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Science News Archive October 2012


Page 28 of 33

Far, far beyond wrist radios

The Department of Homeland Security's Science and Technology Directorate has identified key technologies needed to enhance first responder capabilities. These include augmented reality eyeglasses, telemedicine, and assistive technologies that can aid in crime-fighting and medical procedures.

A molecular scissor related to Alzheimer's disease

Researchers led by CSIC and Kiel University reveal meprin β, an enzyme anchored in cell walls that cuts off proteins. The study found a dimeric structure with a cleft that acts as the scissor-like active site.

Insects shape the genetic landscape through plant defenses

A new study reveals that insects feeding on plants drive genetic variation in their host species across large geographic areas. The researchers found that two aphid species exert pressure on plants to create diverse chemical defenses, leading to changes in the genetic makeup of plant populations.

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.

Hi-fi single photons

A French team identified key parameters to generate high-fidelity single photons, crucial for quantum computing and communication. They simulated detector properties and experimental results to improve reliability.

Abortion rates plummet with free birth control

A new study found that providing free birth control reduced unplanned pregnancies and cut abortion rates by 62-78%. Most women chose long-acting methods like IUDs or implants, which have lower failure rates than commonly used birth control pills. The study enrolled 9,256 women and adolescents in the St. Louis area between 2007 and 2011.

Sandia Labs benchmark helps wind industry measure success

The Sandia Wind Plant Reliability Benchmark helps the wind industry compare performance, identify vulnerabilities and enhance productivity. The benchmark is based on data from over 800 turbines, showing that the fleet is now producing electricity or available to produce electricity at 97% of the time.

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.

Strathclyde take the lead in space research

The University of Strathclyde is launching a new training network, 'Stardust', to tackle space debris and asteroid deflection with 14 European partners. The programme will provide significant advances in protecting the planet from these hazards.

TGen's Dr. Daniel Von Hoff delivers first Lori Groetken Memorial Lecture

TGen's Dr. Daniel Von Hoff delivers his lecture on a molecular pursuit approach to take out pancreatic cancer, honoring the memory of patient Lori Groetken who fought the disease for two years. The award recognizes his significant contributions to genomic research and novel therapy development in pancreatic cancer.

Fox squirrels show long-term investment savvy when hoarding nuts

Researchers at UC Berkeley have found that fox squirrels engage in a long-term savings strategy by diversifying their nut storage, with some nuts hidden up to 100 meters away. By studying this behavior, the team aims to understand how squirrels remember where they hide their nuts and develop insights into human decision-making.

BWH researchers discover genetic risk for uterine fibroids

Researchers from Brigham and Women's Hospital (BWH) have discovered a genetic risk allele for uterine fibroids in white women using an unbiased approach. Genetic variants were found to be significantly associated with uterine fibroid status, particularly in the FASN gene, which encodes fatty acid synthase protein.

Apple iPhone 17 Pro

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

Chewing ability linked to reduced dementia risk

Research from Karolinska Institutet found a significant association between difficulty chewing hard food and cognitive impairment, including dementia. The study of 557 people aged 77 or older suggests that maintaining good chewing ability may be crucial for brain health.

Researchers find ancient carbon resurfacing in lakes

A new study reveals that a significant amount of carbon released into lakes and rivers is very old, approximately 1,000 to 3,000 years old. This finding challenges the current models of long-term carbon storage in lakes and rivers, suggesting a significant lag in the coupling between terrestrial and aquatic environments.

BPA's real threat may be after it has metabolized

Researchers at UC San Diego School of Medicine found that BPA's metabolite MBP interacts more strongly with estrogen receptors than BPA itself, posing a greater health threat. This discovery could lead to the development of new drugs targeting excessive estrogen activity linked to diseases.

Dating encounters between modern humans and Neandertals

Researchers estimate that modern humans and Neandertals interbred around 37,000 to 86,000 years ago, with the most recent encounters occurring well after modern humans migrated outside of Africa. This suggests that Neandertals had children with the ancestors of present-day people outside of Africa.

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.

Why we need insects -- even 'pesky' ones

A 5-year study found that removing insects from the environment can cause plants to quickly lose defensive traits, such as anti-moth chemicals and temporal blooms. This rapid evolution is driven by natural selection, with successful varieties emerging when moths are absent.

VIMS researchers unravel life cycle of blue-crab parasite

Researchers have successfully unraveled the life cycle of Hematodinium, a single-celled parasite affecting blue crabs. The study provides critical information on transmission and development time, enabling better management and handling practices for wild-caught blue crabs and shrimp farms.

Compassion meditation may boost neural basis of empathy, Emory study finds

A compassion-based meditation program can improve a person's ability to read facial expressions, finds a study published by Social Cognitive and Affective Neuroscience. The Cognitively-Based Compassion Training (CBCT) program significantly increased neural activity in areas of the brain important for empathy.

