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Science News Archive March 2011


Page 22 of 28

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Diabetes belt identified in southern United States

Researchers identified a 'diabetes belt' of 644 counties in 15 southeastern states with high prevalence rates, linked to sedentary lifestyle, obesity, and non-modifiable factors. Community design changes can promote physical activity and healthy lifestyles to reduce diabetes risk.

Loss of plant diversity threatens Earth's life-support systems

A comprehensive analysis of 574 field and laboratory studies reveals that plant communities with many species are nearly 1.5 times more productive than those with only one species. This suggests that biodiversity is essential for maintaining the functioning of ecosystems, particularly in estuaries like Chesapeake Bay.

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.

Embargoed news from Annals of Internal Medicine

A new study predicts the spread of cholera in Haiti and identifies effective control strategies. The researchers' model suggests a three percent risk reduction in infection through vaccination, which is twice the impact of providing clean water.

Fluke 87V Industrial Digital Multimeter

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

Text messaging helps smokers break the habit

Researchers found that text messaging is at least as effective as handheld devices in measuring smoking urges and resisting cravings, with tailored interventions tailored to individuals' response-inhibition capacities. The study also identified key brain regions involved in response inhibition.

Iowa State, Ames Lab researcher hunts for green catalysts

L. Keith Woo is searching for cleaner chemical reactions by studying iron porphyrins, a type of enzyme that catalyzes oxidation and electron transfer reactions. His research aims to develop more efficient catalysts that promote reactions at lower pressures and temperatures, reducing waste and creating safer alternatives.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Apple iPhone 17 Pro

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

Sleepy connected Americans

A National Sleep Foundation poll found that 43% of Americans report rarely getting a good night's sleep on weeknights due to pervasive technology use before bedtime. The study highlights the impact of screens and interactive technologies on sleep habits, particularly in younger generations.

Flipping a switch on neuron activity

Researchers at the University of California and Germany have developed light-sensing modules to attach to neuronal molecules, allowing for real-time study of complex cascades. This breakthrough enables selective activation of individual classes of molecules, paving the way for new treatments for vision impairments.

The underemployed -- increasing and overlooked

A study by University of Nevada, Reno researchers finds that underemployment is a complex phenomenon with broad effects on individuals, organizations, and society. The study identifies eight dimensions of underemployment, affecting up to one in three employees, with difficult situations like the recession leading to its occurrence.

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.

Pathology study tracks uterine changes with mifepristone

A recent pathology study suggests that mifepristone could be a therapeutic option for women with severe uterine fibroid symptoms. The research confirms that the drug does not trigger cancerous lesions in the uterus, but rather causes benign changes such as fluid-filled glands and abnormal blood vessels.

You are what your mother ate

Poor diet during pregnancy increases offspring's vulnerability to aging effects, leading to increased risk of type 2 diabetes and age-related diseases. The study reveals a novel mechanism by which maternal diet interacts with epigenetics to influence gene expression in offspring throughout life.

JCI online early table of contents: March 7, 2011

Researchers create a molecular switch that enhances DC-mediated tumor antigen-specific T cell responses, improving the efficacy of cancer vaccines. Additionally, they find that reducing Tie1 levels attenuates the development of lesions in atherosclerosis models, highlighting a potential new target for therapy.

Universal screening programs can uncover abuse, study finds

A new study confirms that universal screening programs for domestic abuse increase the number of women acknowledging abuse, with effective programs having support services and training for staff. The study reverses previous thinking on the value of such programs.

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.

Web use doesn't encourage belief in political rumors, but e-mail does

A new study by Ohio State University researcher R. Kelly Garrett found that using the internet generally doesn't make people more likely to believe political rumors, but e-mail does. E-mails from friends and family are more likely to be believed than online sources like websites and blogs.

New perspective diminishes racial bias in pain treatment

A new study found that empathy significantly reduces racial bias in pain treatment, with a 98% decrease in treatment disparities for college students and a 55% decrease among nurses. By asking participants to imagine their patients' feelings, the researchers were able to mitigate unconscious biases.

Stretchable balloon electronics get to the heart of cardiac medicine

A team of researchers has successfully integrated stretchable electronics technology with standard endocardial balloon catheters, enabling both mapping and ablation functions in a single device. The device features an array of sensors to measure cardiac activity, temperature, blood flow, and pressure.

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.

