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Science News Archive 2011


Page 164 of 311

The mechanics of speciation

A new mathematical model integrates key factors influencing sympatric speciation, finding strong mate choice and resource variety more important than competition. This approach generates insights into biological diversity, suggesting that speciation can occur under ideal conditions.

Apple iPhone 17 Pro

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

Optical circuit enables new approach to quantum technologies

Researchers have successfully demonstrated a quantum logic gate acting on four particles of light, enabling new approaches to quantum technologies. The device has the potential to improve secure communication and precision measurement, paving the way for more efficient computers and innovative applications.

Fermilab experiment weighs in on neutrino mystery

The MINOS experiment at Fermilab recorded 62 electron neutrino-like events, constraining the transformation of muon neutrinos into electron neutrinos to a narrow range. This result is consistent with and improves upon previous measurements, potentially shedding light on the universe's matter-antimatter imbalance.

National Geographic honors 4 at inaugural 'Evening of Exploration' celebration

Environmental anthropologist Kenny Broad and underwater photographer Wes Skiles were named Explorers of the Year for their work documenting Blue Holes in the Bahamas. Musician Jack Johnson received the Arts Ambassador for the Environment Award, while IBM was recognized for its research partnership with National Geographic.

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.

Mantis shrimp eye could improve high-definition CDs, DVDs

Researchers have developed a novel waveplate technology inspired by the peacock mantis shrimp's eye, which can improve high-definition CD, DVD, and holographic technology. The new waveplates offer broader polarized light capabilities over the entire visual spectrum.

Lithuanian scientists clean up at 2011 EUREKA Innovation Award

A Lithuanian company developed a technique that has cleaned over 22,000 tons of soil using non-genetically-modified bacteria, transforming contaminated soil into usable land for plant growth. The natural process eliminates the need for chemicals or genetically-modified technologies.

NASA sees Tropical Storm Haima poised for Vietnam landfall

Tropical Storm Haima is expected to bring heavy rains to Vietnam this weekend. The storm has regained minimal tropical storm status with powerful thunderstorms south of its center, moving west through the Gulf of Tonkin in the South China Sea.

Botswana population survey shows surprising drop in species numbers

A recent aerial survey of northern Botswana shows a significant decline in wildlife populations, with wildebeest populations plummeting by almost 90% over the past 15 years. Habitat fragmentation, drought effects, human encroachment, and poaching are major contributing factors to this decline.

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.

Invest in children's health, urges former US Surgeon General

Childhood obesity is a growing threat to child and adult health, according to former US Surgeon General David Satcher. Dr. Satcher proposes five target areas for investment to improve the health of children and adults, and identifies key factors contributing to childhood obesity.

Menthol cigarettes marketed in 'predatory' pattern, Stanford study shows

A Stanford study reveals that tobacco companies increase advertising and lower sale prices of menthol cigarettes in neighborhoods near California high schools with larger populations of African-American students. This 'predatory' marketing pattern aims to lure young African Americans into becoming smokers.

UOG scientist wins USDA competitive funding

Dr. Gadi V.P. Reddy has received a $188,000 grant from the USDA-NIFA Pest Management Alternatives Program to develop an ecologically sound and cost-effective Integrated Pest Management (IPM) program for tomato farmers in the region.

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.

Mayo Clinic developing artificial pancreas to ease diabetes burden

Mayo Clinic researchers are developing an artificial pancreas that will deliver insulin automatically and with individualized precision, reducing the need for daily insulin dosing and finger pricks. The system includes a blood sugar monitor, automatic insulin pump, activity monitors, and a central processing unit.

Astronomers reach for the stars to discover new cancer therapy

Researchers at Ohio State University have discovered a potential new radiation treatment that uses heavy metals and low-energy electrons to target cancer tumors. The method, called Resonant Nano-Plasma Theranostics (RNPT), has the potential to reduce radiation exposure to healthy tissue.