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.

America's top age beat reporters chosen for journalism fellowship

The MetLife Foundation Journalists in Aging Fellows Program has selected 18 reporters to cover various aging concerns such as family caregiving and financial elder abuse. The program aims to provide in-depth coverage of these topics, shedding light on the challenges faced by older Americans.

Everyday evolution

A study from the University of Toronto Mississauga discovered that insect interaction can cause rapid evolutionary changes in plants, with populations diverging significantly in as few as three to four generations. This suggests that insects play a crucial role in plant evolution and diversity.

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.

UOG graduate student receives National Geographic Society Young Explorers Grant

Maia Raymundo, a UOG master's candidate, has been awarded the National Geographic Society Young Explorers Grant to research the critically endangered Philippine naked-backed fruit bat. Her fieldwork in Negros Island yielded a sighting of an adolescent bat, a significant discovery in her quest to understand the species' status.

Lakes react differently to warmer climate

A warmer climate is expected to lead to varying reactions in lakes, with those without fish displaying clear water and avoiding algal blooms, while lakes with fish will see an increase in algae due to the consumption of zooplankton by fish

There's no place like home -- For dialysis

Home hemodialysis could enable patients to increase their dialysis frequency, potentially providing a survival benefit. Increased physician and patient education can eliminate barriers to its adoption.

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.

Clot-busting enzymes are working 2 jobs

Scientists found that clot-busting enzyme t-PA also removes necrotic cells from the body. The process involves a blood clot-like structure, allowing for efficient removal without damage to the body.

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.

New gene test detects early mouth cancer risk

A new gene test has been developed to detect pre-cancerous cells in patients with benign-looking mouth lesions. The test shows a cancer detection rate of 91-94% and could potentially allow at-risk patients to receive earlier treatment, significantly improving their chance of survival.

Newborn mice depend on mom's signature scent

Researchers found that newborn mice depend on the specific blend of scents emitted by their mothers, which is distinct from earlier studies in rabbits. This discovery suggests that innate behaviors like suckling may involve learning rather than hardwired instincts.

Fluke 87V Industrial Digital Multimeter

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

Northern conifers youngest of the species

A Yale University study found that most Northern conifer species emerged within the past 5 million years, with mountainous environments driving the formation of new species. The researchers also discovered significant differences in conifer evolutionary dynamics between the Southern and Northern Hemispheres.

Babies learn the smell of mum

Researchers show that newborn mice learn to suckle their mother's milk through a learned response built on learning her unique combination of smells. The study, published in Current Biology, finds that a pheromone is not involved in initiating suckling in mice.

Plants adapt their defenses to the local pest community

Researchers found that plants in different regions produce distinct chemical defenses against aphids, which are influenced by local pest populations. This variation is driven by the need for optimal defense against specific aphid species, highlighting the importance of genetic diversity in plant evolution.

Improving confidence keeps breast cancer survivors exercising

Researchers found that breast cancer survivors with higher self-efficacy scores were 10% more likely to be physically active six months after the intervention. Behavioral skills such as self-confidence and motivation can be taught, enabling women to overcome exercise-related barriers.

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.

More certainty on uncertainty's quantum mechanical role

Researchers have made precise measurements without disturbing the system, providing direct experimental evidence that a new measurement-disturbance relationship is more accurate. This finding has significant implications for fields like quantum cryptography.

BPA linked to thyroid hormone changes in pregnant women, newborns

A new study by researchers at the University of California, Berkeley, found that BPA exposure is associated with changes in thyroid hormone levels in pregnant women and newborn boys. The study suggests a potential link between BPA exposure and altered fetal development and cognitive function.

Study shows benefits, drawbacks, for women's incontinence treatments

A new study comparing oral medication and Botox injections for treating urge urinary incontinence in women found that both treatments were effective in reducing symptoms, but with varying side effects. The study, which involved nearly 250 women, showed that Botox was more likely to completely eliminate urinary leakage, while oral medic...

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.

14 new biomarkers identified for type 2 diabetes

Researchers identified 14 novel biomarkers for type 2 diabetes that can serve as the basis for developing new treatment and prevention methods. These biomarkers provide insight into the complex mechanisms of this disease, which are still not fully understood.

Nurse-led intervention deters substance abuse among homeless youth

A new study led by researchers from UCLA School of Nursing found that nursing interventions and art messaging programs can significantly decrease substance abuse among homeless youths. The study revealed significant reductions in alcohol, marijuana, cocaine, methamphetamine, and hallucinogen use.

Celestron NexStar 8SE Computerized Telescope

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

NASA sees fifteenth Atlantic tropical depression born

The 15th Atlantic tropical depression, TD15, has formed in the central Atlantic Ocean, moving northwest at 15mph. It is expected to strengthen into Tropical Storm Oscar and move north and northeast before weakening due to hostile atmospheric conditions.

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.