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Science News Archive October 2012


Page 30 of 33

Southern Hemisphere becoming drier

Research by CSIRO scientists reveals a southward shift in the subtropical dry-zone is driving autumn rainfall decline across south-eastern Australia. The expansion also affects southern-coastal Chile and southern Africa, with some regions experiencing increased rainfall during April-May.

Oldest evidence of regular meat consumption by early humans found

A 1.5-million-year-old skull fragment from Tanzania shows signs of anemia caused by a nutritional deficiency, suggesting regular meat consumption in early hominids was common. The discovery supports the idea that early human ancestors were hunters and had a physiology adapted to regular meat consumption.

Nadine bringing tropical storm conditions back to the Azores

Tropical Storm Nadine is expected to bring tropical storm conditions to the Azores on Oct. 3 and early Oct. 4, according to NASA data. The National Hurricane Center forecasts some weakening over the next two days, but Nadine will still be a tropical storm when it moves near or over the Azores.

Apple iPhone 17 Pro

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

Scripps Health, STSI Get $3.75M grant from Qualcomm Foundation

The funding will support clinical trials of wireless biosensor systems and rapid pharmacogenomic diagnostic tests to track heart attacks and Type 1 diabetes. Scripps Digital Medicine aims to revolutionize healthcare with breakthrough technologies, including DNA sequencing tools.

New fanged dwarf dinosaur from southern Africa ate plants

A new species of plant-eating dwarf dinosaur, Pegomastax africanus, has been discovered in southern Africa. The species had a unique combination of features, including a short parrot-shaped beak and stabbing canines that were likely used for self-defense and competitive sparring.

For some women, genes may influence pressure to be thin

A Michigan State University study found that genetic factors play a significant role in the development of thin-ideal internalization, with heritability at 43%. Environmental influences also contribute to the pressure, but non-shared factors have a greater impact.

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.

Drug reverses abnormal brain function in rett syndrome mice

Researchers at Case Western Reserve University School of Medicine have discovered a promising treatment for Rett syndrome by reversing abnormalities in brain activity with an FDA-approved anesthesia drug, ketamine. This study provides new evidence that drug treatment can improve neurological function in individuals with Rett syndrome.

Home-based assessment tool for dementia screening

A home-based computer software, ClockMe System, allows adults to screen themselves for early signs of dementia. The system scores the participant's clock-drawing test and records the duration and timing of the test, providing valuable insight into thought processes.

Smartphones to steer unmanned rotorcraft on the battlefield

The Autonomous Aerial Cargo Utility System (AACUS) aims to deliver supplies quickly and safely in hostile conditions using autonomous robotic helicopters. With a smartphone-like device, warfighters can control the aircraft's takeoff, flight, and landing.

Diabetes screening study finds no reduction in mortality rates

A new study published in The Lancet found that widespread diabetes screening programs do not reduce overall mortality rates. The study, which included over 20,000 patients, also showed no significant difference in mortality rates between screened and non-screened groups.

Fluke 87V Industrial Digital Multimeter

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

UT Dallas research shows graphene nanopores can be controlled

Researchers at UT Dallas have successfully controlled the size of graphene nanopores, enabling potential low-cost DNA sequencing. The achievement could lead to improved disease diagnosis and treatment by allowing tailored drug development based on an individual's genetic code.

Study finds faults in proposed mental disorder diagnosis

A recent study found that a newly proposed mental disorder diagnosis, attenuated psychosis syndrome (APS), may not be necessary due to overlap with existing conditions. Researchers evaluated 1,200 patients and found that APS did not identify a single patient who didn't meet the criteria for another existing diagnosis.

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.

Digital mammography improves population-based breast cancer screening

A new study from the Netherlands found that digital mammography improves breast cancer screening detection rates, particularly for high-grade lesions. While there was a slight increase in clinically insignificant disease diagnoses, the benefits of digital mammography outweighed the risks.

Payoff lacking for casino comps

A study by Temple University researchers found that free room giveaways are less profitable than alternative comps such as free travel and parking. In fact, casinos could see an $8.45 return on every dollar spent on their own travel and parking promotions compared to only a $2.51 return on room, food, or beverage giveaways.

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.

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.

Alzheimer's disease in men linked to low levels of hormone, IGF-1

A recent study found that low serum levels of insulin-like growth factor-1 (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) are associated with Alzheimer's disease in men, but not women. IGF-1 may be a potential treatment target for early-stage Alzheimer's disease.

Surgeons recreate eggs in vitro to treat infertility

Researchers at Wake Forest Baptist Medical Center have made a breakthrough in helping infertile, premenopausal women produce enough eggs to become pregnant. By stimulating ovarian cell production using an in vitro rat model, they were able to generate early-stage eggs that could be fertilized.

Beta-blocker use not associated with lower risk of cardiovascular events

A recent study published in JAMA Network found that beta-blocker use was not associated with a lower risk of cardiovascular events among patients with coronary artery disease or at high risk for but without established CAD. However, the study did reveal that among patients with recent MI (one year or less), beta-blocker use was linked ...

