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Science News Archive September 2013


Page 25 of 32

Harnessing the petabyte at Rensselaer Polytechnic Institute

A team of researchers at Rensselaer Polytechnic Institute is exploring a novel two-stage approach to harnessing petabyte data, combining cloud computing with precise computational systems. They aim to develop algorithms and methods for extracting knowledge from massive amounts of data.

Closing in on risk factors for cerebral palsy and infant death

A recent study published in Obstetrics & Gynecology found that birth defects and poor fetal growth are the most common risk factors for cerebral palsy and infant death. The research suggests that these risk factors, rather than asphyxial birth events, may contribute to the development of cerebral palsy and infant mortality.

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.

Severity of sleep apnea predicts aggressiveness of melanoma

A study found that sleep apnea severity can independently predict melanoma aggressiveness, with more severe cases showing faster tumor growth and deeper invasion. Researchers hope this link may lead to new therapeutic possibilities for people with both conditions.

Capturing brain activity with sculpted light

Scientists have developed a high-speed imaging technique with single-neuron resolution that can record the activity of 70% of nerve cells in a worm's head. This breakthrough allows for detailed maps of how neurons are wired up in the brain and information on how networks interact in real time.

Commercial baby foods don't meet infants' weaning needs

A study found UK commercial baby foods lack essential nutrients, being predominantly sweet and similar in energy content to breast milk. They are often introduced too early, conflicting with government recommendations for exclusive breastfeeding until six months.

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.

Study finds antisocial texting by teens linked to bad behavior

Researchers at University of Texas at Dallas discovered a correlation between frequent discussions of antisocial behaviors and engagement in such behaviors among adolescents. The study found that even brief exchanges about rule-breaking, illicit substance use, or physical aggression can predict deviant behavior.

eButton health monitor gets a facelift

Researchers at the University of Pittsburgh have developed a new computational tool for the eButton health monitor, which can now extract food from images and estimate portion sizes with an average error of only 3.69%. The device uses a geometric-shape library to remove background images and measure volume by projecting and fitting sel...

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.

Synthetic speech system puts a dampener on noisy announcements

Researchers developed a mathematical program to analyze spoken words and enhance sounds that help listeners understand speech in loud situations. The manipulated speech was found to be easier to understand than natural speech, with improvements equivalent to lowering noise by five decibels.

Scientific symposium today on healthful antioxidants in plant-based foods

The American Chemical Society is hosting a symposium on the health benefits of polyphenols in plant-based foods, including dark chocolate, coffee, and nuts. Researchers will present their findings on the antioxidant properties of polyphenols and their potential role in reducing cardiovascular disease and certain forms of cancer.

Apple iPhone 17 Pro

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

Science supporting abundant, nourishing food for a growing civilization

Advances in agricultural technology have led to the removal of 1.5 billion pounds of unhealthy saturated and trans fats from North American diets since 2006. Scientists are working to meet the increasing demand for protein-rich foods while addressing challenges such as climate change, soil erosion, and evolving pests and diseases.

New weapons on the way to battle wicked weeds

Experts warn of spreading herbicide-resistant weed species, including Palmer amaranth pigweed, threatening farmers' crop yields. New herbicides with alternative modes of action and residual activity are being developed to help manage resistant weeds.

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.

Virtual monitoring could aid adherence to TB medication

A new study suggests that virtually observed treatment (VOT) method can effectively monitor TB medication adherence, allowing for remote completion of treatment without direct observation. The VOT technique requires patients to send short videos of themselves taking their medication to healthcare providers using a mobile phone.

Researchers uncover genetic cause of childhood leukemia

A team of researchers has discovered a genetic mutation specific to risk of childhood leukemia, providing a potential window into inherited causes. The PAX5 gene mutation was found in several family members with childhood acute lymphoblastic leukemia (ALL), increasing the risk of developing the disease.

Yin-yang effect of sodium and chloride presents salt conundrum

Researchers at the University of Glasgow found that low chloride levels are associated with a higher risk of death and cardiovascular disease in people with hypertension. The study, published in Hypertension, reveals an independent link between chloride and mortality risk, contradicting previous associations with sodium.

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.

Rapid diagnostic tests decrease waiting time for drug-resistant TB patients

New rapid diagnostic tests have been shown to diagnose drug-resistant tuberculosis (TB) in a quarter of the time taken by current methods. The three new tests - pyrosequencing, HAIN line probe test, and microscopic observation drug susceptibility (MODS) test - produced similar results to standard testing with 95-98% accuracy.

Disparities in lung function found worldwide may impact health

A global study led by McMaster University researchers found large differences in lung function between healthy people from different socioeconomic and geographical regions. South Asians had the lowest lung function, by 30% compared to North Americans and Europeans. The findings have important public health implications.

Climate change will upset vital ocean chemical cycles

New research reveals that warmer waters impact plankton's ability to remove CO2 from the atmosphere, leading to a vicious cycle of climate change. Phytoplankton play a crucial role in marine ecosystems, producing oxygen and serving as the base of the food chain.

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.

