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Science News Archive 2006


Page 94 of 178

Oregon researchers show how resident bacteria shape gut development

Oregon researchers used germ-free zebrafish to study how gut bacteria influence development. They found that specific bacterial components can restore normal enzyme levels and regulate sugar expression on intestinal cells. These findings could lead to better treatments for diseases like inflammatory bowel disease.

Early puberty may mean anxiety, abnormal eating behaviors later

Researchers found that early pubertal boys and girls were more likely to engage in abnormal eating behaviors and experience anxiety as young adults. The association suggests long-lasting changes in brain circuitry during early puberty, influencing behavior and cognitive functions.

Forget the label. Portion size is all in your mind

Researchers found that people tend to consume a single unit of food when served in a small portion, despite the actual quantity being larger. This 'unit bias' helps explain how environmental factors influence eating habits and may contribute to obesity.

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.

New Lemur species named for CI President

A new lemur species has been named Microcebus mittermeieri in honor of Conservation International President Mittermeier. The discovery was made by researcher Mireya Mayor and her team, highlighting the importance of protecting Madagascar's vital lemur habitat.

Buckyballs boost antibody's chemotherapy payload

Scientists at Rice University and M.D. Anderson Cancer Center have developed a method to load multiple anticancer drugs into a single antibody, increasing the effectiveness of chemotherapy. The use of buckyballs, soccer ball-shaped molecules of pure carbon, allows for the creation of targeted therapeutics with unique properties.

Scientists find the reason behind black holes' light shows

New X-ray data from Chandra reveals that magnetic fields are responsible for the prodigious amounts of radiation emitted by super-massive black holes. The discovery uses a scale model in our galaxy to understand how all black holes work, including those powering quasars.

Apple iPhone 17 Pro

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

Hormones could be prescription for living longer

Research suggests a protein derived from fat tissue, adiponectin, may play an important role in longevity. Boosting growth hormone production also shows promise in extending independent living among the elderly.

UCI researcher named Pew Scholar

Sheryl Tsai receives $240,000 to pursue her work on polyketide synthases, enzymes that produce natural products used in pharmaceuticals. Her research aims to develop new drugs for cancer and other diseases.

Education, retraining reduce catheter-associated infections in ICUs

A study found that education and retraining programs reduced serious bloodstream infections associated with central venous catheters by 21%. The intervention, which included updating ICU policies and training modules for clinicians, also prevented 131 serious bloodstream infections and avoided over 250 additional hospital days.

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.

Reduced antibiotic prescribing is associated with increased hospital admissions

A study published in the Journal of the Royal Society of Medicine found that reducing antibiotic prescribing was associated with an increase in hospital admissions for respiratory infections. The research analyzed data from over 15 million hospitalizations and suggested that limiting antibiotic use may not be beneficial in all cases.

Montreal researchers identify defects of immune cells

Researchers at the University of Montreal have identified defective immune cells as a primary cause of fungal infections, such as candidiasis, in HIV patients. This discovery could lead to more effective treatments for these debilitating conditions.

MIT sheds light on how tumor cells form

MIT researchers have discovered that tumor cells become aneuploid due to subtle errors in microtubule attachment. The study sheds light on the role of checkpoint proteins and their interaction with APC and EB1 molecules in maintaining normal cell division.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Research expedition braves world's worst weather

A research team, led by Yoshitomi Okura, is returning to Mount McKinley for the fifth time to collect data on the mountain's extreme winds. The team is equipped with two anemometers, a standard and ultrasonic device, to measure wind speed and sensor accuracy.

Astronomer is co-winner of million-dollar Shaw Prize

Adam Riess, a 36-year-old astronomer at Johns Hopkins University, has won the $1 million Shaw Prize for his work on dark energy, a phenomenon that accounts for 70 percent of the universe. He shares the award with Saul Perlmutter and Brian Schmidt, who worked on competing teams to measure the expansion rate of the universe.

Three million babies born using assisted reproductive technologies

The European Society of Human Reproduction and Embryology reports that assisted reproductive technologies (ART) have led to the birth of over 3 million babies worldwide. The number of ART cycles has increased by 100,000, with the total estimated at one million a year, resulting in approximately 200,000 ART babies born annually.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Scientists aim to thwart use of flu as bioweapon

University of Rochester experts discuss how flu invades and responds to the body, with a focus on understanding its pathogenesis. The research aims to prevent potential modification of the flu virus for lethal use and develop more effective treatments.

The cytokine diet: The next fad in weight loss?

Researchers found that injecting IL-7 into mice inhibited weight gain after inducing MSG-induced lesions in the hypothalamus. This discovery suggests a link between immune and neuroendocrine systems, potentially leading to new obesity prevention strategies.

Rheumatoid arthritis can be prevented if the timing is right

A recent study found that methotrexate can delay and prevent the progression of rheumatoid arthritis in patients. Patients who showed a positive anti-CCP test benefited the most from the treatment, indicating a lower risk of developing full-blown RA.

Cherry juice reduces muscle pain induced by exercise

A study of 14 volunteers found that drinking cherry juice before and after exercise resulted in a significant reduction in muscle pain and a slight increase in muscle strength. The antioxidant and anti-inflammatory properties of cherry juice were found to be effective in preventing muscle damage.

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.

