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Science News Archive July 2009


Page 20 of 23

CU-Boulder, NASA test new 'space Internet' system on International Space Station

The University of Colorado at Boulder is developing a new communications technology called Disruption Tolerant Networking (DTN) with NASA, which will extend Earth's Internet into outer space and across the solar system. The technology enables automated future communications capabilities for lunar habitation and surface exploration.

Muscle damage may be present in some patients taking statins

A new study published in CMAJ found significant muscle injury in patients taking statins, even in those without elevated creatine phosphokinase levels. Researchers suggest a subgroup of patients may be more susceptible to statin-associated myotoxicity and call for alternative treatment strategies.

Apple iPhone 17 Pro

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

Understanding the anti-cancer effects of vitamin D3

Researchers identified CST5 as a candidate tumor suppressor gene induced by vitamin D3 in human colon cancer cells. The protein cystatin D inhibits cancer cell growth and is responsible for some of vitamin D3's anticancer effects.

Mice with skin condition help scientists understand tumor growth

Researchers engineered mice with a persistent wound-like skin condition to study tumor growth. The study found that chronic skin wounds promote skin tumors by secreting molecules that activate dermal cells and increase inflammation. Notch1 signaling plays a critical role in this process, suggesting potential complications for drug design.

To predict the severity of mental disease, consider the family

Researchers found that a short Q뺪bout family history can predict a patient's approximate risks for developing depression, anxiety, or substance abuse disorders and their future illness severity. Family history is the quickest and cheapest way to sort out whether mental illnesses will run in families.

Fluke 87V Industrial Digital Multimeter

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

Health food supplement may curb compulsive hair pulling

Researchers found that patients with trichotillomania reported significantly reduced hair-pulling after taking the supplement for 12 weeks. Fifty people participated in a double-blind study, with 56% reporting improved symptoms.

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.

Long-term survival from abdominal aortic aneurysm repair improving

A Swedish study found improved long-term survival rates among patients with intact abdominal aortic aneurysms who underwent surgical repair between 1987 and 2005. Patients in their 80s and males experienced higher relative five-year survival rates, likely due to atherosclerosis, whereas advances in postoperative care and endovascular a...

JCI online early table of contents: July 6, 2009

Researchers have identified a potential tumor suppressor gene, CST5, that mediates the anticancer effects of vitamin D3 in human colon cancer cells. The study found that cystatin D protein inhibited the growth of colon cancer cells and was induced by vitamin D3, suggesting its role as a candidate tumor suppressor gene.

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.

Online computer games could encourage children to eat healthy foods

A recent study found that online computer games promoting healthy foods and beverages can encourage children to choose nutritious snacks. The research involved 30 low-income African American children who played a game rewarding healthy food choices versus one promoting unhealthy options.

NASA's Fermi telescope probes dozens of pulsars

Astronomers analyzed gamma-rays from two dozen pulsars, including 16 discovered by Fermi, revealing unprecedented power for discovering and studying gamma-ray pulsars. The studies shed light on the nature of unidentified gamma-ray sources in our galaxy.

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.

Researchers find genetic key to breast cancer's ability to survive and spread

A new study led by Memorial Sloan-Kettering Cancer Center researchers identifies the genetic function that enables breast cancer cells to survive and spread in the bone marrow. The findings support the development of therapies targeting this survival capacity, which could prevent metastasis and improve patient outcomes.

Amino acid may help treat patients with hair-pulling condition

A 12-week study found that N-acetylcysteine significantly reduced hair-pulling symptoms in patients with trichotillomania, a condition characterized by compulsive hair-pulling and significant psychosocial problems. The treatment was well-tolerated and compared favorably to existing treatment options.

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.

Sugar substitute appears to prevent early childhood cavities

A recent study found that xylitol syrup can effectively prevent tooth decay in primary teeth of toddlers. The study involved 94 children aged 9-15 months and showed a significant reduction in decayed teeth among those receiving xylitol syrup, with up to 70% prevention rate.

