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Science News Archive December 2011 - Page 9


Page 9 of 23

Growstones ideal alternative to perlite, parboiled rice hulls

Growstones, an aggregate made from waste glass, has been shown to increase air-filled pore space in substrates more effectively than perlite and parboiled rice hulls. The study found that Growstones can be used as a substitute for these materials in greenhouse crop production, with improved water-holding capacity and bulk density.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateDec 14, 2011

The ability to love takes root in earliest infancy

A new review of literature suggests that infants' early experiences with their caregivers predict their behavior in romantic relationships decades later. This

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateDec 14, 2011
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.

Researchers explain what makes granular material become solid

A team of researchers explains how granular materials change from flowing to solid states through shearing, which can help engineers and manufacturers. They discovered that even without density changes, the discs exhibited a solid state due to the shape of the box changing.

SourceBrandeis University·JournalNature·DateDec 14, 2011

Solving a supernova mystery

A team of scientists has observed the early stages of a Type Ia supernova, refining our understanding of these explosive events. The discovery suggests that the primary star was a carbon-oxygen white dwarf, and analysis of matter ejected by the explosion points to a possible subgiant or main-sequence star as the secondary companion.

SourceCarnegie Institution for Science·JournalNature·DateDec 14, 2011

Global health funding slows as deadline for Millennium Development Goals nears

New research from the Institute for Health Metrics and Evaluation finds that global health funding has slowed due to cutbacks in the US and shortfalls at the Global Fund, raising concerns about meeting the Millennium Development Goal deadline. Despite this, strong commitments to global health have been made by many countries.

SourceInstitute for Health Metrics and Evaluation·JournalHealth Affairs·DateDec 14, 2011
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.

Biochemical signature predicts progression to Alzheimer's disease

A study by VTT Technical Research Centre of Finland and University of Eastern Finland reveals a biochemical signature indicative of hypoxia and up-regulated pentose phosphate pathway that can predict progression to Alzheimer's disease. This indicator can be analyzed from serum samples months or years before first symptoms occur.

SourceVTT Technical Research Centre of Finland·JournalTranslational Psychiatry·DateDec 14, 2011

Controversy over Triceratops identity continues

Research led by John Scannella confirms that Triceratops is a single genus, resolving debate over the classification of Torosaurus and Nedoceratops. The study reveals that significant skeletal changes during development and natural variation within the genus cause specimens to exhibit varying features.

SourcePLOS·JournalPLOS ONE·DateDec 14, 2011

Removing sulfur from jet fuel cools climate

A Yale study found that removing sulfur from jet fuel has a small net cooling effect on the atmosphere. This is due to the formation of nitrate from nitrogen oxides in jet exhaust, which offsets the warming caused by sulfate particles formed by burning sulfur-laden fuel.

SourceYale University·JournalGeophysical Research Letters·DateDec 14, 2011
Apple iPhone 17 Pro

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

Dinosaurs with killer claws yield new theory about flight

New research from Montana State University reveals how dinosaurs like Velociraptor and Deinonychus used their famous killer claws to latch onto prey, proposing a new behavior model for the evolution of flight in birds. This study suggests that the enlarged sickle-claw on digit two was used as an anchor to prevent escape, and that preci...

SourceMontana State University·JournalPLOS ONE·DateDec 14, 2011

A brain's failure to appreciate others may permit human atrocities

A new study by researchers at Duke University and Princeton University suggests that a person's brain can disengage from social interaction when encountering individuals considered 'disgusting', leading to 'dehumanized perception' and a lack of empathy. This failure can contribute to human atrocities, torture, and genocide.

SourceDuke University·JournalJournal of Psychology·DateDec 14, 2011

Landscape architecture survey: Is plant knowledge passé?

A survey of landscape architects found that while many believe they have average plant materials knowledge, most agree that recent graduates lack expertise and the profession has distanced itself from plant knowledge over time. Experience remains a crucial skill for new graduates, according to seasoned professionals.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateDec 14, 2011

Mercury releases into the atmosphere from ancient to modern times

A new study reveals that humans have released 385,000 tons of mercury into the environment over the past 5,000 years, with emissions peaking in the late 1800s and rising again due to increased coal use. The research challenges the notion of declining mercury emissions.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateDec 14, 2011

A new genre of tires: Call 'em 'sweet' and 'green'

A new genre of eco-friendly tires is being developed using genetically engineered microbes that produce raw materials from sugar. Companies like Goodyear and Michelin are partnering with biotechnology firms to create sustainable alternatives to traditional petroleum-based tires, which could debut within the next 3-5 years.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateDec 14, 2011
Celestron NexStar 8SE Computerized Telescope

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

Nikolaus Rajewsky of the MDC to receive the Leibniz Prize

Nikolaus Rajewsky, a Professor at the Max Delbrück Center for Molecular Medicine (MDC), will receive Germany's most prestigious research award, the Gottfried Wilhelm Leibniz Prize. His work on microRNAs and gene regulation has led to significant advances in understanding complex biological processes.