Monitoring waste in groundwater (without all the waste)

A new device called the in situ sampler (IS2) is being used to monitor waste in groundwater without generating significant amounts of hazardous waste. The IS2 boasts extremely low detection limits and produces no wastewater, making it a more cost-effective and environmentally friendly alternative to traditional methods.

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.

Ohio State study: Targeted ovarian cancer therapy not cost-effective

A new study published in Journal of Clinical Oncology found that adding targeted therapy bevacizumab to treatment for advanced ovarian cancer patients is not cost-effective. The researchers analyzed a clinical trial and found that the additional survival benefit was offset by high costs.

$38.4M NHMRC program grants extend cancer and blood cell research

Researchers at the Walter and Eliza Hall Institute will receive $21.3 million to study genetic changes in cancer and develop new diagnosis, treatment, and prevention approaches. The institute will also lead a $17.1 million program to study blood cell production and function.

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.

Older parents are happier with more children

Research reveals a global trend where parents over 30 feel unhappy with each additional child, but those aged 40+ are happier than their peers until they have four or more children. Older parents tend to be happier than childless couples when they reach adulthood and can benefit from their financial support.

2 proteins play key roles in Burkitt's lymphoma

Researchers at Sbarro Health Research Organization have discovered a new mechanism for INK4/ARF protein inactivation in Burkitt's lymphoma. The study suggests that reactivating tumor suppressor genes p16 and p14 could lead to the inhibition of cell proliferation and induction of apoptosis, offering potential new treatment avenues.

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.

A study reveals the keys to the locomotion of snails

Researchers characterize snail locomotion and find that mucus properties are not crucial for movement. The study's findings have potential applications in designing biomimetic robots that can move on fluid surfaces.

Parents important for keeping adolescents off alcohol

A new thesis from Karolinska Institutet highlights the importance of parental involvement in preventing adolescent alcohol consumption. Adolescents who exhibit risky behavior at an early age are more likely to develop high consumption patterns and associated health problems. Parents can make a significant difference by strengthening th...

International Women's Day provides a 'red alert' for women's hearts

A recent study published in the European Heart Journal found that women are underutilized of guideline-recommended treatments for heart disease compared to men. The disparity is attributed to various factors including age, congestive heart failure, and physician decision-making.

Research sheds light on fat digestibility in pigs

Recent research from the University of Illinois found that different types of diets affect endogenous losses of fat in pigs. The study measured endogenous losses to determine true digestibility of both intact and extracted corn oil, revealing that intact fat was less digestible than extracted fat.

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.

Teaching robots to move like humans

Researchers at Georgia Institute of Technology found that when robots move in a more human-like fashion, people can better recognize what the robot is doing and mimic it themselves. The study used motion-capture technology to program a robot to perform human movements, resulting in improved human-robot interaction.

Suggesting genes' friends, Facebook-style

Scientists have developed a new method to understand how different genes interact and affect cellular processes. The technique enables the identification of genes that influence each other's effects, similar to Facebook suggesting friend pairs, which could help predict patient outcomes and adapt treatments for diseases like cancer.

Ultra fast photodetectors out of carbon nanotubes

Researchers at TUM developed a new method to measure photocurrent in nanoscale photodetectors with picosecond precision, enabling faster detection of electrons. This breakthrough has significant implications for the development of optoelectronic components such as nanoscale photodetectors and solar cells.

High levels of 'good' cholesterol may cut bowel cancer risk

Research suggests that high levels of 'good' cholesterol (HDL) are associated with a reduced risk of bowel cancer. The association remains intact even after accounting for other factors such as inflammation, insulin resistance, and oxygen free radicals. HDL may alter the inflammatory process in some way, according to the study's authors.

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.

How sweet it is: Why your taste cells love sugar so much

A new study reveals that taste cells have several additional sugar detectors beyond the previously known sweet receptor, indicating a complex mechanism for detecting sugars. The presence of these sensors may help regulate sensitivity to sweet taste under different nutritional conditions.

Genome sequencing used to assess a novel form of Clostridium botulinum

Scientists have sequenced the genome of a novel form of Clostridium botulinum, which produces an unusual neurotoxin that poses a similar threat to other strains. The complete genome sequence has been deposited in EMBL/Genbank, providing valuable insights into the organism's structure and potential implications for food safety.

HIT's impact on health disparities: Will it help or harm?

A recent roundtable discussion highlights the dual benefits and drawbacks of health information technology in addressing health disparities. While HIT has the potential to improve care for all populations, particularly those with chronic conditions, it may inadvertently widen existing disparities if not accessible to less advantaged gr...