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Science News Archive 2009


Page 150 of 277

Fallopian tubes offer new stem cell source

Researchers have discovered that human fallopian tube mesenchymal stem cells can differentiate into muscle, fat, cartilage, and bone cell lines, offering a new source for regenerative medicine. The study found that these cells are abundant in fertile women's reproductive years and can be easily isolated and expanded in vitro.

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.

University of Colorado team finds definitive evidence for ancient lake on Mars

A University of Colorado at Boulder research team has discovered the first definitive evidence of shorelines on Mars, indicating an ancient lake that was up to 1,500 feet deep. The lake appears to have formed around 3.4 billion years ago and provides a prime target for future landing missions searching for signs of past life.

Local food environments can lead to obesity

A Canadian study found that living in areas with more fast-food outlets and convenience stores than supermarkets has been associated with obesity. The proximity of these unhealthy environments is a significant risk factor for weight gain.

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.

UBC researchers develop new method to study gambling addictions

Researchers at UBC developed a new method to study gambling addictions by creating an animal laboratory experiment. The study found that rodents' ability to play the odds was impaired with drugs that reduce serotonin levels and improved with those that reduce dopamine levels, providing insights into human gambling behaviors.

JNCI tip sheet -- June 17

A polyomavirus known as MCPyV is associated with fewer metastases and better survival in patients with Merkel cell carcinoma. Long-term survivors of childhood central nervous system malignancies remain at risk for death and are at increasing risk for developing subsequent cancers and chronic medical conditions over time.

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.

Help for climate-stressed corals

A study suggests that banning certain types of fishing gear, such as spear guns and fish traps, could aid in the recovery of reefs and fish populations affected by coral bleaching events. The research proposes that temporary bans or selective gear restrictions offer a middle ground for reef managers and fishers, reducing pressure on th...

Roux-en-Y weight loss surgery raises kidney stone risk

A new study by Johns Hopkins Medicine finds that Roux-en-Y weight loss surgery nearly doubles the risk of developing kidney stones, with an overall risk of around 8 percent. The researchers suggest that doctors can help prevent kidney stones through calcium supplements and other interventions.

Apple iPhone 17 Pro

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

Statins don't lower risk of pneumonia in elderly

A new study published in the British Medical Journal found that taking statin drugs does not lower the risk of pneumonia in elderly patients. In fact, the study suggests that people on statins may be at higher risk of developing severe pneumonia.

Contemplating excess wind

A new study in the International Journal of Exergy provides a formula to calculate wind turbine performance and optimize energy production. The formula offers a theoretical boost of 20% efficiency at varying wind speeds, reducing wasted energy by 80%.

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.

Individual primates display variation in general intelligence

Researchers at Harvard University have demonstrated that individual monkeys within the same species exhibit varying levels of cognitive ability. A study published in PLoS One found that general intelligence, or 'g' factor, accounted for 20% of the variation in performance among cotton-top tamarins.

Giant eruption reveals 'dead' star

Astronomers use ESA's XMM-Newton and Integral space observatories to study a magnetar outburst from the rare 'dead' star SGR 0501+4516. The outburst lasted over four months and released hundreds of smaller bursts, providing valuable insights into extreme matter conditions.

Plant microbe shares features with drug-resistant pathogen

A study found similarities between a plant-dwelling bacterium and a hospital-resident pathogen, highlighting potential risks of using the former for biotech applications. The research suggests caution in using this strain due to its antibiotic resistance and ability to form biofilms.

'Cannabis alters human DNA' -- new study

A new study found that cannabis smoke damages DNA in ways that could potentially increase the risk of cancer development. The research, published in Chemical Research in Toxicology, used a highly sensitive liquid chromatography-tandem mass spectrometry method to detect damage.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Income, education, important factors in heart disease risk

A University of Rochester Medical Center study found that including socioeconomic status in the Framingham Risk Scoring tool can nearly double the number of patients at risk for death or disease. This could lead to increased eligibility for cholesterol-lowering medications and other treatments, with a potential 15% increase.

Hartford grants increase support for geriatric social work training

The Gerontological Society of America has awarded over $1.25 million in combined new grants to eleven researchers in geriatric social work, aiming to improve the health and well-being of older people and their families. The Hartford Doctoral Fellows Program and Faculty Scholars Program provide training and funding for social workers wi...

Cells are like robust computational systems, Carnegie Mellon-led team reports

Researchers identified backup genes with similar sequences that can replace failed master genes, explaining experimental results and highlighting the robustness of cells as computational devices. The study found that removing a master gene and its immediate backup has little effect, but removing both has significant consequences.

