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Science News Archive July 2011


Page 21 of 25

Landsat 5 captures Missouri River flooding near Omaha

Flood warnings remain in effect along the Iowa/Nebraska border as Missouri River waters continue to rise near Omaha. NASA's Landsat 5 satellite captured an image of the affected area, showing the Interstate cut off by floodwaters just south of Missouri Valley, Iowa.

USC: The brain co-opts the body to promote pro-social behavior

A USC researcher found that the human brain can simulate physical sensations in response to emotional stories, leading to increased moral behavior and motivation to help others. This phenomenon is detected using brain scans and may be an evolutionary mechanism for promoting social behavior.

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.

Giving up smoking averts the adverse birth outcomes associated with tobacco

A recent study has found that quitting smoking during pregnancy can have a positive effect on birth outcomes. Women who gave up smoking in the periconceptional period had babies with significantly higher birthweight, similar to those born to non-smoking mothers. Stopping smoking before conception may also improve fertility outcomes.

Outcomes for cardiac valve procedure patients are affected by insurance status

A study published in the Journal of the American College of Surgeons found that cardiac valve procedure patients' outcomes are influenced by their primary insurance type. Uninsured and Medicaid patients experienced higher risks of mortality, longer hospital stays, and increased total costs compared to those with private insurance.

Study: Breastfeeding does not protect against MS relapses

New research from the American Academy of Neurology found that breastfeeding does not have a protective effect on multiple sclerosis relapses. In fact, women with high disease activity and high risk of postpartum relapses may need to resume MS treatment after giving birth.

London bombing memories explored

A special issue of Memory Studies explores how mass-mediated commemoration affects the London bombings, highlighting shifts between social engagement and memorialization. Researchers analyzed media coverage and personal memories to understand the complexities of remembrance and trauma.

Apple iPhone 17 Pro

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

Future fire -- still a wide open climate question

A future climate is likely to lead to an increase in the frequency and intensity of wildfires, according to CSIRO's Dr Melita Keywood. The complex relationship between fire and climate change requires closer scientific attention to predict fire occurrence and understand its impacts on atmospheric chemistry.

What causes brain cancer?

Researchers have discovered potential regulatory networks in glioblastoma using microRNAs and transcription factors. The study identified 54 feed-forward loops with functions important to carcinogenesis and unique functions specific to each FFL.

Microalgae could be Texas' next big cash crop

Texas researchers are studying microalgae's benefits, including its use as a sustainable source of fuels, animal feed and fertilizer. The microscopic algae thrive in freshwater and marine systems and have the potential to reduce greenhouse gas emissions.

Heavy exercise not too high a hurdle for bariatric surgery patients

A study by UT Southwestern Medical Center found that most bariatric surgery patients can perform large amounts of exercise and improve their physical fitness levels. The study participants who exercised for at least five days a week lost an average of 10 pounds and increased their daily step count significantly.

NIST mechanical micro-drum cooled to quantum ground state

Researchers at NIST have developed a technique to calm the vibrations of a microscopic aluminum drum to the quantum ground state, allowing for longer storage of individual packets of energy. The drum's motion is slowed by applying microwave light, enabling applications in quantum computing and testing of quantum theory.

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.

The biology behind alcohol-induced blackouts

Researchers found that exposure to large amounts of alcohol interferes with key receptors in the brain, inhibiting long-term potentiation and memory formation. The steroids manufactured by neurons inhibit synaptic plasticity, causing amnesia.

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.

Fewer rain storms across southern Australia

Decreasing autumn and winter rainfall over southern Australia is attributed to a 50-year decrease in storm intensity. The trend is linked to reductions in the strength of the mid-latitude jet stream and changes in atmospheric temperatures.

An unhealthy lifestyle is associated with sexual dysfunction

A new study reveals that several unhealthy lifestyle factors, including weight problems, physical inactivity, and hard drug use, are associated with an increased risk of sexual dysfunctions in both men and women. The study found that up to 91% of women and 78% of men without a partner-related sex life had unhealthy lifestyles.

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.

Vertebrate jaw design locked early

A new study suggests that vertebrate jaws evolved relatively early, around 420 million years ago, and that the diversity of feeding mechanisms in these early animals had little impact on jawless fishes. The researchers used physics and engineering concepts to analyze the potential feeding functions of early vertebrate jaw designs.

Women still in grip of idealized love and sex, purveyed by romantic fiction

A recent study suggests that romantic fiction continues to shape women's perceptions of idealized love and sex, potentially influencing negative attitudes towards condom use and non-consensual sex. The author argues that the genre can perpetuate unrealistic expectations and escapism, running counter to real-life health messages.

Unique gel capsule structure enables co-delivery of different types of drugs

Researchers at Georgia Institute of Technology have designed a unique gel capsule structure that can co-deliver distinct drugs. The microcapsule's spatially-segregated compartments make it suitable for multi-drug encapsulation and release strategies, offering potential advantages such as synergistic effects and suppressed drug resistance.

