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Science News Archive 2015


Page 398 of 402

Integrated space-group and crystal-structure determination

The new SHELXT program solves the phase problem for single-crystal reflection data using a novel dual-space algorithm, extending resolution and accommodating missing data. With high success rates, it has already solved thousands of structures.

New research explores effects of moderate fat diets that include avocados

A new study published in the Journal of the American Heart Association found that a moderate fat diet incorporating one fresh avocado daily improved certain blood lipid markers, including total cholesterol to HDL and LDL-cholesterol ratios. The avocado diet achieved greater reductions in bad cholesterol levels compared to low-fat diets.

Monkeys can learn to see themselves in the mirror

Monkeys can be taught to recognize themselves in a mirror through visual-somatosensory training, demonstrating the neural basis of self-awareness. The study's findings have hopeful implications for people with brain disorders affecting self-recognition.

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.

Alcohol warnings from parents matter

A University at Buffalo psychologist's study shows that parents who communicate the risks of alcohol use with their young children are more likely to have kids who think critically about drinking. The research suggests maintaining those discussions as children grow older can help prevent underage drinking. The study found a correlation...

Was Beethoven's music literally heartfelt?

Researchers analyzed Beethoven's compositions for clues of a heart condition and found striking rhythms that reflect the irregular patterns of his cardiac arrhythmia. The study suggests that Beethoven's music could be 'musical electrocardiograms,' a readout of modern heart rhythm testing equipment.

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.

Levitation recreates nature's dumbbells

Scientists at the University of Nottingham used magnetic levitation to manufacture wax models of tektites, which are tiny glass objects formed by asteroid impacts. The research validates numerical models of spinning droplets and provides new information on tektite formation.

Reprogramming liver cells into pancreas cells

Researchers aim to convert human liver cells into pancreatic beta cells using a novel factor identified in mouse studies. This strategy could provide a patient-specific, autologous cell-based therapy for type 1 and potentially type 2 diabetes.

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.

Restoring vision to the blind

A new report from the Lasker/IRRF Initiative for Innovation in Vision Science explores approaches to restoring sight to those with retinal degeneration. The initiative aims to identify promising methods and accelerate discovery of treatments.

Study: Campus debit cards let students buy cigarettes with parents' money

A study published in British Medical Journal: Tobacco Control found that 11 top universities allow tobacco sales on 'campus cash' debit cards, which are often prepaid by parents. The research highlights the risk of students buying cigarettes with their parents' money, raising concerns about campus health policies.

Better dam planning strategies

Researchers created a new method to estimate global dam impacts on river flow and fragmentation using precise world map data. The study found that 48% of the world's river volume is moderately or severely affected by dams, with this number doubling if all planned dams are completed.

Review article estimates annual US cost of psoriasis in 2013

A review article estimates the annual US cost of psoriasis in 2013 to be between $112 billion and $135 billion. The study found direct costs ranging from $51.7 billion to $63.2 billion, while indirect costs due to absenteeism or reduced work capacity ranged from $23.9 billion to $35.4 billion.

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.

Chapman University publishes research on jealousy

A large-scale study of nearly 64,000 Americans reveals distinct gender differences in response to potential infidelity. Heterosexual men are more likely to be upset by sexual infidelity, while heterosexual women are more likely to be upset by emotional infidelity.

NASA observatories take an unprecedented look into superstar Eta Carinae

Astronomers have developed a comprehensive picture of Eta Carinae, including Hubble Space Telescope images showing ionized gas racing away from the star at high speeds. New 3-D models reveal features of the stars' interactions, including spine-like protrusions in the gas flow along the edges of a spiral cavity.

Fluke 87V Industrial Digital Multimeter

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

Cheap asphalt provides 'green' carbon capture

Rice University researchers have developed a new carbon capture material that can hold 114% of its weight in carbon dioxide, capturing more than current methods. The material is made from inexpensive asphalt and can be reused multiple times without degrading.

Humans erode soil 100 times faster than nature

Researchers found that rates of hillslope erosion before European settlement were about an inch every 2500 years, while during peak land disturbance in the late 1800s and early 1900s, rates spiked to an inch every 25 years. This indicates a 100-fold increase in soil loss due to human activities.

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.

Are human behaviors affecting bird communities in residential areas?

A recent study by the Wildlife Conservation Society found that human behaviors, such as disturbance, may be driving changes to bird communities in residential areas. Despite contrasting geographies, exurban development appeared to have similar effects on birds in two regions, with some species benefiting and others negatively impacted.

Researchers to design, market smartphone app that gauges Ebola risk

Researchers at the University of Kansas are developing an iPhone and Android app called iChequIt that gauges Ebola risk based on social media posts and contact-tracing records. The app will provide users with a running score of their likelihood of contact with the deadly virus, but it's not meant to advise people how to live their lives.

