Bluesky Facebook Reddit Email

Science News Archive 2012


Page 14 of 333

Bedroom TV viewing increases risk of obesity in children

A new study published in the American Journal of Preventive Medicine found that bedroom TV viewing is associated with increased waist circumference and obesity risk in children. The research suggests that having a TV in the bedroom may disrupt healthy habits, such as sleep and regular family meals, contributing to weight gain and obesity.

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.

How our sense of touch is a lot like the way we hear

A study by Sliman Bensmaia and colleagues found that the timing and frequency of vibrations in the skin transmit specific messages about texture to the brain, similar to how sound is perceived. This new understanding has implications for simulating tactile sensations, such as haptic rendering and prosthetic technology.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Scary news for corals -- from the Ice Age

A team of international marine researchers found evidence of a sharp decline in coral diversity near the equator, with only 50-60% of species present further away. The study suggests that warming temperatures may lead to corals retreating towards the poles during warm periods and retracting towards the equator in cooler times.

An elusive effect measured during the last Venus transit

Scientists observed and measured the tiny distortion in a star's light caused by Venus passing in front of it. The effect, known as the Rossiter-McLaughlin effect, is difficult to detect but holds promise for studying exoplanets. Measuring this effect will aid in understanding the history of exoplanet formation.

What causes hot flushes during menopause?

A team of researchers has identified KNDy neurons as a likely control switch of hot flushes, suggesting that hormonal changes in menopause trigger vasodilation and increased body temperature. The discovery provides a crucial step towards developing more effective treatments for hot flushes.

Primary care physicians play vital role in caring for diabetes patients

Researchers found that primary care physicians provide higher quality care to diabetes patients by altering medications and offering lifestyle counseling more frequently. This study highlights the importance of a consistent primary care physician in managing chronic conditions like diabetes.

Apple iPhone 17 Pro

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

No need to prepare

Researchers sequenced DNA molecules directly without library preparation, using less than one nanogram of DNA. The technique has potential for fast and efficient identification of organisms in hospitals and healthcare settings.

Grains gang up to bear brunt of missile and meteorite impacts

Researchers have discovered a jerky, non-smooth energy transfer from a meteorite or missile to sand and dirt grains during impact. The study shows that the sound wave and grains behave differently than previously assumed, with pulses moving along networks of grains, or force chains.

Alternative to fullerenes in organic solar cells -- just as exciting

Researchers at the University of Warwick have identified a new class of molecular acceptors that can be used to replace fullerenes in organic solar cells, improving their efficiency and reducing costs. This breakthrough could unlock the door to more efficient and cheaper solar cells.

New research helps predict susceptibility to Burkitt lymphoma

The study found a significant increase in the risk of developing eBL in young children with a distinct pattern of antibody responses to several different recombinant Pf malaria antigens. Antibodies to SE36, a vaccine candidate protein, were associated with a decreased risk of eBL.

Device helps children with disabilities access tablets

Researchers at Georgia Tech have created Access4Kids, a wireless input device that translates physical movements into fine-motor gestures to control tablets. The device allows children with fine motor impairments to access off-the-shelf apps and custom-made apps for therapy and science education.

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.

Rice cultivates green batteries from plant

Researchers at Rice University have discovered that the madder plant's purpurin can be used as a natural cathode for lithium-ion batteries, offering an environmentally friendly alternative to conventional batteries. The team has built a half-battery cell with a capacity of 90 milliamp hours per gram after 50 charge/discharge cycles.

New tuberculosis drug trial begins in South Africa

A Phase 2a trial is being conducted to assess the effectiveness of AZD5847, a new test drug for patients with tuberculosis, including those with HIV co-infection. The study aims to improve treatment options for TB, a leading infectious cause of death among people with HIV/AIDS.

Combining diagnostic tests more accurate at predicting Alzheimer's

Researchers at Duke University Medical Center found that combining diagnostic tests more accurately predicts Alzheimer's in patients with mild cognitive impairment. The combination of MRI, FDG-PET, and cerebrospinal fluid analysis reduced misdiagnoses by 28.4% compared to individual tests.

Meta Quest 3 512GB

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

Mussel goo inspires blood vessel glue

Researchers have created a gel that can be painted onto blood vessel walls to form a protective barrier, potentially preventing rupture and inflammation. The gel's 'sheer strength' could shore up weakened vessel walls and prevent the formation of blood clots.

UT study: Students who are more physically fit perform better academically

A recent UT study examined how academic achievement relates to physical fitness in middle school students. The study found that students with the highest fitness levels performed better on standardized exams and earned higher grades. By being active, kids may be able to raise their grades without sacrificing academic instruction.

Need to move soon? Don't trust your emotions

A new study published in the Journal of Consumer Research found that consumers make emotional assessments when making decisions closer to their future. The study suggests that companies should tailor their messages to appeal to feelings or objective assessments based on the proximity of the decision outcome.

