Bluesky Facebook Reddit Email

Science News Archive 2011


Page 175 of 311

Brain structure adapts to environmental change

Researchers found that neural stem cells can adapt to stressful environments by producing more neurons when conditions become favorable. The study suggests a novel form of brain plasticity and potential treatment for neurodegenerative diseases.

AcademyHealth honors leading health services researchers

The Distinguished Investigator Award recognizes Dr. Vince Mor for his significant contributions to health services research, while the Alice S. Hersh New Investigator Award is given to Dr. Scott Halpern for exceptional promise in early career. The Article-of-the-Year Award honors researchers Jeffrey Silber and Robert Kaestner for their...

Apple iPhone 17 Pro

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

Healthy planet, healthy people?

A new €3.5 million EU-funded research project will examine the impact of climate policies on human health in seven cities across Europe and China, with a focus on integrating data from various sources to inform key policy decisions.

Preteens surrounded by smokers get hooked on nicotine

A new study from Concordia University and the University of Montreal found that preteens surrounded by smokers are more likely to develop symptoms of nicotine dependence. The study, which surveyed 327 sixth or seventh graders, also found that tweens who observe smoking in others are more likely to start smoking themselves.

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.

Genome offers clue to functions of destructive wheat fungus

Researchers at Purdue University have sequenced the genome of Mycosphaerella graminicola, a devastating wheat pathogen. The study revealed that the fungus has fewer genes related to producing enzymes that break down plant cell walls, suggesting it may evade detection by plant defenses.

Cancer survivors spend more on health care

A new study by Penn State researchers found that cancer survivors in the US spend an average of $9,300 per year on medical expenses, significantly more than those who have never had cancer. The study also revealed gender and demographic disparities in healthcare spending among cancer survivors.

NIH researchers find new clues about aging

A new study by NIH researchers reveals the interaction between telomeres and a toxic protein called progerin that triggers both premature aging syndrome and normal cellular aging. Shortened telomeres lead to increased production of progerin, causing cell damage and activation of programmed aging.

Aurora A may contribute to kidney disease

Researchers found that Aurora A was up-regulated and activated in epithelial cells lining PKD patient kidneys, binding to and phosphorylating polycystin-2. Inhibition of Aurora A boosted intracellular calcium levels, suggesting it may be a viable therapeutic target for boosting polycystin-2 activity in certain patients.

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.

The energy debate: Coal vs. nuclear

A Rutgers study finds that factors such as ecological degradation and trust in energy facilities play a significant role in shaping public preferences for coal and nuclear energy. The research suggests that a one-size-fits-all approach to energy policy is unlikely to succeed, highlighting the need for a comprehensive strategy addressin...

Group therapy helps MS sufferers cope with depression, study finds

A study at The University of Nottingham found that group therapy sessions can reduce anxiety and depression in MS patients, improving their quality of life. The treatment reduced costs for the NHS by almost £470 per patient, with savings also seen in GP visits and outpatient hospital costs.

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.

Researchers improve method for finding genetic mistakes that fuel cancer

Scientists at St. Jude Children's Research Hospital have developed a new algorithm called CREST to identify chromosomal aberrations in tumors, which are likely to advance our understanding of cancer. Using CREST, researchers found 89 new structural differences in cancer genomes and 50 new variations in melanoma cells.

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.

Family genetic research reveals the speed of human mutation

Researchers discovered that on average, thirty mutations are transmitted from each parent to their child, revising previous estimations and revolutionizing the timescale used to calculate generations separating humans from other species. This finding has important implications for research tying specific genetic mutations to diseases.

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.

We are all mutants

Researchers found that humans receive approximately 60 new mutations from their parents, with varying rates coming from the mother and father. The study provides a direct measure of new mutations and reveals surprising differences in mutation rates between families.

Heart attack death rates linked to ambulance diversion

A new study links heart attack death rates to ambulance diversion, revealing that overtaxed emergency rooms lead to worse patient outcomes. For every 100 patients with acute myocardial infarction, there are three potentially avoidable deaths when ambulances are diverted for long periods.

Single GFP-expressing cell is basis of living laser device

Researchers at Massachusetts General Hospital developed a living laser device using a single GFP-expressing cell, which can produce hundreds of pulses of laser light. The cellular device refocuses the light and induces emission of laser light at lower energy levels than required for solution-based devices.

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.

Birdsong independent of brain size

A new study found that the sex differences in the brains of songbirds vary according to their social status. Contrary to previous assumptions, dominant males' larger brain areas controlling song behaviour do not explain their dominance. Instead, gene activity and neural connections play a more significant role

Internal bleeding higher with popular heart device than earlier model

A new study reveals that patients implanted with the HeartMate II left ventricular assist device (LVAD) are at a higher risk of internal bleeding than those who received an earlier model. The research found nearly 22% of patients experienced gastrointestinal bleeding, while eight percent suffered from major adverse neurological events.