Electronic tracking system can help diabetes patient care

A new study in CMAJ found that an electronic tracking system improved diabetes care and clinical outcomes for patients, with 62% showing significant improvement compared to the control group. The study also showed greater patient satisfaction with their diabetes care.

Society for Vascular Nursing releases patient care guideline

The Society for Vascular Nursing has released a comprehensive guideline for patient care of those with vascular disease, focusing on endovascular repair of abdominal aortic aneurysms. The guidelines aim to improve patient outcomes and ensure continuity of care across the population.

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.

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.

Nitrogen research shows how some plants invade, take over others

Research at the University of Nebraska-Lincoln shows that invasive plant species like Eastern white pine can accumulate and hold onto nitrogen, leading to increased biomass and productivity. This nitrogen accumulation allows the plants to outcompete native species and invade their habitats.

Carbohydrate acts as tumor suppressor

Researchers discovered that certain carbohydrates on normal cells and enzymes like β3GnT1 function as tumor suppressors. Upregulation of β3GnT1 reduced tumor activity and metastasis in breast and prostate cancers. The study provides new insights into the role of complex carbohydrates in cancer.

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.

Researchers find possible environmental causes for Alzheimer's, diabetes

A study by Rhode Island Hospital researchers found a substantial link between increased levels of nitrates in the environment and food with increased deaths from diseases such as Alzheimer's, diabetes mellitus, and Parkinson's. The study suggests that reducing nitrate levels in fertilizer and water, detoxifying food and water, may help...

DNA variations linked to brain tumors

Researchers at Mayo Clinic and University of California San Francisco have discovered a connection between DNA alterations on human chromosome 9 and glioblastoma. The study found that individuals with specific single nucleotide polymorphisms (SNPs) are 50% more likely to develop the aggressive brain cancer.

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.

Caffeine reverses memory impairment in Alzheimer's mice

Researchers at the University of South Florida found that caffeine significantly decreased abnormal levels of beta amyloid protein in the brains and blood of Alzheimer's mice, reversing their memory impairment. Caffeine administered to elderly non-demented humans also affects their blood levels of β-amyloid.

Variations in 5 genes raise risk for most common brain tumors

A large-scale study has identified genetic variations across five genes as risk factors for the development of gliomas, the most frequent type of brain tumor. The study found that individuals with certain variations have a higher risk of developing glioma, with those with eight or more variations having a three-fold increased risk.

GUMC discovery highlights new direction for drug discovery

Researchers at GUMC discovered a small molecule that prevents the fusion protein responsible for Ewing's sarcoma from binding to another protein, RNA helicase A. This novel approach could provide a model for designing treatment for other disorders caused by protein-protein interactions.

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.

Physical reality of string theory demonstrated

Researchers used AdS/CFT correspondence in string theory to describe electrons' quantum-critical state, which plays a role in high-temperature superconductivity. The discovery bridges the gap between macroscopic and microscopic worlds.

Mexican wives' mental health dives when husbands work in US

A recent study of Mexican women's mental health found that those whose husbands work in the US experience a significant decline in well-being. The research, published in Health Care for Women International, compared the mental health of 47 'sending' and 47 'non-sending' wives.

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.

New type of El Nino could mean more hurricanes make landfall

A new study suggests that a changing form of El Niño could result in a greater number of hurricanes forming in the Atlantic Ocean. This 'El Niño Modoki' type forms in the Central Pacific, leading to increased storm frequency and potential for landfall along the Gulf coast and Central America.

Ferns took to the trees and thrived

Researchers at Duke University found that ferns diversified significantly during the Cretaceous period, when flowering plants dominated plant communities. Ferns adapted by developing the ability to live on light with a red spectrum and becoming epiphytes, thriving in tree canopies.

A rush of blood to the head -- anger increases blood flow

A study found that mental stress causes vasodilation in healthy subjects, resulting in a net increase in brain blood flow. However, individuals with high blood pressure showed no vasodilation or change in brain blood flow under similar conditions.

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.