Brain scientists figure out how a protein crucial to learning and memory works

Scientists at Johns Hopkins Medicine have found that the flow of calcium ions into synapses activates CaMKII, which then unhooks SynGAP from scaffolding, spurring Ras signaling to begin. This discovery moves neuroscientists closer to understanding how learning and memory work and developing interventions for problems related to them.

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.

New sampling method reveals oil sand mining is not polluting Athabasca Delta

A new study by the University of Waterloo has found that heavy metal emissions from Alberta's oil sands have not increased contaminant levels in the Athabasca River, despite concerns from local communities. The research developed a novel approach to determine pre-industrial baseline levels of metals in river sediment.

Potential new tool to monitor radiotherapy side effects

A new tool assesses radiotherapy-related toxicities in lung cancer patients using patient-reported outcomes, revealing strongest agreement with quality-of-life measures. The study found that clinicians' recorded toxicities underestimated their severity, highlighting the potential for early detection and improved treatment.

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.

Broad immune response may be needed to destroy latent HIV

A team of Yale and Johns Hopkins researchers identified a strategy to stimulate killer T cells to target and destroy infected cells harboring dormant viruses. The study suggests that directing CTL responses to unaltered pieces of virus may be the future direction for developing a therapeutic vaccine to clear HIV.

Researchers make new discoveries in key pathway for neurological diseases

A team of researchers at Georgia State University has made groundbreaking discoveries in the tryptophan kynurenine pathway, a metabolic pathway linked to psychiatric and neurodegenerative disorders. The study reveals an unexpected enzymatic activity that could lead to new drug design for these diseases.

PTSD doubles diabetes risk in women

A longitudinal cohort study of 49,739 women found a dose-response relationship between PTSD symptoms and increased risk of type 2 diabetes. The researchers also identified antidepressant use and elevated body mass index as significant contributors to the association.

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.

Risks of youth rugby need urgent scrutiny

The article highlights the lack of injury data in youth rugby, putting junior players at risk. Creative match scheduling and preseason training can help improve safety, but a comprehensive dataset is needed to set rational policies.

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.

Argonne partners with industry on nuclear work

The U.S. Department of Energy's Argonne National Laboratory is partnering with three leading nuclear companies to address technical challenges in advanced reactor design. The partnership aims to create next-generation reactors with improved safety and efficiency.

Brain imaging may help predict future behavior

Recent studies using brain imaging show promise in predicting future behaviors such as reading performance, math skills, criminality, and response to treatment. The technology may help identify individuals at high risk of failure, allowing for early interventions and prevention strategies.

Misfit or Miss Goody Two Shoes? Adolescent misperceptions abound

A new study reveals that adolescents have dramatic misperceptions about their peers' behaviors, leading to conformity to social norms. Teens overestimate the amount of drug- and alcohol-use and sexual behaviors among their peers, while underestimating the time spent on studying or exercise.

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.

Selective functionalization synthesizes chemotherapeutic natural products

Researchers at Emory University and Nagoya University developed a novel concise entry to dictyodendrins, a family of natural products with potential cancer chemotherapy and treatment for Alzheimer's disease. The study demonstrates sequential C-H functionalization can streamline the construction of complex structures.

Expressing anger linked with better health in some cultures

Research suggests that in certain cultures, such as Japan, expressing anger is associated with reduced biological health risk, rather than increased risk. In contrast, in Western societies like the US, managing or suppressing anger is linked to better health outcomes.

Meta Quest 3 512GB

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

Tracking subtle brain mutations, systematically

A new technique allows scientists to trace and spatially map 'mosaic' mutations in the brain, providing a significant advance for genetics research. This capability enables the study of both normal brains and brain disorders such as epilepsy and autism, offering new avenues for investigation.

An avocado a day may help keep bad cholesterol at bay

Researchers found that eating one avocado a day as part of a moderate-fat diet can improve bad cholesterol levels in overweight and obese individuals. The study also showed favorable results for total cholesterol, triglycerides, small dense LDL, non-HDL cholesterol, and other cardio-metabolic risk factors.

Mode of action of protein channelrhodopsin-2 decoded

The EHT model describes the mode of action of channelrhodopsin-2 as a twisted retinal group triggering a pore opening and water entry. This understanding enables targeted protein engineering for specific applications.

Smile to remember a smile

Researchers at SISSA found that re-enacting emotional expressions through facial movements enhances memory recall of corresponding emotions. This suggests motor information is encoded during storage and retrieval phases.

Apple iPhone 17 Pro

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