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.

Oral appliance therapy improves craniofacial growth direction and snoring

Children with enlarged tonsils and adenoids who wore an oral appliance for six months experienced favorable craniofacial growth, increased pharyngeal dimensions, and improved breathing and snoring during sleep. The treatment also normalized respiratory function and sleep quality, reducing the incidence of obstructive sleep apnea.

Venice to suffer fewer storm surges

A study by CSIRO Australia found that the frequency of extreme storm surge events generated by Adriatic Sea tempests could fall by about 30 percent by 2100. This reduction in extreme events may have beneficial consequences for the conservation of Venice, a World Heritage-listed city built on 117 small islands.

Prototype demonstrates success of advanced new energy technology

Researchers at Oregon State University have successfully prototyped a new energy technology that captures and uses low-to-medium grade waste heat from various sources. The system achieved an impressive 80% conversion efficiency in turning wasted heat into cooling capability, outperforming current approaches.

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.

Analysis finds mortality from all causes higher among hepatitis C-infected

A new analysis found mortality from all causes to be higher in patients with chronic hepatitis C infection. The study, published in Clinical Infectious Diseases, compared mortality rates among 9,378 adults with and without hepatitis C and found a two-fold increased risk of death from both liver- and non-liver related causes.

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.

NASA sees the low that won't quit: System 94L

System 94L is making slow progress in a north-northeasterly direction, bringing clouds to eastern Cuba and the Bahamas. A 60% chance of showers and thunderstorms is forecast for the Bahamas as the low approaches, with a northeasterly track expected over the weekend.

New substances added to HHS Report on Carcinogens

The National Toxicology Program has added eight substances to the HHS Report on Carcinogens, identifying chemicals that may increase cancer risk. These include formaldehyde, a known human carcinogen linked to nasal and other cancers, and captafol, a fungicide with limited evidence of lung cancer.

New guidelines for diagnosis and management of hyperthyroid

The new guidelines provide evidence-based recommendations for optimal care of patients with hyperthyroidism, including treatment options and patient management strategies. The guidelines are a comprehensive update to previous versions and highlight the latest scientific literature and expert experience.

Nearby galaxy boasts 2 monster black holes, both active

Astronomers have discovered a second supersized black hole at the heart of the unusual nearby galaxy Markarian 739. The study used NASA's Swift satellite and Chandra X-ray Observatory to find the hidden AGN, which is one of the nearest and clearest cases of a binary AGN. The dual black holes are separated by only 11,000 light-years.

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.

Two isolates from E. coli outbreak available

Researchers have sequenced two isolates from an E. coli outbreak, providing valuable genomic information to aid in understanding the origins of highly pathogenic strains. The genome annotations reveal unique islands and proteins that may hold clues to virulence or intervention strategies for the new strains.

Shorter sleep durations may increase genetic risks for obesity

A study of 1,811 pairs of twins found that shorter sleep durations were associated with increased expression of genes related to obesity, while longer sleep durations were linked to decreased body mass index. This suggests that genetic influences on body weight may be suppressed by adequate sleep duration.

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.

Voters have up to 5 times more influence in early primaries

Research by Brown University economists finds that daily polling data responds to returns from primary victories, with early voters having a disproportionate impact on candidate momentum. This can lead to candidates spending more resources in early states, potentially altering the nomination outcome.

'1-stop' clinic ups mental health, social work visits for veterans

A study found that Iraq and Afghanistan veterans who visited a VA integrated care clinic were more likely to undergo initial mental health and social work evaluations than those visiting standard clinics. The integrated care model increased the rate of initial mental health evaluations, especially for women veterans, younger veterans, ...

Ultrathin copper-oxide layers behave like quantum spin liquid

Researchers at Brookhaven National Laboratory found that thin layers of copper-oxide materials exhibit wild electron spin fluctuations, a hallmark of quantum spin liquids. This discovery may be crucial to understanding high-temperature superconductivity.

Celestron NexStar 8SE Computerized Telescope

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

Quitlines help smokers quit regardless of recruitment method

Proactive telephone counseling helps increase long-term smoking cessation, with a positive effect on both point prevalence and prolonged abstinence. The study suggests that active recruitment methods do not significantly impact quit rates, contrary to previous assumptions.

Clever tool use in parrots and crows

Researchers investigated problem-solving abilities and innovative capacities of kea and New Caledonian crow. The studies revealed that both species employ various tools to achieve food rewards, with the kea mastering compact object tools and the crow using elongated objects like sticks to probe for grubs.

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.