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Science News Archive December 2013 - Page 11


Page 11 of 27

Microprinting leads to low-cost artificial cells

Artificial cells manufactured via microprinting can mimic natural cell membranes, allowing researchers to study cellular processes. The creation of uniform-sized artificial cells with proteins and lipids enables high-throughput screenings for drug delivery and disease prevention.

SourcePenn State·JournalAdvanced Materials·DateDec 16, 2013

A universal RNA extraction protocol for land plants

A new RNA extraction protocol for land plants has been developed, allowing for the extraction of high-quality RNA from a wide variety of plant species and tissue types. This protocol will greatly facilitate RNA-based studies of non-model plant species and enable comparative analyses of transcriptomes across diverse lineages.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateDec 16, 2013
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.

Golden trap: Highly sensitive system to detect individual molecules

Researchers have developed a highly sensitive system to detect individual molecules using a 'golden trap' technique. By creating a customized environment with gold nanoparticles and DNA, they can capture and identify single molecules, opening up possibilities for early disease detection in medical diagnostics.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalThe Journal of Physical Chemistry Letters·DateDec 16, 2013

Nanofriction on the tip of the microscope

Researchers observed 'dissipation' peaks in NbSe2 due to frictional force, related to charge density waves. Their theoretical model reproduces experimental data, shedding light on nanofriction mechanisms underlying energy losses.

SourceInternational School of Advanced Studies (SISSA)·JournalNature Materials·DateDec 16, 2013

The effects of sequestration on Indian health

A new commentary highlights the devastating impact of sequestration on the Indian Health Service, perpetuating longstanding health care disparities. Funding cuts lead to rationing of services, contributing to a 4.1-year gap in life expectancy compared to mainstream Americans, with alarming rates of alcoholism, diabetes, and mortality.

SourceThe Hastings Center·JournalHastings Center Report·DateDec 16, 2013
Apple iPhone 17 Pro

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

Scientists identify molecular biomarkers of vaccine immunity

Researchers at Emory Vaccine Center compared the molecular signatures induced by five different vaccines to predict vaccine effectiveness and stimulate immune responses. The study suggests that gene expression predictors are dependent on vaccine type, rather than universal.

SourceEmory Health Sciences·JournalNature Immunology·DateDec 16, 2013

Ultrafast heating of water -- This pot boils faster than you can watch it

Researchers have developed a novel way to boil water in under a trillionth of a second, opening new paths for experiments with heated samples of biological relevance. The technique uses terahertz radiation to heat up small amounts of water by as much as 600 degrees Celsius.

SourceDeutsches Elektronen-Synchrotron DESY·JournalAngewandte Chemie International Edition·DateDec 16, 2013

Deep-sea corals record dramatic long-term shift in Pacific Ocean ecosystem

A study by University of California, Santa Cruz researchers found a significant shift in the North Pacific Subtropical Gyre's food web since 1850, driven by changes in nitrogen sources. The shift may be related to the expansion and warming of open ocean gyres, which limits nutrient delivery to surface waters.

SourceUniversity of California - Santa Cruz·JournalNature·DateDec 15, 2013
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.

Pitt study: Lung lesions of TB variable, independent whether infection is active or latent

A new animal study led by researchers at the University of Pittsburgh School of Medicine found that TB lung lesions are surprisingly variable and independent of each other, regardless of whether the patient has clinically active or latent disease. The findings could point the way to new vaccines to prevent the hard-to-treat infection.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalNature Medicine·DateDec 15, 2013
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.

Timing is everything in new nanotechnology for medicine, security and research

Researchers at Purdue University and Macquarie University have developed a way to control the length of time light from luminescent nanocrystals lingers, exponentially boosting detection capabilities. This technology can identify thousands of different target molecules simultaneously, far surpassing current limits.

SourcePurdue University·JournalNature Photonics·DateDec 15, 2013
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 split water into hydrogen, oxygen using light, nanoparticles

Researchers from the University of Houston have discovered a catalyst that can quickly generate hydrogen from water using sunlight, producing twice as much hydrogen as oxygen. The technology has potential as a clean and renewable source of energy, but its efficiency rate is still too low to be commercially viable at present.

