxides and producing fertilizer. This technology could support a crew of six astronauts on a three-year Mars mission by recycling waste and conserving materials.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Gauging the economic impact of government R&D programs

Economic assessments of government R&D programs should be designed to measure productivity, quality, and reliability impacts on production and commercialization. A study's timing is critical, conducted within three to 10 years after a technology's significant marketplace impact.

New class of antibiotics stops pathogens in their genetic tracks

A new class of compounds called CBR703 series inhibit RNA polymerase, a key enzyme in gene expression, and hinder the ability of bacteria to perform crucial catalytic functions. The compounds render RNA polymerase useless by binding to a specific place on the enzyme.

Laser therapy offers hope for acne sufferers

A new study published in The Lancet found that pulse-dye laser therapy (PDL) was effective in reducing acne symptoms by half at three months. PDL treatment was also well-tolerated and showed the largest effect within four weeks, suggesting it could be a promising alternative to daily conventional pharmacological treatments.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Will stop-smoking patch help slow memory loss?

Researchers aim to enroll 75 men and women at three sites over three years to assess nicotine's effect on memory loss. The study, funded by a $1.5 million grant, will provide insights into potential treatments for mild cognitive impairment.

Developing elevators that function during fires

NIST is working on redundant elevator power systems and waterproof components to maintain safe operation during fires. The institute will use virtual reality simulation to test emergency evacuation procedures and collaborate with global experts to establish standards.

Green mineral indicates red planet is dry

The USGS has discovered a vast area of green mineral olivine on Mars, suggesting that the planet's surface has been dry and free from recent water activity. This finding is significant as it implies that the Martian surface has not experienced significant chemical weathering due to liquid water.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Recent warming of Arctic may affect worldwide climate

A recent study found that the Arctic warmed significantly over the last decade, with the largest temperature increases occurring in North America. The study's results have direct connections to other NASA-funded research on declining sea ice extent, which could lead to positive feedbacks and further climate change.

Science survey ranks top biopharma employers

The American Association for the Advancement of Science conducted a survey to identify top biopharma employers, with Genentech Inc. and Johnson & Johnson taking the first two spots. The survey analyzed responses from 910 Science readers and assigned scores based on specific characteristics.

Mutant gene linked to obsessive compulsive disorder

Researchers identified a mutation in the human serotonin transporter gene, hSERT, associated with OCD, which may result from a genetic double hit increasing serotonin transport and leading to treatment resistance. The study provides insights into transporter function and potential tests for identifying and treating mental illness.

Experimental hantavirus vaccine elicits strong antibody response in primates

Researchers at the US Army Medical Research Institute of Infectious Diseases have developed a hantavirus vaccine that elicited a potent neutralizing antibody response in rhesus macaques. The vaccine, which uses a naked DNA approach, also provided protection against hamster infection when administered after exposure.

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.

Study reveals low complication rates for reconstruction after radiation therapy

A study of 85 breast cancer patients reveals low complication rates for reconstruction after radiation therapy, with no major complications in TRAM flap recipients and only 5% of implant patients experiencing major complications. The study also found that TRAM patients had superior cosmetic scores compared to implant recipients.

November's Ophthalmology journal

The American Academy of Ophthalmology has published several new studies on various eye conditions, including amblyopia, glaucoma, and corneal surgery. Researchers have explored the effectiveness of patching regimens for treating severe amblyopia in children and found promising results.

UBC researcher discovers 'control room' that regulates immune responses

Wilfred Jefferies and his team have discovered a cellular pathway that triggers immune responses and identified a specialized organelle within dendritic cells controlling immune system activation. The findings hold enormous implications for patients, enabling targeted treatment adjustments to regulate immune responses.

U-M scientists find genetic 'fountain of youth' for adult stem cells

Researchers found that Bmi-1 is essential for self-renewal in two types of adult stem cells: neural stem cells from the central nervous system and hematopoietic stem cells. This discovery may lead to a better understanding of cancer development, as Bmi-1's overexpression can promote uncontrolled growth.

Study finds way to dramatically increase hematopoietic stem cells

A new study found that treating hematopoietic stem cells with parathyroid hormone increases their numbers and improves bone marrow transplantation outcomes. The research team discovered a cellular-signaling pathway called Notch that is involved in the process, which they believe can be exploited to enhance stem cell populations.

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Teens want relationship help along with sex health info

A study analyzing over 1,200 questions from teenagers reveals that most queries focus on bodily symptoms, relationships, and pregnancy, while few address contraception and sexually transmitted infections. The researchers emphasize the importance of integrating mind and body discussions to meet teens' comprehensive needs.

Retroviral protein triggers proliferation of immune cells

The study reveals that retroviral protein p12 stimulates the growth and proliferation of immune cells known as T lymphocytes by producing interleukin 2 (IL-2). This finding supports the view that HTLV-1 virus replicates mainly by causing infected cells to divide and proliferate.