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.

Extremely rapid water: RUB scientists decipher a protein-bound water chain

Researchers from RUB-Department of Biophysics elucidated the proton pump mechanism of a cell-membrane protein in atomic detail, revealing that protein-bound water molecules play a decisive role. A chain of only three water molecules is formed for just a few thousandths of a second to transfer protons into the interior of the protein.

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.

Celecoxib may prevent lung cancer in former smokers

A recent study found that celecoxib reduced the Ki-67 labeling index by 34% in former smokers, indicating a potential chemopreventive effect against lung cancer. The medication was also linked to a reduction in lung nodules, a precursor to cancer.

The rise and rise of the flying reptiles

A new study by Katy Prentice shows that pterosaurs evolved in a unique way, specializing over 160 million years. The research found that pterosaurs remained conservative for 70 million years before experimenting with new modes of life, adapting to feed on different food sources and becoming larger.

Mushroom lights up the night in Brazil

A rare bioluminescent fungus has been rediscovered in Brazil, shedding new light on its unique glowing properties. The fungus, previously seen since 1840, was reclassified and found to have a different bioluminescent mechanism than other fungi.

Fluke 87V Industrial Digital Multimeter

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

Climate change forces early spring

A University of Alberta study found that climate change has pushed the province's native wildflowers and trees into earlier blooming times, making them more vulnerable to frost damage. The average winter monthly temperature increased by 5.3 degrees Celsius over 70 years, with bloom dates advancing two weeks for early spring species

Berkeley Lab researchers apply NMR/MRI to microfluidic chromatography

Researchers at Berkeley Lab have developed a portable system for highly sensitive multi-dimensional chemical analysis by pairing NMR/MRI technology with microfluidic chromatography. This breakthrough enables real-time peak detection and chemical shift information for small molecules, demonstrating the unique power of magnetic resonance...

Can gulls smell out a good partner?

A recent study suggests that black-legged kittiwakes use body odor to determine genetic compatibility in potential partners. The research found distinct signatures of individual and sex-specific odors, which may play a role in mate choice.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Dealing with pollution James Bond style

A team of experts developed a high-tech, portable device to test soil for carcinogenic pollutants, providing fast and accurate results. The Safe Soil Tester can detect toxins in as little as 12 minutes, offering significant cost savings over traditional lab testing.

Ethnic, gender stereotypes bias treatment of Parkinson's disease

Researchers found that practitioners' judgments of patients with Parkinson's disease were influenced by cultural and gender stereotypes, leading to inequitable healthcare. Facial masking, a condition where faces lose expression, was particularly stigmatizing for women and men from different ethnic backgrounds.

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.

Using vital signs to predict severity of illness in children

Using a dataset of 873 children's heart rate, temperature, and oxygen saturation measurements, researchers developed data fusion models that predicted the severity of their illness with moderate accuracy. The best-performing model had a sensitivity of 79% and specificity of 75.8%, outperforming existing scoring systems.

Multiple medication use a growing problem among elderly cancer patients

The number of elderly cancer patients taking multiple medications is increasing, posing a significant risk of adverse drug reactions and interactions. Research suggests that polypharmacy is becoming more frequent in older adults due to the increasing number of drugs used to prevent or treat medical problems.

Study of women execs to test 'glass ceiling' issues

A new UT Dallas study is investigating whether a rise in female executives spurs greater gender diversity across all company ranks. Researchers are looking at the 'trickle-down effect' of women breaking through into executive roles and joining boards, with hopes to inform management strategies for expanding women's roles.

Worldwide study identifies top global challenges in mental health

A global study has identified five key grand challenges in mental health, focusing on integrating screening into primary care, improving medication access, and strengthening training for healthcare personnel. The study aims to guide research funding agencies and clinicians in tackling mental illness worldwide.

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.

Entomological Society of America names 2011 fellows

The Entomological Society of America has elected 10 new Fellows for 2011, recognizing their outstanding contributions to entomology. Dr. Susan J. Brown is a leading geneticist who established Tribolium as a model organism for insect development research, while Dr. James Carey is an authority on arthropod demography and invasion biology.

Pixel perfect: Cornell develops a lens-free, pinhead-size camera

The Cornell-developed Planar Fourier Capture Array (PFCA) is a pinhead-size, lens-free camera that can resolve images about 20 pixels across. It uses the principles of the Fourier transform to capture multiple angles of light and has numerous applications in science, including surgery and robotics.

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.

You are what you tweet: Tracking public health trends with Twitter

A study by Johns Hopkins University researchers found that Twitter posts can be a useful source of public health information, revealing patterns about various ailments. The study uncovered interesting findings on allergies, flu cases, insomnia, cancer, obesity, depression, pain, and other health issues.

The wonders of graphene on display

Researchers at the University of Manchester showcase graphene's remarkable story and potential applications. Visitors can interact with a virtual microscope, see real images of graphene, and learn about its unique properties, including superconductivity, transparency, and high strength.