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.

New research into species extinction under climate change

A new research project led by associate professor David Nogués-Bravo will test historical data on species extinction to improve prediction methods for climate change. The study aims to protect threatened species and inform decisions to prevent extinctions.

Acoustic cell-sorting chip may lead to cell phone-sized medical labs

A new acoustic cell-sorting chip developed by Penn State researchers can sort cells into multiple channels, paving the way for smaller and more efficient analytical devices. This technology has the potential to replace bulky and expensive current methods, allowing for easier analysis of blood and genetic testing.

US edition of bmj.com launched

The BMJ Group has launched a dedicated US edition of bmj.com, prioritizing clinical and journalistic content relevant to US physicians and researchers. The site now features a homepage with direct-relevance articles and channels prioritizing content of interest to US readers.

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.

The water flow of the Amazon River in a natural climate archive

Researchers found that oxygen isotopes in tree rings preserve the isotopic composition of rainwater, providing a valuable historical archive of rainfall in the Amazon. This new method allows for better understanding of long-term hydrological patterns and natural variability of the climate system.

Prehistoric builders reveal trade secrets

A fossilized graptolite has provided evidence that early organisms developed specialized roles and cooperated to construct their homes, much like modern builders. The ancient animals displayed complex structures, including slender branches and hourglasses, indicating an elaborate division of labor.

Low levels of vitamin D are associated with mortality in older adults

A new study by The Endocrine Society reveals that low levels of vitamin D are associated with increased mortality in African American and Caucasian older adults. Vitamin D insufficiency was found to be common among African Americans, and its impact on remediating low levels may be greater for this population.

Trojan horse drug therapy provides new approach to treating breast cancer

Researchers at Wake Forest University have designed a targeted therapy that delivers a sneak attack on breast cancer cells, similar to a Trojan horse. The new platinum-based molecule has shown promising results in treating non-small cell lung cancer and pancreatic cancer, with potential applications for breast cancer treatment.

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.

NASA sees strong thunderstorms in Tropical Storm Gaemi

Tropical Storm Gaemi shows signs of strengthening with powerful thunderstorms and a band wrapping into the low-level center. NASA satellite imagery reveals the storm's disorganization but expects it to become more circular over the next couple of days.

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.

New firework causes severe eye injuries, warn doctors

A new type of firework has caused severe eye injuries and blindness in children and adults at public events, including bonfire night celebrations. Doctors call for stricter controls on the use and distribution of fireworks to prevent such accidents.

A mammal lung, in 3-D

A team of researchers created the most detailed, three-dimensional rendering of the pulmonary acinus, a complex region in the mammal lung. The model, derived from mice, can help scientists understand where and how lung diseases emerge and how drugs are delivered.

New findings on the workings of the inner ear

Scientists at Karolinska Institutet have discovered that the hairs in the inner ear not only move sideways but also change in length when stimulated by sound waves. This finding provides new fundamental knowledge about the mechanisms of hearing and may help develop a new treatment for impaired hearing.

Celestron NexStar 8SE Computerized Telescope

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

PETA scientists analyze animal use in HPV chemicals challenge program

The HPV Chemicals Challenge Program initially had the potential to use 3.5 million animals but ultimately reduced the number to 127,000 through PETA's involvement and implementation of animal-saving measures. The program's data collection process was found to be lengthy, disorganized, and inefficient.

Sea urchin's spiny strength revealed

Researchers have gained insight into the microscopic mechanics of a sea urchin's spine, which enables it to absorb impacts and stresses while maintaining strength. The unique structure of the spine allows for an advantageous blend of elasticity and brittleness.

Visionary transparent memory a step closer to reality

Researchers at Rice University have designed transparent, two-terminal, three-dimensional computer memories using silicon oxide and graphene. The devices show promise for electronics and sophisticated heads-up displays, with a working yield of about 80 percent.

1 glue, 2 functions

Scientists at the University of Akron have discovered that cobweb spiders use two different designs to create adhesives with varying strengths, one for firm attachments and another for weak ones. This intelligent design strategy could lead to the development of synthetic adhesives with biomedical applications.

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.

Novel MRI technique could reduce breast biopsies

A novel MRI technique using diffusion-weighted imaging (DWI) successfully characterizes 46% of non-malignant breast lesions as benign, reducing false-positive findings and preventable biopsies. DWI differentiates high-risk lesions requiring additional workup from other non-malignant subtypes.

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.

Manatees reflect quality of health in marine ecosystems, longterm study finds

A long-term study conducted in Belize found that manatees can indicate the overall health of marine ecosystems. The researchers tracked over 200 manatees for nearly a decade, monitoring their behavior, life history, and health. The study provides insight into the baseline health of this species threatened by human activities.

Length matters in gene expression

Research reveals that gene length is crucial for protein expression, with shorter genes utilizing specialized terminators to avoid repression. This finding highlights the importance of gene ends in regulating gene activity.