SourceUniversity of Houston·JournalNature Nanotechnology·DateDec 15, 2013

Virus grows tube to insert DNA during infection then sheds it

Researchers discovered a temporary tube-shaped structure in the phiX174 virus to deliver its DNA during infection. The tube attaches to host cell membranes and contains amino acids ideal for DNA transfer. This finding may be crucial for efficient genome translocation.

SourcePurdue University·JournalNature·DateDec 15, 2013

Silencing signals sent by parasite could aid sleeping sickness fight

Scientists at the University of Edinburgh made a groundbreaking discovery that could help combat the spread of sleeping sickness. By understanding how parasites communicate with each other, researchers may be able to develop new drugs to disrupt these messages and limit the disease's transmission.

SourceUniversity of Edinburgh·JournalNature·DateDec 15, 2013
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.

Climate change will endanger caribou habitat, study says

A study published in Nature Climate Change suggests that climate change will endanger the habitat of caribou, a species already threatened by the loss of critical lichen-rich environments. The research, led by University of Calgary professor Marco Musiani, analyzed DNA from reindeer and caribou populations across North America and Europe.

SourceUniversity of Calgary·JournalNature Climate Change·DateDec 15, 2013

Climate change threatens genetic diversity, future of world's caribou

Caribou populations in climatically stable areas have the greatest genetic diversity, but climate change is expected to reduce viable habitat and lead to population isolation and fragmentation. As a result, caribou will lose the ability to adapt to change and become more vulnerable to extinction.

SourceUniversity of Alaska Fairbanks·JournalNature Climate Change·DateDec 15, 2013

Regular exercise in middle age protects against muscle weakness later in life

A cross-sectional study by Tokyo University found exercising in middle age is a protective factor against sarcopenia and effective in maintaining muscle strength and physical performance. The prevalence of sarcopenia was higher with increasing age, but exercise habits in middle age were significantly associated with lower risk.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·DateDec 14, 2013

Exercise counters the physiological effects of Christmas excess

A daily bout of exercise significantly reduces detrimental health impacts from short-term overeating and inactivity. Exercise prevents unhealthy metabolic changes and disrupted nutritional balance, even when consuming thousands of calories more than burned.

SourceWiley·JournalThe Journal of Physiology·DateDec 14, 2013
Fluke 87V Industrial Digital Multimeter

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

Hong Kong study shows lower survival rates after second hip fractures

A Hong Kong-based study found that 75% of second hip fractures occurred within 4 years of the initial fracture, with female patients experiencing a higher incidence. The study also revealed lower survival rates after a second hip fracture, with median survival times of 3 years and 8 months compared to 4 years and 10 months after the fi...

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·DateDec 14, 2013

New concerns over safety of common anesthetic

A large study found that patients receiving etomidate for anesthesia may be at increased risk of mortality and cardiovascular events, with a 250% increase in death risk compared to those receiving propofol. The results have sparked concerns over the safety of etomidate use.

SourceWolters Kluwer Health·JournalAnesthesia & Analgesia·DateDec 13, 2013

New public attitudes about access to medical information, bio tissue for research

A study found that educating the public about medical information access and bio tissue research improves attitudes, with participants supporting safeguards and anonymity. The study's results suggest that once the general public understands the risks and options, they are more willing to contribute to research.

SourceUniversity of Utah Health·JournalJournal of Community Genetics·DateDec 13, 2013
Meta Quest 3 512GB

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

Tighten up value for money appraisals of new drugs in England, urges DTB

The DTB suggests that England should reject new drugs if pharmaceutical companies fail to provide supporting evidence, reducing duplication of effort and postcode availability. This follows the example of Scotland and Wales, where such decisions are made by a single UK appraisal service.

SourceBMJ Group·JournalDrug and Therapeutics Bulletin·DateDec 13, 2013

Defending medical oncology to assure quality care for cancer patients

The European Society for Medical Oncology (ESMO) releases a position paper on the role of medical oncologists in cancer care, emphasizing the importance of their specialist training. The paper aims to guarantee access to optimal treatment for Europe's growing number of cancer patients.

