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Science News Archive 2015


Page 79 of 402

For Latinos, African ancestry adds to risk of glaucoma

A recent study found that Latinos with greater African ancestry are at increased risk for high intraocular pressure, a condition that can lead to glaucoma and blindness. The study, led by Xiaoyi Gao, analyzed the genomes of over 3,500 participants and found that those with more African ancestry had higher pressure inside the eye.

Study in mice shows how brain ignores distractions

Scientists mapped the thalamus circuitry that may be involved in neurological disorders such as autism, ADHD, and schizophrenia. The study found that inhibitory neurons in the thalamus play a critical role in filtering out distractions.

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.

New care approach to liver operations speeds patient recovery

Patients undergoing oncologic liver operations who participated in an enhanced recovery program returned sooner to their normal life function and adjuvant cancer therapies than patients who were treated with a traditional approach. The study found that 75% of enhanced recovery patients achieved their baseline functional status within 3...

Dead men punching

Researchers used cadaver arms in experiments supporting the idea that human hands evolved for both manual dexterity and fistfighting. They found humans can safely strike with 55% more force with a fully buttressed fist than with an unbuttressed fist.

Gardening therapy helps women on long-term sick leave return to work

A study at the University of Gothenburg found that combining garden therapy and job coaching strengthens women's physical and mental health, improving their quality of life. The program included practical gardening, mental exercises, and social work to support women on long-term sick leave

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.

Nanoscale diamond 'racetrack' becomes breakthrough Raman laser

Researchers at Harvard University have developed a new class of Raman laser using nanoscale diamond resonator, enabling wider wavelength range and potential for improved telecommunications. The device works by converting one frequency of laser light to another, opening up possibilities for broadband data communications.

Test could predict whether breast cancer will spread to the brain

A new test predicts whether breast cancer will spread to the brain by analyzing high activity in a particular gene called alpha beta-crystallin. Women with aggressive forms of breast cancer are three times more likely to develop secondary brain tumors if they test positive.

Researchers measure gait to reduce falls from glaucoma

Washington State University researchers created a sensing platform to measure and analyze gait patterns in people with glaucoma. This innovation aims to reduce falls and injuries by detecting early signs of the disease, such as slower walking pace and unequal step placement.

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.

The dirty business of making new clothes tries to clean up

The textile industry is making efforts to clean up its act by using safer chemicals and natural alternatives, reducing water pollution caused by toxic compounds like dyes and solvents. Environmental groups are also calling for stricter practices to prevent illnesses among nearby residents and harm to local farms.

Rice news release: Cobalt atoms on graphene a powerful combo

Researchers at Rice University have created a novel, solid-state catalyst that splits water into hydrogen and oxygen, promising lower-cost alternatives to expensive platinum catalysts. The catalyst, made from nitrogen-doped graphene and cobalt atoms, shows high efficiency and durability in generating clean energy.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Metal defects can be eliminated by cyclic loading

Researchers have found that repeated small stretching of nanoscale metal pieces can eliminate crystal defects in its crystalline structure, strengthening the material. This phenomenon is counterintuitive, as it is opposite to what one sees in larger metal crystals.

Think global, act local goes for e-commerce, too

A new meta-analysis of e-excellence reveals that online businesses need to adjust almost every aspect to local culture, regulatory environment, and industry-specific factors. The study found that the relative importance of quality dimensions varied according to cultural attributes, regulatory environments, and industry contexts.

Dive of the RoboBee

Researchers at Harvard's John A. Paulson School of Engineering and Applied Sciences have created a flying, swimming robotic bee that can transition between air and water. The microrobot, smaller than a paperclip, uses flapping motions inspired by puffins to propel itself through both mediums.

Dynamic social-network analysis reveals animal social behaviors

A new dynamic social-network analysis tool has revealed that the two species have vastly different community structures, with zebras forming large, stable groups and onagers forming smaller, more transient groups. This study provides insights into the adaptive value of these behaviors in response to different environmental pressures.

Apple iPhone 17 Pro

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

Study reveals how brain multitasks

A study published in Nature found that the thalamic reticular nucleus (TRN) plays a crucial role in multitasking by filtering out distracting sensory information. The TRN acts like a switchboard, continuously filtering sensory input and shifting attention to one sense while blocking out others.

Genomic study sheds light on protective effects of malaria vaccine candidate

A genomic study has uncovered key biological insights into the protective effects of the RTS,S/AS01 malaria vaccine candidate. The research found that genetic variation in the protein targeted by RTS,S influences its ability to ward off malaria in young children, with allele-specificity playing a crucial role in vaccine protection.

Dehydration in older people could be detected by routine blood tests

Researchers have found a way to accurately screen for dehydration in older adults using routine blood tests for sodium, potassium, urea, and glucose. A simple mathematical equation can tell whether an older person is drinking enough fluid, reducing the risk of poor health outcomes such as disability and death.

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.

Synthetic batteries for the energy revolution

Researchers at Jena University developed a simple, safe, and economical redox-flow battery based on organic polymers and water, which can be produced at lower cost than traditional systems. The new technology has shown high capacity and efficiency in initial tests.

Beavers take a chunk out of nitrogen in Northeast rivers

Research found beaver-created ponds can remove 5-45% of nitrogen from water, reducing the risk of algal blooms and low oxygen levels. The study's findings suggest a new perspective on the ecological benefits of beavers in the region.

