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Science News Archive November 2015


Page 26 of 35

Strangled cells condense their DNA

A recent study has shown that when cells are deprived of oxygen and nutrients, their DNA becomes compacted into tight clusters. This dramatic change reduces gene activity and leads to cell shutdown. The discovery may help researchers develop new treatments for diseases such as heart attacks, strokes, and cancer.

Apple iPhone 17 Pro

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

Dust devils detected by seismometer could guide Mars mission

A recent study has successfully detected dust devils using a seismometer in California, which will help NASA's InSight mission on Mars measure dust devils' impact on the atmosphere. The findings also provide insights into Martian climate and the composition of rocks and dust.

Being thin but carrying fat around the middle more deadly than being obese

A study published in Annals of Internal Medicine found that normal-weight individuals with central obesity have twice the mortality risk as those who are overweight or obese. Researchers examined data from over 15,000 participants and concluded that lifestyle modification strategies may be crucial for this population.

Markets for science

Researchers found that prediction markets correctly predicted replicability in 71% of cases studied, highlighting the need for timely methods to identify reproducibility challenges. The study used a pool of psychologists as traders and provided them with $100 to invest in 'reproducible' or 'not-reproducible' shares.

Could solar eclipses disrupt electricity in Germany?

A recent study suggests that solar eclipses will have a minimal effect on Germany's photovoltaic systems and electrical supply. During the shadowing period, there may be temporary drops in power generation but the overall impact is expected to be limited.

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.

Barriers to an integrated family-based health promotion program in Harlem

Researchers at Mount Sinai Hospital found seven barriers to implementing an integrated family-based health promotion program for children and caregivers in Harlem, including knowledge gaps on social determinants of chronic diseases and cultural sensitivity. The study suggests actions to address these barriers could be effective in impr...

Increasing production of seed oils

By extending the oil synthesis phase and suppressing protein synthesis, researchers increased seed oil content by up to 140% and 170%, respectively. This breakthrough reveals that the length of oil synthesis is a primary factor in determining final oil content.

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.

Meat -- and how it's cooked -- may impact kidney cancer risk

A new study links high-temperature cooking of red and white meat to increased risk of kidney cancer, citing the presence of carcinogenic compounds such as PhIP and MeIQx. The study suggests that reducing meat consumption, especially when cooked at high temperatures, may help mitigate this risk.

Revascularization before exercise program improves walking for patients with PAD

A combination therapy of endovascular revascularization followed by supervised exercise resulted in greater improvement in walking distances and health-related quality-of-life measures at one year compared to supervised exercise only. This is a significant benefit for patients with peripheral artery disease and intermittent claudication.

3-D image may provide better size match for child heart transplants

Researchers developed a novel 3D computer modeling system to assess compatibility of potential donor hearts with children receiving heart transplants. The new system uses MRI and CT images to predict the best donor body weight for pediatric transplant recipients, improving size matching and potentially reducing mismatched organs.

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.

Exploring the paradox of metabolically healthy obesity

Australian researchers have defined key characteristics of metabolically healthy obesity, shedding light on the paradox. They found that obese individuals sensitive to insulin in muscle or liver are metabolically healthier, with lower blood pressure and less deep abdominal fat. This discovery provides significant insight into human ins...

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.

Eating more homemade meals may reduce risk of type 2 diabetes

Research presented at the American Heart Association's Scientific Sessions 2015 found that eating about two homemade lunches or dinners a week can lower Type 2 diabetes risk by 13%. The study analyzed data from nearly 58,000 women and 41,000 men over 36 years.

Study examines prevalence of 'silent' heart attacks in population

A study published in JAMA Network found that nearly 8% of the population has myocardial scars, indicating a 'silent' heart attack. The majority (78%) of these scars were undetected by electrocardiography or clinical evaluation, highlighting the need for improved detection methods.

Fluke 87V Industrial Digital Multimeter

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

Ancient brains turn paleontology on its head

Scientists have found definitive evidence that ancient brain tissue can fossilize. A team of researchers has discovered seven fossils of the extinct arthropod species Fuxianhuia protensa, which contain preserved brains. The brains were preserved as flattened carbon films and demonstrate a density similar to modern crustacean brains.

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.

Poor air quality increases patients' risk of heart attack, new study finds

A major new study found that people with heart disease face an increased risk of a serious heart attack during poor air quality days. Researchers at the Intermountain Medical Center Heart Institute identified a strong association between bad air quality days and a higher risk of STEMI, the most dangerous type of heart attack.

Obtaining high-quality labels by crowdsourcing

A study published in Science China: Information Sciences found that crowdsourcing can help improve label quality and reduce costs. Researchers analyzed worker performance and provided criteria for evaluating their qualities, enabling the elimination of low-quality workers from the crowd.

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.

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.

Just 1 energy drink may boost heart disease risk in young adults

A study of 25 healthy young adults found that drinking one energy drink increased blood pressure and norepinephrine levels, which could predispose otherwise healthy individuals to cardiovascular risk. The findings suggest that commercially available energy drinks may be a contributing factor to heart disease in young adults.

The No. 1 killer is invisible to most women

A survey found that only 27% of women can name a woman with heart disease, highlighting the disconnect between widespread cardiovascular disease and personal perceptions. Women are more likely to be concerned about heart health when they know another woman who has experienced it.

Kids learn about healthy lifestyle in school-based garden program

A school-based garden program in Nevada taught children about the value of healthy nutrition and physical activity, leading to increased awareness and behavior change. The program also included parent workshops and a farmer's market, resulting in improved knowledge of daily recommended screen time and participation in physical activity.

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.

New studies focus on hypertension in pregnant women and children

Recent studies focus on hypertension in overweight and obese adolescents, revealing under-diagnosis despite risk factors. Lead exposure in pregnancy is linked to higher blood pressure in young children. Microparticles released from cells cause fetal death, preeclampsia, and embryonic growth restriction in mice.

Some advanced breast cancer patients can survive longer with better treatments

A new clinical trial is proposed to investigate the best ways for identifying and treating advanced breast cancer patients who can survive for long periods without their disease progressing. The guidelines emphasize the importance of harnessing technology to improve cancer treatment, particularly for patients in remote areas.

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.

Racial disparities exist in end-of-life care for dialysis patients

A study found that African American and Native American dialysis patients were 43-44% less likely to use hospice before dying compared to white patients. The research highlights the need for high-quality research into the benefits of dialysis therapy in older and sicker segments of society.

Studies address long-term health of living kidney donors

New equations predict lifetime risk of kidney failure in living kidney donors, with those developing diabetes or hypertension facing higher risks. The findings highlight the need for revised kidney transplant policies and emphasize the importance of monitoring donor health.

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.

Sudden cardiac arrest? Can't find an AED? There may be an app for that

A new smartphone application called AED-SOS helps connect rescuers with lifesaving automated external defibrillators (AEDs) for people experiencing sudden cardiac arrest outside hospitals. Researchers found that the app can shorten the time from recognizing out-of-hospital cardiac arrests to delivering AEDs by an average of 69 seconds.

Meta Quest 3 512GB

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

High-impact clinical trials yield results that could improve kidney care

Recent high-impact clinical trials have explored various treatments for kidney-related medical care. Researchers found that statins may increase risk of acute kidney injury in patients with chronic kidney disease, while methylprednisolone did not alter the risk of acute kidney injury in patients undergoing cardiac surgery. Additionally...

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.