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Science News Archive 2014


Page 33 of 376

Obese children burdened by more than weight

A recent study found that obese children with nonalcoholic fatty liver disease (NAFLD) are at a substantial risk for high blood pressure, which can lead to premature cardiovascular disease. The study recommends that blood pressure evaluation and control should be included in the clinical management of children with NAFLD.

The sound of status: People know high-power voices when they hear them

A new study published in Psychological Science found that the sound of a person's voice can convey their level of power, with speakers assigned to high-power roles having higher-pitched, more monotone voices. Listeners were able to accurately categorize these vocal cues and associate them with high-power behaviors.

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Three UC San Diego professors named AAAS Fellows

UC San Diego professors Steven Cande, Trey Ideker, and Mark D. Ohman have been recognized as AAAS Fellows for their outstanding work in marine geology, bioinformatics, and marine plankton research. Their contributions have improved our understanding of plate tectonic processes, cancer genetics, and climate variability in ocean ecosystems.

Biology trumps chemistry in open ocean

Phytoplankton in the open ocean are responsible for half of global oxygen production, but how they assimilate limited nutrients was unclear. A new framework describes how microbial biodiversity affects phytoplankton's ability to take up phosphorus, a key nutrient.

Study finds provider-focused intervention improves HPV vaccination rates

A new study found that a provider-focused intervention improved Human Papilloma virus (HPV) vaccination rates by 10 times for boys and nearly twice as much for girls. The multi-component Performance Improvement Continuing Medical Education (PI CME) intervention was linked to sustained improvements in HPV vaccination rates.

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Circumstances are right for weed invasion to escalate, researchers say

A recent study by an international team of researchers highlights the need for stricter regulations on invasive weed species in pastures. The findings suggest that these species can cause significant environmental harm and economic losses, with the US spending over $34 billion annually on management.

Study finds way to conserve soil and water in world's driest wheat region

Researchers at Washington State University identified summer fallow management practices that can help farmers conserve soil, prevent sky-darkening dust storms, and improve air quality. Undercutter-tillage or no-till fallow systems were found to be the most effective options for reducing wind erosion in the Horse Heaven Hills region.

Preconception care for diabetic women could potentially save $5.5 billion

Researchers estimate that universal preconception care for pregnant women with diabetes can avert an estimated $5.5 billion in health expenditures and lost employment productivity over their children's lifetimes. Effective care could also help mitigate significant complications such as preterm deliveries, birth defects, and perinatal d...

Apple AirPods Pro (2nd Generation, USB-C)

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Endangered Idaho salmon regaining fitness advantage

Biologists believe the increased return rate of naturally spawned sockeye is high enough for the species to eventually sustain itself in the wild. Naturally spawned fish are returning at rates up to three times higher than those released from hatcheries.

Important element in the fight against sleeping sickness found

Researchers from Aarhus University have discovered how a parasite in sleeping sickness disease recognizes human haemoglobin, a crucial step towards developing targeted treatments. This knowledge can lead to the development of new medicines that effectively combat the disease.

Delaying ART in patients with HIV reduces likelihood of restoring CD4 counts

A study published in JAMA Internal Medicine found that starting antiretroviral therapy (ART) within 12 months of estimated dates of seroconversion (EDS) improves the likelihood of restoring CD4+ T-cell counts. Patients who initiated ART after 12 months had lower CD4 normalization rates and increased risk of AIDS.

Declining loneliness among American teenagers

A study published in Personality and Social Psychology Bulletin found that loneliness has declined among high school and college students in the US. High school students reported a decline in subjective isolation, but an increase in social network isolation, suggesting they perceive less loneliness but poorer social networks.

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Animals steal defenses from bacteria

Scientists have discovered that animals, including ticks and mites, have stolen bacterial toxin genes to defend against microbial infections. The transfer of these genes has been found in various animal species, including the deer tick, which can transmit Lyme disease.

New NSF-funded platform takes science to the clouds

The iPlant Collaborative will manage Jetstream, a new all-science cyber-computing platform, providing a scalable and flexible interface for researchers in various disciplines. The platform enables easy use of cloud resources for large-scale and integrated data processing in science and engineering research.

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Two University of Houston scientists elected as AAAS Fellows

Two University of Houston scientists, Dan Graur and Mary Ann Ottinger, were elected as AAAS Fellows for their distinguished contributions to the fields of biology and biochemistry. They join a select group of researchers recognized by their peers as among the best in their fields.

Pain and itch in a dish

Researchers at Scripps Research Institute have developed a method to convert human skin cells into sensory neurons, allowing for the study of pain and itch in a laboratory setting. This breakthrough enables the examination of neurodegenerative diseases such as Friedreich's ataxia and the testing of potential therapies.

Italian natural history museums on the verge of collapse?

Italian natural history museums are facing a critical situation due to progressive loss of scientific relevance and decreasing economic investments. The proposed solution is for institutions to join forces and form a 'meta-museum', sharing resources and personnel.

Incomes fall as stressed economy struggles

Australian average incomes have been declining over the past decade, with a recent study revealing a per capita drop of $250 over ten quarters. The economy's growth is largely driven by population expansion, but investment earnings are flowing out to overseas investors, exacerbating the issue.

Kestrel 3000 Pocket Weather Meter

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Educating on sickle cell risk

Sickle cell disease carriers in sub-Saharan Africa require aggressive public health education to raise awareness of the risks of having children with the disease. The disorder causes significant physical and emotional challenges, as well as potential life-threatening complications.

UTSA to develop online cybersecurity training for communities

The University of Texas at San Antonio (UTSA) is developing online cybersecurity training for communities, addressing the lack of strategies to respond to cyber attacks. The training will include case studies, best practices, and templates to help municipal officials develop a cybersecurity strategy.

