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Science News Archive April 2017


Page 15 of 37

Fertility can hinge on swimming conditions in the uterus

A Washington State University researcher has found that the uterus in female mice contains enzymes that break down semen, making it less gel-like and easier to swim. The study highlights an underappreciated complication in semen liquefaction and could lead to diagnostic tools for unexplained infertility.

Apple iPhone 17 Pro

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

Study: Managers may compromise safety due to earnings expectations

A recent study found that companies facing market pressure to meet earnings expectations may compromise on safety, resulting in a 12% higher injury rate for employees. This is due to managers cutting back on safety-related expenditures and increasing employee output, leading to an economic trade-off between profits and worker health.

Making batteries from waste glass bottles

Researchers at UCR's Bourns College of Engineering turned waste glass bottles into nanosilicon anodes for high-performance lithium-ion batteries. The new battery technology stores more energy, charges faster, and is more stable than commercial coin cell batteries.

A better way to manage phosphorus?

A new phosphorus index aims to reduce agricultural runoff pollution by focusing on field characteristics and best management practices. The updated approach addresses limitations of previous indices, providing a more practical tool for farmers and policymakers.

Few Medicare patients take advantage of free annual wellness visits

Research at Brigham and Women's Hospital found that Annual Wellness Visit (AWV) use increased from 7.5% to 15.6% between 2011 and 2014, but disparities persist in certain groups. Patients from higher-income areas and those affiliated with Accountable Care Organizations were more likely to receive an AWV.

Geeking out in the golden years

A recent study by Philip Guo of older adults learning computer programming reveals a diverse range of motivations, including personal enrichment and connecting with younger family members. Despite frustrations with bad pedagogy and lack of real-world relevance, most respondents were eager to learn and saw the value in digital literacy.

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.

Twin research reveals which facial features are most controlled by genetics

Researchers at King's College London used 3D scans to analyze face shapes of nearly 1,000 UK female twins. They found that the shapes of the end of the nose, cheekbones, and inner corner of the eye are highly influenced by genetics. The study published heritability maps, showing specific genes involved in shaping human faces.

Painkillers relieve zebrafish larvae discomfort

Researchers have found that pain relief medication can ease the discomfort of zebrafish larvae, offering a potential replacement for adult fish used in scientific research. This breakthrough reduces animal suffering and paves the way for more humane testing methods.

Alerting stem cells to hurry up and heal

A new study reveals that a signal in blood, called Hepatocyte Growth Factor Activator (HGFA), can alert stem cells to heal faster and more efficiently after an injury. By injecting HGFA into mice before an injury, researchers showed improved tissue repair, quicker recovery, and better regeneration of damaged tissues.

Could fixing the body clock help people regain consciousness?

A study published by the American Academy of Neurology found that individuals with severe brain injuries whose body temperature patterns closely align with a healthy 24-hour rhythm score better on tests of recovery from coma and arousal. Researchers tested bright light stimulation on participants, revealing positive effects in two cases.

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.

Give life-saving diagnostic tests greater priority, says new report

A new report emphasizes the importance of prioritizing rapid diagnostic tests for life-saving diseases, similar to pregnancy tests. The tests can help tackle antibiotic resistance and improve global health. However, lack of funding and profile are major barriers to their widespread adoption in low- and middle-income countries.

Degradable electronic components created from corn starch

Researchers developed a degradable material using corn starch and metal-organic framework nanoparticles, offering promising properties for electronic substrates and insulators. The material has mechanical, electrical, and flame retardant properties, making it suitable for eco-friendly electronics.

New study ranks hazardous asteroid effects from least to most destructive

A new study estimates that violent winds and shock waves are the most deadly effects of an asteroid impact, accounting for over 60% of lives lost. The study ranked seven effects associated with asteroid impacts and found that tsunamis accounted for 20% of casualties, while seismic shaking was the least concerning.

Evolution of cooperation through longer memory

Researchers created a set of axioms for robust cooperative strategies, reducing computational hurdles. Players with these strategies and memories of length k cooperate if all players took the same actions for the last k rounds, giving rise to all-or-none strategies.

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.

Clues as to why cockroaches are so prolific

A study by Hokkaido University researchers found that grouping female American cockroaches promotes asexual egg production, with synchronized egg case delivery in synchrony. The females perceive female-specific chemosensory signals via their antennae, leading to increased fecundity and colony survival.

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.

What makes a man-eater? Check the teeth

A new study analyzing the teeth of Tsavo's famous man-eaters reveals that dental disease played a significant role in their unusual behavior. The researchers found that the lions' teeth showed less wear and tear than expected, contradicting the hypothesis that they turned to human prey due to food shortages.

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.

Undocumented, would-be scientists face uncertain future in US

Scores of undocumented immigrant youth pursuing careers in chemical sciences and related fields face uncertainty due to potential repeal of the DACA policy. Currently, only marrying a U.S. citizen can legalize their status, with limited avenues for education and employment.