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.

Study gives clues to increasing X-rays' power

Researchers at the University of Nebraska-Lincoln have discovered a way to unleash high-energy X-rays with relatively high intensity using longer wavelength lasers on heavier gaseous atoms. This breakthrough could lead to more powerful and precise X-ray machines, enabling real-time imaging of patients' hearts and microscopic structures.

Potential for noninvasive brain tumor treatment

Researchers design a minimally invasive system combining ultrasound and chemotherapy to target brain tumors without surgery or radiation. The approach aims to provide real-time imaging and localized temperature increases to melt liposome shells and release chemotherapy directly to the tumor.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

X-rays for early Alzheimer's disease detection

A new x-ray imaging technique, diffraction-enhanced imaging (DEI), has been developed to visualize individual amyloid beta plaques in the brain. The study successfully images these tiny structures in a mouse model of Alzheimer's disease, providing promising clues for early diagnosis and treatment.

'The Vision Revolution': Eyes are the source of human 'superpowers'

The Vision Revolution reveals how human vision has evolved to perform extraordinary feats, from color perception to X-ray vision and beyond. Changizi's groundbreaking research overturns basic assumptions about human vision, exploring its unique capabilities and their impact on our daily lives.

Extreme makeover chemistry style

Researchers at Berkeley Lab and UC Berkeley have discovered a mild and relatively inexpensive procedure for removing oxygen from biomass, potentially replacing traditional petrochemical feedstocks. The formic acid treatment converts glycerol into allyl alcohol, used to manufacture polymers, drugs, and other chemical products.

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.

Greater Boston unites to transform health care

The Greater Boston coalition, representing over 35 organizations, has been awarded a $200,000 planning grant to develop a plan of action to align efforts and create concrete systems change. The initiative aims to improve healthcare quality, reduce disparities, and provide models for national reform.

Much touted 'depression risk gene' may not add to risk after all

A new analysis of data from 14 studies found a strong association between stressful life events and depression risk. However, the presumed high-risk version of the serotonin transporter gene did not show an increased risk for major depression alone or in interaction with stressful life events.

Fluke 87V Industrial Digital Multimeter

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

Test detects molecular marker of aging in humans

A new blood test has been developed to detect the p16INK4a biomarker, which is strongly correlated with chronological age and behaviors that accelerate aging. The test has been validated in a study of 170 healthy human volunteers, showing a strong correlation between biomarker expression and age.

Same-sex behavior seen in nearly all animal groups, review finds

A new review of existing research reveals same-sex behavior is a nearly universal phenomenon in the animal kingdom. However, researchers have focused primarily on understanding the genetic and neural mechanisms behind this behavior rather than its potential evolutionary consequences.

New piece found in the puzzle of epigenetics

Researchers at Helmholtz Zentrum München have identified the enzyme TFIIH kinase as responsible for selectively phosphorylating RNA polymerase II, regulating the production of specific RNA molecules. This discovery sheds light on epigenetic mechanisms and their significance in cancer and disease.

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.

European satellites probe a new magnetar

A team of astronomers led by Nanda Rea used European Space Agency satellites to study the eruptions of a rare magnetar, SGR 0501+4516. The object underwent hundreds of small bursts over four months, emitting high-energy X-rays during its outburst phase.

Jackson, Rockefeller obesity researchers share Shaw Prize

Dr. Jeffrey Friedman of Rockefeller University identified leptin as the 'satiety factor' behind obesity and type 2 diabetes, shedding light on chemical and genetic factors involved in the condition. The discovery has opened possibilities for future pharmaceutical treatments, influencing research worldwide.

Opioid-induced hibernation protects against stroke

Researchers found that an opioid peptide, DADLE, protected against experimental stroke in rats, preventing cell death and behavioral abnormalities. The study suggests a new pharmacological target for stroke therapy.

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.

Research proves tai chi benefits for arthritis

A new study by The George Institute for International Health found Tai Chi to have positive effects on improving pain and disability among arthritis sufferers. Researchers are now conducting a trial to establish if similar benefits can be seen in people with chronic low back pain.

News briefs from the American Sociological Review

Research in the American Sociological Review finds that neighborhood violence plays a role in intergenerational transmission of disadvantage. Family and religious environments also deter delinquent behaviors among teens and young adults.

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.

Dad's overworked and tired while mom's potentially fired

A new study found that 69% of men and 42% of women in the Netherlands work overtime, with women working one-third fewer hours than men. The research suggests that this pressure harms employee well-being and may lead to demotions or firings for women.