SourceHelmholtz Association·DateDec 14, 2011

Worker ants paralyze and kill termites from afar

A study published in PLOS ONE found that worker ants can paralyze and kill termites without direct contact, thanks to their potent venom. The researchers discovered three functions of the ant venom: attracting nestmates, repelling alien ants, and killing termites.

SourcePLOS·JournalPLOS ONE·DateDec 14, 2011

Wayne State study shows early research on cellphone conversations likely overestimated crash risk

A Wayne State University study found that early research on cellphone conversations and crash risk may have overestimated the relative risk of conversation. Using GPS data, researchers tracked drivers over 400 days to find little driving consistency between control days, reducing the apparent risk of cellphone conversation.

SourceWayne State University - Office of the Vice President for Research·JournalEpidemiology·DateDec 14, 2011
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.

MIT research: A glow of recognition

Researchers at MIT have developed a system that visually signals the presence of target chemicals by emitting a fluorescent glow. The approach combines fluorescent molecules with metal-organic frameworks (MOFs) to provide easy visual identification of toxins or pathogens.

SourceMassachusetts Institute of Technology·JournalJournal of the American Chemical Society·DateDec 14, 2011

Brain and heart link may explain sudden death in Rett

Researchers found that heart problems in Rett syndrome originate from the loss of the Rett gene (MeCP2) in nerve cells, not heart muscle cells. Abnormalities in brain activity can lead to cardiac malfunctions and death.

SourceBaylor College of Medicine·JournalScience Translational Medicine·DateDec 14, 2011

Pregnant women advised to stay cool for baby's sake

A QUT study found a link between temperature increases and the incidence of stillbirth and shorter pregnancies. The study, which recorded 101,870 births over four years, estimated that increased temperatures increase the risk of stillbirth by 15°C, with the lowest risks seen in the coolest weeks.

SourceQueensland University of Technology·JournalAmerican Journal of Epidemiology·DateDec 14, 2011

Statins may reduce mortality in patients hospitalized with influenza

An observational study found that statin use was associated with a decreased risk of dying among hospitalized patients with laboratory-confirmed influenza. Researchers also noted the potential benefits of randomized controlled trials to further examine the effectiveness of statins for influenza treatment.

SourceInfectious Diseases Society of America·JournalThe Journal of Infectious Diseases·DateDec 14, 2011
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.

Society may get stuck with the bill for expensive higher education

A study by North American economists found that the cost of higher education is becoming increasingly inaccessible to low-income students, who are now facing significant barriers to accessing credit for college. This trend could have far-reaching economic impacts, as it restricts career choices and leads to less qualified workers in ke...

SourcePenn State·JournalAmerican Economic Review·DateDec 14, 2011

Follow your nose

A study published in Nature Communications reveals that modern humans have a more developed sense of smell compared to Neanderthals, with larger olfactory bulbs and temporal lobes. This could be linked to improved behavioral and social functions.

SourceMax-Planck-Gesellschaft·JournalNature Communications·DateDec 14, 2011

MIT research update: Sharpening the lines

A new technique developed by MIT researchers allows for the production of complex shapes on microchips, enabling further leaps in computational power. By combining interference patterns and photochromic materials, the technique can produce features one-eighth the size of traditional photolithography.

SourceMassachusetts Institute of Technology·JournalPhysical Review Letters·DateDec 14, 2011
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.

A gene that protects against colorectal cancers

Researchers discovered a gene that protects against colorectal cancer by causing cell death, but this mechanism is often blocked in human cancers. The gene, DCC, codes for a 'dependence receptor' that induces apoptosis when it's depleted of ligands.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalNature·DateDec 14, 2011

NTU hosts race to design innovative 'green microchips'

Nanyang Technological University (NTU) hosted a chip design competition to encourage energy-efficient innovation. The winning team, from Institute of Microelectronics, developed an ultra-low-power wireless implantable blood flow sensing microsystem for vascular graft applications.

SourceNanyang Technological University·DateDec 14, 2011

New eco-friendly foliar spray provides natural anti-freeze

Researchers developed an all-natural foliar spray that enhances plants' innate 'anti-freeze' properties, reducing cold damage and mortality by up to 1 USDA hardiness zone. The non-toxic spray is friendly to both plants and the environment.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateDec 14, 2011
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.

Erosion of traditional 'taboos' threatens Madagascar's lemurs

Recent research in Madagascar reveals that illegal hunting of protected species, including lemurs, is widespread due to increasing appetites for meat and declining traditional taboos. The study suggests that improving access to domestic meats and disease control methods can help reduce pressure on wild species.

SourcePLOS·JournalPLOS ONE·DateDec 14, 2011

Pythons and people take turns as predators and prey

In a study co-authored by Cornell University researcher Harry Greene, men are attacked by giant pythons but also target them for food, competing for the same local deer, wild pigs, and monkeys. The complex relationships between humans and snakes highlight broader patterns of predation and competition in the natural world.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateDec 14, 2011
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.