Water is streaming across Antarctica

A new survey found nearly 700 seasonal systems of interconnected ponds, channels and braided streams fringing Antarctica on all sides. The study reveals that warming projected for this century could quickly magnify the influence of these meltwater systems on sea level.

UChicago studies ranked 1 & 2 in Clinical Research Forum's Top 10

Two UChicago studies were recognized as among the top three clinical research papers of 2016 by the Clinical Research Forum. Geneticist Carole Ober and immunologist Anne Sperling led a study showing that house dust mites from Amish homes suppressed allergic asthma in young children. Another team, led by pulmonologist John P. Kress, fou...

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.

Nanoparticles remain unpredictable

Researchers analyzed 270 studies and found a mixed picture of nanoparticles' behavior, with their reactions depending on acidity, mineral concentration, and organic substances. The data is inconsistent, insufficiently diverse, and poorly structured, hindering universal predictions.

Online preconception health education tool positively impacts patient care

Researchers developed and evaluated MyFamilyPlan, a web-based preconception health education module. The study found that women who used the online format were about twice as likely to discuss preconception health with their doctors. This increase in discussions was associated with improved patient care.

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.

New study explains extraordinary resilience of deadly bacterium

Researchers at the University of Maryland have identified how Pseudomonas aeruginosa uses tension-activated membrane channels to resist osmotic downshocks. The bacterium's ability to survive sudden changes in water content is crucial for its persistence in various environments.

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.

Graphene 'copy machine' may produce cheap semiconductor wafers

MIT engineers developed a technique using graphene to transfer crystalline patterns onto semiconductor wafers, reducing wafer costs and opening opportunities for exotic materials. The method allows manufacturers to copy and peel off semiconducting layers, reusing the original wafer multiple times.

3-D-printable implants may ease damaged knees

A team of researchers at Duke University created a cartilage-mimicking material that can be 3D-printed to match the strength and elasticity of human cartilage, potentially easing damaged knees. The new material is custom-shaped to each patient's anatomy, providing improved shock absorption and reducing pain.

Genetic control of immune cell proliferation

Researchers at Osaka University discovered how specific genes regulate B cell cycling in germinal centers. They found that Foxo1 promotes B cell proliferation, but its activation is associated with lymphomas. Reviving BATF levels recovered the proliferation of Foxo1-deficient B cells.

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.

USC team develops new method to create the next fuel-efficient renewable energy

Scientists at USC Loker Hydrocarbon Research Institute have created a new method to generate hydrogen fuel from methanol, producing a carbon-neutral and potentially carbon-positive energy source. The research aims to develop renewable sources of energy that can mitigate climate change and reduce dependence on fossil fuels.

Gaming helps personalized therapy level up

Researchers at Penn State have developed a method to create personalized mental and physical therapy regimens using gaming features. Gamified applications with scoring systems, avatars, and in-game rewards led to significantly fewer mistakes and higher performance than non-gamified applications.

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.

Climatic effect of irrigation over the Yellow River basin

Research finds that large-scale irrigation in the Yellow River basin leads to a decrease in surface air temperature and an increase in latent heat flux, resulting in greater cloud formation. This has a significant impact on regional climate and precipitation patterns.

How to protect cells from selfish mitochondrial DNA

Researchers at Lomonosov Moscow State University have discovered how to protect yeast cells from invasion by selfish mitochondrial DNA molecules. Using uncouplers, which decrease the efficiency of mitochondrial energy conversion, functional mtDNA outcompetes harmful mtDNA variants in a process called mitochondrial turnover.

Gelatine instead of forearm

A skin model made from gelatine can simulate human skin's characteristics and frictional behavior against textiles in dry and hydrated conditions. This allows for early rejection of unsuitable textiles without exposing humans to risk, saving time and resources.

Meta Quest 3 512GB

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

New analysis finds Medicare program underestimates heart attack mortality rates

A new analysis of Medicare's Hospital Compare portal found that the statistical methodology used to rate and compare hospitals underestimates mortality rates of acute myocardial infarction (AMI) at small hospitals. The research proposes an alternative model that incorporates additional factors such as hospital volume, nursing staff, an...

Researchers create red-eyed mutant wasps

Scientists at UC Riverside's Akbari lab have successfully created a strain of red-eyed mutant wasps using CRISPR gene-slicing technology. The goal is to better understand the biology of wasps and other insects to control pests that destroy crops or spread diseases like malaria.

New microscopy method breaks color barrier of optical imaging

Researchers at Columbia University have developed a new optical microscopy platform with drastically enhanced detection sensitivity, allowing for simultaneous labeling and imaging of up to 24 specific biomolecules. This breakthrough has the potential to transform understanding of complex biological systems, including the human cell map...

Hazardous chemicals go unregulated in routine oil and gas operations

A study by PSE Healthy Energy found that many hazardous chemicals used in hydraulic fracturing are also used in routine oil- and gas-field activities, including drilling, cleaning, and maintenance. These findings have major implications for chemical disclosure policies and risk assessments of oil and gas development.

Celestron NexStar 8SE Computerized Telescope

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