Fluke 87V Industrial Digital Multimeter

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

Discovery of tiny fossil new to science

An international team of researchers has discovered a new species of ostracod, a type of crustacean, in 425 million-year-old rocks. The fossils are exceptionally well-preserved, including the shell and soft tissues such as body, limbs, eyes, gills, and alimentary system.

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.

Why do so many women leave biology?

Women leave academia at higher rates than men in biology due to intense competition for tenure-track positions, particularly when they have children. In contrast, medicine's earlier competition period may contribute to lower attrition rates among women scientists.

How do stay-at-home dads seek greater social acceptance?

Stay-at-home fathers are mobilizing to build greater legitimacy for their marginalized gender identity by aggressively pursuing recognition from mainstream institutions. They attempt to avoid feminizing associations by masculinizing domesticity, instead enacting a rebel dad persona and portraying themselves as a gender vanguard.

TACC develops visualization software for humanities researchers

The Texas Advanced Computing Center (TACC) has released MostPixelsEver: Cluster Edition, an open source software tool that enables interactive multimedia visualizations on high resolution, tiled displays. This software aims to make visualization tools more accessible for humanities researchers.

The current state of lung cancer treatment

Recent advancements in lung cancer treatment focus on targeting specific genetic mutations, resulting in improved patient response rates (70-80%) compared to traditional chemotherapies. However, challenges remain in securing funding for clinical trials and staying ahead of the disease's rapid mutation rate.

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.

Long-term public health support needed to tackle infectious disease outbreaks

The study found that disruption to public health infrastructure was the primary factor contributing to infectious disease outbreaks, accounting for 40% of cases. The authors recommend prioritizing development funding over emergency funding to strengthen surveillance and diagnostic capacity in developing countries.

Study finds epigenetics, not genetics, underlies homosexuality

Researchers found that sex-specific epi-marks can lead to homosexuality when they escape erasure and are transmitted from father to daughter or mother to son. This study solves the evolutionary riddle of homosexuality, suggesting that epigenetics is a critical factor contributing to the phenomenon.

NIH-funded trial launched to assess experimental TB drug

A clinical trial led by researchers at Case Western Reserve University will enroll 75 men and women with drug-sensitive pulmonary tuberculosis to test the investigational TB drug AZD5847. The study aims to determine whether the drug reduces TB bacteria counts in participants, with a focus on patients co-infected with HIV.

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.

Eating or spending too much? Blame it on Facebook

A study by Keith Wilcox and Andrew T. Stephen found that Facebook usage can lead to reduced self-control, resulting in unhealthy snacking, increased body mass index, and higher credit card debt among users with many close friends. The research highlights the potential negative impact of social media on consumer well-being.

New system for aircraft forecasts potential storm hazards over oceans

A new system developed by NCAR combines satellite data and computer weather models to predict potentially dangerous atmospheric conditions. The system provides pilots with critical information about storms, turbulence, and lightning, helping to improve flight safety over remote ocean regions.

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.

New method quantifies uncertainty in estimates of child mortality rates

A new statistical method called bootstrapping has been used to calculate uncertainty intervals for child mortality rate estimates in 174 countries. This approach provides more insights into countries' progress in reducing child mortality, enabling a categorization of countries based on the evidence for progress.

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.

Concussions affect children's brains even after symptoms subside

A study found that brain changes in children who suffered a concussion persisted for over three months, despite the disappearance of symptoms. The researchers used advanced imaging techniques to monitor recovery and suggested that using these methods could help diagnose and treat concussions in children.

Ancient red dye powers new 'green' battery

Researchers from City College of New York have developed a non-toxic and sustainable lithium-ion battery powered by purpurin, a natural plant dye extracted from the madder plant. The battery's production process is simpler and less expensive than traditional Li-ion batteries, with fewer environmental risks.

My, what big teeth you have! Threatening objects appear closer

Studies show that when faced with a threat, our bodies respond with fight-or-flight responses and engage perceptual biases to misperceive objects as being closer. However, this effect is absent in cases of disgust. These findings support the threat-signal hypothesis, suggesting that perception can be biased to promote functional action.

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.

Value or attention: Why do consumers prefer familiar products?

A study found that consumers are more likely to buy a product they previously focused on, while ignoring a product decreases its purchasing chances. Companies can exploit this by drawing attention through advertising or packaging to gain long-term advantages.

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.

Combination of imaging exams improves Alzheimer's diagnosis

A combination of diagnostic tests, including MRI, PET and cerebrospinal fluid biomarkers, can improve the prediction of conversion from mild cognitive impairment to Alzheimer's disease. The study found that combining these tests reduced false classifications and increased accuracy compared to clinical testing alone.