Water-purification plant the size of a fast-food ketchup packet saves lives

The Procter & Gamble's Children's Safe Drinking Water program has provided over 6 billion quarts of clean drinking water to families in developing countries, saving an estimated 32,000 lives. The small water-purification sachets, the size of a fast-food ketchup packet, have been distributed in 71 countries.

Fumes from military small arms lead to decline in lung function

A new study found that exposure to fumes from military small arms can lead to a decline in lung function, with effects comparable to other occupational risk factors. The research, conducted on Norwegian Armed Forces members, revealed a mean average decline of 5% in lung function after shooting and 7% at 24 hours post-exposure.

Nobel laureates and their research teams at American Chemical Society meeting

Several Nobel laureates will present research on organic synthesis, including Ei-ichi Negishi's work on palladium-catalyzed cross couplings and Richard Schrock's development of the metathesis method. George A. Olah's research on carbocations and Roald Hoffmann's theories on chemical reactivity will also be presented.

Team IDs 2 pathways through which chromosomes are rearranged

Researchers identified two pathways that recombine DNA repeats to rearrange chromosomes, which can be targeted to prevent cancer and inherited disorders. The study used mouse embryonic stem cells and found large, complicated rearrangements on multiple chromosomes.

New 'artificial nose' device can speed diagnosis of sepsis

A new test uses a plastic bottle with an 'artificial nose' to detect eight common disease-causing bacteria, producing results in 24 hours. This faster method reduces the toll of sepsis in developing countries and medically underserved areas.

Celestron NexStar 8SE Computerized Telescope

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

Purple sweet potatoes among 'new naturals' for food and beverage colors

Researchers have discovered a new generation of natural food colorings derived from purple sweet potatoes, which offer superior properties to traditional synthetic colors. These antioxidants-rich substances may also have health benefits, making them an attractive alternative for the food and beverage industry.

A new approach to early diagnosis of influenza

A new approach uses carbohydrates to detect flu viruses and determine specific strains, potentially leading to faster and more effective treatment. This technology could provide a much-needed home test for diagnosing influenza quickly before antiviral drugs are lost.

Study suggests fish oil could help protect alcohol abusers from dementia

A Loyola University Chicago Stritch School of Medicine study found that a fish oil compound protected brain cells from inflammation and cell death in rats exposed to high levels of alcohol. This finding could support the use of fish oil as a potential preventive measure for alcohol-related dementia.

MERS-CoV treatment effective in monkeys, NIH study finds

A combination of two licensed antiviral drugs reduces MERS-CoV replication and improves clinical outcomes in rhesus macaques. The treatment group showed no breathing difficulties, minimal pneumonia, lower virus amounts, and less severe tissue damage.

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.

First trial to compare e-cigarettes with nicotine patches

A recent trial found that e-cigarettes were comparable to nicotine patches in helping smokers quit for at least six months. The study also showed that e-cigarette users had reduced cigarette consumption by half after six months compared to those using patches or placebo devices.

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.

New NIH grants to investigate disease-related variations in genetic makeup

Researchers are studying rare genetic variants associated with common diseases, such as diabetes and heart disease, in African-Americans, Hispanics, and Native Americans. The goal is to better understand how genetic factors influence disease susceptibility and develop more personalized prevention, diagnoses, and treatment.

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.

Inflatable antennae could give CubeSats greater reach

Researchers at MIT have developed an inflatable antenna that can significantly amplify radio signals, allowing CubeSats to transmit data higher rates and farther. The design uses a sublimating powder to inflate the antenna in space, increasing its communication range seven times compared to existing CubeSats.

Researchers discover rare fossil ape cranium in China

A team of scientists has announced a new juvenile fossil cranium of the ancient ape species Lufengpithecus from Shuitangba, China. The discovery provides significant insights into the evolution and extinction of apes during the Miocene epoch.

Rim Fire update -- Sept. 6, 2013

The Rim Fire has consumed over 246,000 acres of Yosemite Forest land, prompting concerns about intensifying fire activity and potential resumption of gusty winds. Personnel have been working tirelessly to bring the blaze under control, with six persons injured during the operation.

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.

Stanford scientists use DNA to assemble a transistor from graphene

Researchers at Stanford University developed a method to assemble transistors from graphene using DNA as a template, addressing the need for smaller, faster, and cheaper chips. The process involves using DNA strands to create ribbons of carbon atoms, which are then used to form semiconductor circuits.

Using digital SLRs to measure the height of Northern Lights

Scientists have developed a new method to measure the height of Northern Lights using digital SLR cameras, with results published in Annales Geophysicae. The technique uses parallax to calculate the distance to the aurora and has been successfully tested in Alaska.

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.

Indiana Jones meets George Jetson

A team of researchers has designed a high-tech microplasma source that can efficiently analyze carbon isotopes in organic samples. This breakthrough device may transform field archaeology by providing new information during excavation decision-making processes.

Education protects women from the obesity associated with urban living

A study by University College London found that education is a key factor in reducing the negative impact of urban living on women's health. Women with no formal education working in sedentary occupations were twice as likely to be 'centrally obese' compared to those with some degree of formal education.