'Thirst for knowledge' may be opium craving

The brain's craving for a fix motivates humans to absorb knowledge at an optimal rate, driven by the release of natural opiates. This theory, proposed by USC Professor Irving Biederman, suggests that knowledge addiction has strong evolutionary value due to its correlation with perceived intelligence.

Few young competitive athletes survive sudden cardiac arrest

A study published by The Reis Group found that the survival rates of young competitive athletes experiencing sudden cardiac arrest are significantly lower than expected, even with proper CPR and defibrillation. The authors suggest that underlying heart conditions may be a major factor contributing to these poor outcomes.

Children of diabetics show signs of atherosclerosis

A study found that offspring of type 2 diabetic parents exhibit endothelial dysfunction and increased risk of atherosclerosis, even without diabetes. The research suggests that early treatment may prevent progression of the disease, highlighting the importance of identifying high-risk groups.

Fluke 87V Industrial Digital Multimeter

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

Other highlights in the June 21 JNCI

A new study finds that high cadmium levels may increase breast cancer risk, while silibinin has been shown to inhibit lung tumor blood vessel formation. Additionally, researchers have identified a potential anticancer compound in milk thistle and explored the role of KGF and FGFR2b in cancer treatment.

Consumers don't pardon the intrusion of advertisements

Researchers Jing Wang and Bobby Calder found that ads can have both negative and positive effects on advertising. Ads appearing after a story has ended can actually enhance their effect. The study suggests that the timing of ad placement is crucial in determining its impact.

U. of Colorado team solves mystery of carcinogenic mothballs

The research team showed that naphthalene can block enzymes that initiate programmed cell death, leading to unchecked cellular proliferation and cancer. The study used a common worm known as C. elegans to develop a systematic way to screen potential cancer-causing chemicals in humans.

Stalking poses serious public health problem

A recent study found that 4.5% of surveyed adults reported being stalked, with women, younger adults, and single individuals being the most vulnerable. The study also revealed significant racial disparities in stalking rates, with African-Americans having lower odds of being targeted.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Study identifies new tumor suppressor

Researchers found a novel tumor suppressor, HLJ1, that slows down lung cancer cell proliferation and reduces cancer recurrence. Patients with high HLJ1 expression lived longer than those with low expression.

Concentrated animal feeding operations near schools may pose asthma risk

A study found that children living near Concentrated Animal Feeding Operations (CAFOs) in Iowa are more likely to develop asthma, with a prevalence rate of 24.6% compared to 11.7% in areas far from the facilities. The results suggest that CAFOs release inflammatory substances that can affect the health of nearby communities.

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.

Warm blanket lessens chances of false-positives in cancer scans

Researchers at Saint Louis University School of Medicine found that heated blankets can significantly reduce false-positives in cancer scans caused by brown adipose tissue. The blankets reduced the uptake of tracer by 62%, compared to 30% with traditional drugs.

Seismic shock absorbers for woodframe houses

Researchers at Rensselaer Polytechnic Institute are testing a new damping system to reduce damage in woodframe structures during earthquakes. The NEESWood project uses fluid-filled shock absorbers to absorb energy and reduce strain on the structure, mimicking the effect of shock absorbers in cars.

Promoting seat belt use among black motorists

A new study found significant racial disparities in seatbelt use among black and white motorists, with blacks less likely to wear seatbelts in states with secondary seatbelt laws. The study suggests that upgrading these laws to primary laws could eliminate the disparity and reduce motor vehicle crash-related injuries and deaths.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

UCI epilepsy researcher receives nation's top neuroscience prize

Dr. Tallie Z. Baram, a renowned UCI researcher, has been honored with the nation's top neuroscience prize for her pioneering work on childhood febrile seizures and their link to adult epilepsy. Her research has defined molecular changes in brain cells caused by early-life febrile seizures.

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.

New test detects prostate cancer spread at the earliest time

A new test has been developed to detect prostate cancer spread in lymph nodes at an earlier stage, which may lead to better treatments and improved patient outcomes. The test was found to be more sensitive than existing methods and associated with increased recurrence and decreased survival rates.

MRSA is a global health problem

The global MRSA problem is escalating, with increasing rates in Scandinavian countries and the Netherlands. The authors warn of the threat of community-acquired MRSA, which can evolve into 'fitter' strains combining antimicrobial resistance with transmissibility and virulence.

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.

Behavioural therapy can restore ovulation in infertile women

A study found that cognitive behavioural therapy can restore ovulation in infertile women by reducing cortisol levels and improving the hypothalamic-pituitary-thyroid axis. The therapy was effective in reversing stress-induced ovulation, offering a cost-effective and safe alternative to hormonal treatments.

Vision, contributions earn two honors for UH optometrist

Jerald Strickland, a UH optometry professor, received a Doctor of Humane Letters (Honoris Causa) from NECO and the Distinguished Service Award from the AOA for his outstanding achievements in optometry and community service. He has been instrumental in creating the Partnership Foundation for Optometric Education, which aims to support ...

Statin use associated with reduced risk of common type of cataract

A large cohort study found that statin users had a significantly lower risk of developing age-related nuclear cataract compared to non-users. The odds of developing nuclear cataract were 40% lower in statin users after adjusting for other factors, such as smoking and diabetes.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.