Celestron NexStar 8SE Computerized Telescope

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

New genetic risk factors of lupus found in study of African-American women

Researchers at Boston University have found four new genetic variants associated with a higher risk of systemic lupus erythematosus (lupus) in African American women. The study, based on data from the Black Women's Health Study, reveals that these genetic factors may be shared among women of different genetic ancestries.

Singapore scientists discover how to control fate of stem cells

Researchers have discovered a single communication system that decides the fate of stem cells, paving the way for new stem cell therapies with fewer side effects. The Nodal/Activin pathway can specify a wide range of eventual cell types, offering a major step forward for personalized medicine.

Young people with type 1 diabetes at risk for heart disease

Research finds that adolescents and young adults with type 1 diabetes have increased risk of heart attack and stroke due to atherosclerosis in the carotid arteries. The study aims to improve glycemic control and reduce cardiovascular risk factors to prevent cardiovascular disease.

New breast cancer risk model quantifies the impact of risk reduction

A new breast cancer risk model quantifies the impact of modifiable lifestyle factors on absolute breast cancer risk. The study predicts a 1.6% to 4.1% reduction in absolute risk among women aged 65, with higher reductions seen among those with positive family history or more non-modifiable risk factors.

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.

Deep history of coconuts decoded

Researchers discovered two distinct populations of coconuts, indicating separate cultivation origins in the Pacific and Indian Ocean basins. The study also found evidence of prehistoric trade routes and the colonization of the Americas through coconut genetics.

BUSM researcher to receive American Diabetes Association's highest honor

Barbara E. Corkey, PhD, is being honored by the American Diabetes Association for her 35-year contributions to understanding diabetes and its treatment. Her work has shown that oscillations in beta cell Ca2+ fluxes influence insulin secretion and that elevated glucose and lipids cause tissue malfunction in diabetes.

Genetic testing in epilepsy -- it takes more than 1 gene

Researchers identify dozens of rare genetic variants in ion channel genes associated with epilepsy, as well as nearly identical variations in healthy individuals. The study suggests that a combination of altered channels can mask individual defects, leading to a complex interplay between gene variants and the development of epilepsy.

Synthetic collagen from maize has human properties

Researchers have successfully produced synthetic collagen in maize with similar levels of proline hydroxylation to human collagen. This breakthrough enables the production of a protein with human-like modifications, making it suitable for various applications in reconstructive and cosmetic surgery, as well as the food industry.

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.

NASA satellite gets 2 tropical cyclones in 1 shot

The NASA Aqua satellite captured an infrared image of Tropical Storm Meari and Tropical Depression Haima on June 22. The image showed large areas of strong thunderstorms and convection, indicating rainfall rates of up to 2 inches per hour in both storms.

UH Cancer Center receives $3.58 million gift for mesothelioma research

The UH Cancer Center has received a significant gift to accelerate mesothelioma research, with scientists working on developing new therapies to prevent and treat the disease. Recent breakthroughs have shed light on potential causes, including exposure to erionite particles found in airborne asbestos.

Meta Quest 3 512GB

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

BUSM study identifies new potential approaches to treat myelofibrosis

Researchers at Boston University School of Medicine have identified a possible new approach to treating myelofibrosis by inhibiting an enzyme that forms scar tissue in the bone marrow. The study found that inhibiting this enzyme resulted in a significant decrease in the burden of myelofibrosis, offering a potential new avenue for treat...

Smartphone app helps you find friends in a crowd

Researchers at Ohio State University have developed a smartphone app called eShadow that uses nearby wireless networks to alert users of a friend's presence. The software enables meaningful face-to-face conversations and builds bridges between strangers who share similar interests, providing a complement to online social networks.

Compound may provide drug therapy approach for Huntington's disease

Researchers at UT Southwestern Medical Center have identified compounds that inhibit a signaling pathway in Huntington's disease, a fatal genetic disorder. The quinazoline-derived compounds block the store-operated calcium entry signaling pathway, potentially slowing the progression of degenerative nerve disorders.

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.