Elemental 'cookbook' guides efficient thermoelectric combinations

The Duke researchers have calculated the thermoelectric properties of over 2,500 compounds and provided detailed recipes for creating the most efficient combinations. This new database will allow scientists to stop using trial-and-error methods and instead use a rational basis to design thermoelectric devices.

SourceDuke University·JournalPhysical Review X·DateDec 14, 2011

Patient empowerment and system transformation to improve cancer care

A study published in Medical Care explores ways to empower patients and transform cancer care systems to improve quality. Researchers propose new approaches, including accountable care and personal health records, to address racial disparities and wasteful overuse.

SourceIndiana University School of Medicine·JournalMedical Care·DateDec 14, 2011

Jefferson researchers mirror human response to bacterial infection and resolution in mice

Thomas Jefferson University researchers have created a human immune system mouse model that closely mimics the response to a tick-borne infection in humans. The study found that mice developed B1b-like cells, specialized antibody-producing systems used to fight bacterial pathogens, which helped resolve the infection.

SourceThomas Jefferson University·JournalProceedings of the National Academy of Sciences·DateDec 14, 2011
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Stress causes clogs in coffee and coal

Scientists at Duke University discovered that shear strain can cause particles like coffee beans and coal chunks to jam sooner than expected. This finding challenges previous theories and has implications for designing new composite materials and countermeasures against weapons of mass destruction.

SourceDuke University·JournalNature·DateDec 14, 2011

Scientists publish new findings about the 'supernova of a generation'

An international team of scientists has discovered that a recently exploded supernova was a 'white dwarf' star, challenging the long-held theory that it was a red giant. The finding provides direct evidence that white dwarfs are responsible for Type Ia supernovae.

SourceUniversity of California - Santa Barbara·JournalNature·DateDec 14, 2011
Fluke 87V Industrial Digital Multimeter

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

Microbial contamination found in orange juice squeezed in bars and restaurants

A study by Spanish researchers found that 43% of fresh orange juice samples exceeded acceptable enterobacteriaceae levels, highlighting the need for proper handling and cleaning of oranges and juicer equipment. The study also revealed that storing juice in metal jugs led to unacceptable bacterial contamination levels.

SourceSpanish Foundation for Science and Technology·JournalFood Control·DateDec 14, 2011

Toward a therapy to healing stroke

Researchers at KIT biologists identified key factors controlling thalamus development, enabling potential tissue replacement therapy for stroke patients. They are now developing 2D cell culture systems and 3D cultivation projects to activate these factors in undifferentiated cells.

SourceHelmholtz Association·JournalPLOS Biology·DateDec 14, 2011
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.

University of Maryland finds restricting post-surgery blood transfusion is safe for some hip patients

A University of Maryland study found that restricting blood transfusions after hip surgery did not harm patients and may even be unnecessary for some. The research included over 2,000 patients with anemia after hip fracture and showed no significant difference in recovery rates between those who received moderate transfusions and those...

SourceUniversity of Maryland Medical Center·JournalNew England Journal of Medicine·DateDec 14, 2011

Magnetic stimulation of brain may help some stroke patients recover

A new study found that magnetic stimulation can improve visual-spatial abilities in people with hemispatial neglect, a common condition after a right-sided stroke. The treatment, which uses transcranial magnetic stimulation, also restored balance to the brain's circuits and improved cognitive and movement abilities.

SourceAmerican Academy of Neurology·JournalNeurology·DateDec 14, 2011

'Tis the season to be wary of elder financial abuse

Research by Virginia Tech's Karen A. Roberto found that elderly women are nearly twice as likely to fall victim to financial abuse, while younger males between 30-59 commit most cases. Seniors can prevent financial abuse with awareness and precautions.

SourceVirginia Tech·DateDec 14, 2011
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.

Closest Type Ia supernova in decades solves a cosmic mystery

Astronomers have observed the closest Type Ia supernova in decades, providing direct evidence for what a carbon-oxygen white dwarf looks like before it explodes. The study reveals that the supernova's progenitor was likely a binary system with a small white-dwarf star orbiting a companion.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature·DateDec 14, 2011

A black hole's dinner is fast approaching

Astronomers have discovered a unique new object, a dusty ionized gas cloud, nearly doubling its speed in seven years and approaching the event horizon of the black hole. The cloud will break apart completely over the next few years due to external pressure and gravitational pull.

SourceESO·JournalNature·DateDec 14, 2011

Cigarette and alcohol use at historic low among teens

Teenage cigarette and alcohol use has declined to its lowest point since the survey began in 1975, with 18.7% of 12th-graders reporting current cigarette use. However, alternate tobacco products, marijuana, and prescription drug abuse continue to be concerns, with high rates of abuse reported among teens.

SourceNIH/National Institute on Drug Abuse·DateDec 14, 2011