Mimics do not substitute for the 'real thing' for bomb-sniffing dogs

Researchers at Indiana University-Purdue University Indianapolis found that bomb-sniffing dogs trained on pseudo-explosives could not reliably detect real explosives and vice versa. The study suggests that the exceptional sensitivity of a dog's nose and its temperament cannot be replicated with pseudo-explosive training.

GQ GMC-500Plus Geiger Counter

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'Dramatic' early phase 1 results for AG-120 in IDH1 mutated AML

The investigational drug AG-120 has demonstrated 'extremely promising' early phase 1 clinical trial results for patients with acute myeloid leukemia (AML) harboring IDH1 mutations. This finding builds on previous phase 1 results of a related drug, AG-221, and offers hope for the treatment of this high-risk population.

Sleep apnea linked to poor aerobic fitness

People with moderate to severe sleep apnea have a reduced aerobic fitness, even compared to those of similar body mass indices. The study found that sleep apnea patients had a lower peak oxygen uptake during aerobic activity than controls.

Sony Alpha a7 IV (Body Only)

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Does a yogurt a day keep diabetes away?

A high intake of yogurt has been found to be associated with a lower risk of developing type 2 diabetes. The researchers found that high consumption of yogurt was associated with a reduced risk, while other dairy foods did not show this association.

Asteroid impacts on Earth make structurally bizarre diamonds

New research from Arizona State University reveals that lonsdaleite is not a separate type of diamond but rather a structurally disordered form of ordinary diamond. The study found defects in the crystal structure caused by shock metamorphism, plastic deformation, or unequilibrated crystal growth.

Global warming cynics unmoved by extreme weather

A new study by Michigan State University scholar Aaron M. McCright found that only 35% of US citizens attribute extreme winter temperatures to global warming, contrary to expectations that such events would change minds.

Pain in a dish

Researchers at Harvard University successfully converted mouse and human skin cells into pain sensing neurons that respond to various stimuli, including acute and inflammatory pain. The 'disease in a dish' model may lead to improved drug development for chronic pain treatment.

Celestron NexStar 8SE Computerized Telescope

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Cooling with the coldest matter in the world

Researchers cool membrane vibrations to less than 1 degree above absolute zero, opening up possibilities for novel studies of quantum physics and precision measurement devices. The technique harnesses the unique features of ultracold atomic gases, enabling fundamental quantum physics experiments with macroscopic mechanical systems.

Cell's skeleton is never still

Researchers developed computer models that match experimental results, explaining the dynamic processes behind essential cell components. Microtubule stability is crucial for cell survival, and the study provides new insights into how cells maintain or dismantle these structures.

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.

Boy moms more social in chimpanzees

Research on Tanzanian chimpanzees reveals that the mothers of sons are 25% more social than those of daughters. They spend more time with other adults and associate with more kin, which helps their young males develop social skills. This finding suggests a potential link between early social exposure and gender-typical behavior in humans.

Healthy gut microbiota can prevent metabolic syndrome, researchers say

Researchers at Georgia State University and Cornell University found that promoting healthy gut microbiota can treat or prevent metabolic syndrome. The study used an improved technical approach to show that altered bacterial populations promote low-grade inflammation and metabolic syndrome.

Avoiding ecosystem collapse

Three studies published in Philosophical Transactions of the Royal Society Biological Science hold promise for resource managers to predict and avoid ecosystem collapse. Successful management depends on consistent monitoring, incorporation of tipping points data into actions, and local-scale management.

G20 talk fest echoed on Twitter

The G20 summit attracted a massive Twitter presence, with the US and its leaders dominating conversations. Dr Peta Mitchell's interactive map revealed over 19,000 geo-referenced tweets within Brisbane's declared zones, showcasing the event's global reach and public engagement.

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.

'Good fat' could help manage type 2 diabetes

Researchers have discovered that brown fat, which burns calories and absorbs excess sugar, could be used to control blood glucose levels in people with type 2 diabetes. The study found that activating brown fat cells could lead to a new way of managing the disease without daily insulin injections.

Suicide risk falls substantially after talk therapy

Researchers found that psychosocial counseling significantly reduced repeat suicide attempts and deaths by suicide, with benefits lasting up to five years. The study's findings suggest that talk therapy-focused suicide prevention can be an effective strategy for populations at high risk of suicide.

New model of follow up for breast cancer patients

Researchers developed a new approach to breast cancer follow-up that considers individual risk factors. For postmenopausal women with moderate prognosis early breast cancer, less frequent surveillance may be more cost-effective, especially for those older than 70 years.

When shareholders exacerbate their own banks' crisis

Researchers found that CoCo bonds can worsen financial crisis situations due to a 'convert to steal' mechanism. This construction shifts losses onto bondholders in times of need, encouraging banks to further escalate their crisis.

DJI Air 3 (RC-N2)

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Research shows anti-HIV medicines can cause damage to fetal hearts

A study published in AIDS reveals that anti-HIV medications may cause significant long-term heart problems in non-HIV-infected children. The research found persistently impaired heart muscle development and reduced heart performance in these children, highlighting the need for further investigation into the long-term impact of HIV medi...

Meta Quest 3 512GB

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Rare new species of plant: Stachys caroliniana

A rare new plant species, Stachys caroliniana, has been discovered in two locations near Charleston, S.C., with the discovery shedding light on its unique characteristics. The species was found to be different from its closest relatives, which are commonly known as hedge-nettles or woundworts.

Fiddler on the roof?

Climate change may be causing fiddler crabs to move further north in the US East Coast, with one scientist discovering a crab nearly 50 miles north of its usual range. This warming trend could lead to changes in ecosystems as new species are introduced.