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.

Everything you always wanted to know about marketing channels

The article provides a comprehensive overview of marketing channel systems, tracing their evolution from two-party relationships to networks of channels and multiple platforms. Key findings include the impact of globalization, e-commerce technologies, and big data on channel decisions.

Using patients' trail of digital crumbs for public health surveillance

Novel Data Streams (NDS) offer a promising approach to public health surveillance by analyzing patient-generated digital data. NDS encompasses various sources, including internet search data and social media posts, allowing for nearly instantaneous and fine geographic scale surveillance.

Children who take antibiotics gain weight faster than kids who don't

A new study suggests that antibiotic use during childhood can lead to faster weight gain and higher body mass index (BMI) over time. The research analyzed data from over 163,000 children and found that those who received antibiotics multiple times weighed about three pounds more than those who did not.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

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.

LSTM's health economists call for strategies for universal access to medicines

Health economists from the Liverpool School of Tropical Medicine argue that universal access to medicines is critical in controlling neglected diseases, major infections, and chronic diseases. The PURE study reveals that secondary prevention is unavailable and unaffordable in many communities worldwide, highlighting the need for polici...

Splitting human embryos to produce twins for IVF may not be viable

A new study led by King's College London found that splitting human embryos to produce twins for IVF may not be viable due to delays in development. The research suggests that a 'developmental clock' plays a critical role in earliest stages of human development, which can be interrupted by the splitting process.

Berkeley Lab scientists to help build world's first total-body PET scanner

The Berkeley Lab team is developing electronics that will send data from the scanner's detectors to a computer, converting it into a three-dimensional image of the patient. This new scanner will have half a million detectors, reducing a patient's radiation dose by a factor of 40 and scanning time from 20 minutes to just 30 seconds.

Using ultrasound to improve drug delivery

Researchers have found a way to enable ultra-rapid drug delivery to the gastrointestinal tract using ultrasound waves, which could aid in treating inflammatory bowel diseases. The technology, tested in pig and mouse models, showed improved absorption of insulin and mesalamine, paving the way for potential new treatments.

Fluke 87V Industrial Digital Multimeter

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

Gone with the wind

Researchers at the Max Planck Institute for Ornithology found that birds can save energy and time by using optimal wind conditions. They calculated global aerial flyways that allow efficient traveling, suggesting a new strategy for migratory birds to reduce travel time and increase reproductive output.

New study rings alarm for sugar maple in Adirondacks

A new study found a significant decline in the growth rate of sugar maple trees in the Adirondack Mountains, raising concerns about the long-term health of northeastern ecosystems. The research suggests that factors such as acid rain, insect outbreaks, and late frost damage may contribute to this decline.

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.

Breast, ovarian cancer risk may have association with sense of smell

Researchers found that mice with BRCA1 mutations exhibited enhanced responsiveness to male scent, which stimulated their estrous cycles and ovary function. This discovery suggests a potential indirect link between sense of smell and breast, ovarian cancer risk in women carrying BRCA1 mutations.

Diamonds -- a tooth's best friend?

Researchers have created a new material combining nanodiamonds, gutta-percha, and amoxicillin to strengthen root canal fillings and kill bacteria. The material shows promise in preventing re-infections and improving current therapies.

Celestron NexStar 8SE Computerized Telescope

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

Staphylococcus aureus Achilles' heels

Scientists have identified a human cell protein called PLEKHA7 as a key modulator of Staphylococcus aureus virulence. Mice lacking this protein showed improved healing from skin infections and pneumonia, paving the way for potential new therapies to combat antibiotic-resistant strains.

Caltech scientists find cells rhythmically regulate their genes

A new study finds that cells activate and deactivate proteins in a series of unpredictable pulses, allowing them to control gene expression. The timing of these pulses may play an important role in cellular processes such as information processing and stress response.

Worldwide shift in heart medication delivery required: Study

A radical shift is needed in how heart medicines are provided and preventive care is organized in healthcare systems to improve rates of use. Generic versions of medicines should be made available for free in developing countries, while non-physician health workers can improve uptake and adherence.

Blood pressure medication can't undo all damage

A new Northwestern Medicine study found that blood pressure medication can reduce cardiovascular disease risk, but it cannot undo all previous damage. Middle-aged adults with well-controlled hypertension on medication had a higher risk of end-organ damage compared to those without treatment.

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.

Masaaki Suzuki receives the 2015 Gutenberg Teaching Award

Masaaki Suzuki, a leading authority on Johann Sebastian Bach, received the 2015 Gutenberg Teaching Award for his contributions to academic teaching in instrumental music, conducting, and vocal arts. The award recognizes his interdisciplinary approach to teaching, which crosses subject and cultural borders.

This fish out of water cools down fast: Study

Researchers found that mangrove rivulus fish rapidly lose body temperature by jumping out of water and onto solid ground, where evaporation cools them down. The study, led by the University of Guelph team, also showed that these fish can tolerate warmer waters better after being exposed to higher temperatures for a week.

Genetic defense for violent crimes could backfire for defendants

New research suggests that jurors may support an insanity defense if they believe a defendant has a genetic explanation for their actions, but also view them as a persistent threat. The study found that participants were more likely to support a diminished capacity defense and believed the defendant had less control over their actions.

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.