New and old threats to soybean production

Researchers identify top biotic constraints affecting soybean production, including aphids, rust, nematodes, and exotic pathogen red leaf blotch. Genetic resources, biosecurity measures, and resistant cultivars are needed to combat these threats.

Scientists uncover an unhealthy herds hypothesis

Researchers found that Daphnia's defense against predators makes it more vulnerable to a virulent yeast parasite, Metschnikowia. The study suggests that increasing predator densities may not be the best solution to control disease as it can lead to increased susceptibility to other parasites.

Ovenbirds eavesdrop on chipmunks to protect nests

Ovenbirds and veeries use chipmunk calls to identify safe nesting spots, avoiding areas with high predator activity. By eavesdropping on chipmunk vocalisations, birds can select optimal locations for their nests, reducing the risk of predation.

Fluke 87V Industrial Digital Multimeter

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

Service projects increase learning, social impact for undergrads

A study found that service learning in a university-level horticulture course increased students' understanding of course material and their opinions on community involvement. Alumni reported improved confidence and awareness after the experience, highlighting its benefits for future careers.

Youth cybercrime linked to friends' influence

A new study led by Michigan State University criminologist Thomas Holt reveals that peer influence and low self-control are major factors driving juvenile cybercrime such as hacking and online bullying. Parents are encouraged to be more proactive with their kids, discussing ethical dilemmas and using parental-control software.

Ghrelin likely involved in why we choose 'comfort foods' when stressed

Researchers at UT Southwestern Medical Center found that ghrelin, the 'hunger hormone', triggers comfort food cravings in stressed mice, leading to overeating and increased body weight. The study suggests that ghrelin signaling plays a crucial role in stress-induced food-reward behaviors.

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.

Solar wind samples give insight into birth of solar system

The Genesis mission has provided the first oxygen and nitrogen isotopic measurements of the Sun, showing significant differences from those on Earth. These results suggest that the solar system was formed through a complex process, with different astrophysical mechanisms contributing to the composition of space dust.

Study of phytoremediation benefits of 86 indoor plants published

A study published in HortScience found that 86 indoor plant species can remove formaldehyde from the air, with ferns proving to be the most effective. The top-performing species, including the Japanese royal fern, showed a significant ability to neutralize formaldehyde and improve indoor air quality.

GSA Bulletin highlights: New research posted June 14, 2011

Researchers explore potential causes of widespread gullying on the southeastern Tibetan Plateau, find evidence of late Quaternary development in river valleys of the Karakoram Himalaya range. Paleovalley morphology studies reveal insights into climate and tectonic controls on sedimentation.

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 study: Even in flies, enriched learning drives need for sleep

A new study by UW-Madison sleep researchers found that fruit flies with enriched learning environments need more sleep due to increased synaptic growth. The study suggests that sleep is driven by the need to reduce brain energy needs, providing structural evidence for the theory of synaptic homeostasis.

Researchers discover migration patterns of marine predators

A two-year study by Dalhousie University researchers reveals the California Current is a crucial habitat for marine predators like tunas, sharks, and sea turtles. The study found that these species migrate predictably to the region when it warms and cools.

Modern fish communities live fast and die young

A recent study found that modern fish communities in coastal Kenya have significantly different life histories compared to ancient Swahili refuse heaps. This shift is attributed to overfishing, which has reduced larger species and increased smaller species with shorter life spans.

Department of Energy projects win 36 R&D100 Awards for 2011

The Department of Energy has won 36 R&D100 awards for its groundbreaking projects in energy, environment and national security. These projects include advanced ceramic film capacitors, enhanced renewable methane production systems and photoacoustic spectroscopy systems for remote detection of explosives.

'Good' cholesterol function as important as its levels

Researchers have found that HDL cholesterol from patients with coronary artery disease has impaired anti-inflammatory effects on blood vessel-lining cells and fails to stimulate repair of the blood vessel lining. This study highlights the importance of considering not just abundance but also biological functions of HDL in preventing CAD.

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.