SourceEuropean Society for Medical Oncology·JournalAnnals of Oncology·DateDec 13, 2013

Evidence of savings in accountable care organizations and cancer care

Researchers found a significant reduction in Medicare spending of $721 annually per patient, with no adverse consequences for survival, through the use of accountable care organizations (ACOs). ACOs led to better management of acute care, resulting in fewer hospital admissions among beneficiaries with prevalent cancer.

SourceDartmouth Health·JournalHealthcare·DateDec 13, 2013

Swirls in remnants of big bang may hold clues to universe's infancy

Researchers detected twisting patterns in polarization of oldest light in the universe, hinting at complex processes and properties of the earliest moments in the universe's formation. The discovery could help physicists better understand the distribution of mass and define cosmologically important properties.

SourceUniversity of Chicago·JournalPhysical Review Letters·DateDec 13, 2013
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.

UCSF research finds new link between obesity, early decline in kidney function

A new UCSF-led study reveals that body mass index significantly increases the risk of developing chronic kidney disease, even before other obesity-related diseases emerge. Healthy kidneys play a vital role in various bodily functions, and the research emphasizes the importance of intervening early in life with obese patients.

SourceUniversity of California - San Francisco·JournalAmerican Journal of Kidney Diseases·DateDec 13, 2013

Nutrition report cards receive high marks in pilot program

A new Cornell University study found that nutrition report cards sent to parents can encourage healthy eating habits in their children. The pilot program showed that students selected fruits and vegetables more frequently, and flavored milk less often, after receiving the reports.

SourceCornell University·JournalPLOS ONE·DateDec 13, 2013
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.

Snail fever expected to decline in Africa due to climate change

A new study predicts that climate change will lead to a decline in the spread of snail fever in Africa, with up to 19% reduction in infectious areas. The parasite's host snails are expected to lose suitable habitats due to rising temperatures and changing precipitation patterns.

SourceUniversity of Copenhagen·JournalActa Tropica·DateDec 13, 2013

Scientists and practitioners don't see eye to eye on repressed memory

A recent study found that while mainstream psychotherapists and clinical psychologists are more skeptical about recovered memories than they were 20 years ago, there remains a significant gap between researchers and clinicians in their beliefs about memory. The divide has implications for clinical practice and the judicial system.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 13, 2013

UTHealth's Arthur Day, M.D., honored by neurosurgical association

Arthur L. Day, M.D., professor of neurosurgery at UTHealth, received the Founders' Laurel Award for his exceptional service and meritorious accomplishments in medical education. He is recognized internationally for his expertise in cerebrovascular and skull base neurosurgery, particularly in treating pituitary tumors.

SourceUniversity of Texas Health Science Center at Houston·DateDec 13, 2013
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.

National award honors CHOP scientist for career work in gene therapy for hemophilia

Dr. Katherine High's groundbreaking research in gene therapy has led to novel approaches to correcting hemophilia, with ongoing studies in a current NIH-funded clinical trial. The E. Donnall Thomas Prize recognizes her remarkable contributions to the field, transforming the notion of using genetically engineered mechanisms for treatment.

SourceChildren's Hospital of Philadelphia·DateDec 13, 2013

Changing chemo not beneficial for metastatic B.C. patients with elevated circulating tumor cells

A phase III clinical trial found that switching to a different chemotherapy did not improve overall survival or time to progression for women with metastatic breast cancer and elevated circulating tumor cells. Patients with low CTCs before starting chemotherapy had a median overall survival of 35 months, while those with elevated CTCs ...

SourceAmerican Association for Cancer Research·DateDec 13, 2013

Clot-busters, caught on tape

Researchers used high-speed photography to study how ultrasound-stimulated microbubbles dissolve killer blood clots. The team found that the bubbles deform the clots' boundaries before burrowing into them, creating fluid-filled tunnels that break up the clots from the inside out.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateDec 13, 2013

Strobe glasses improve hockey players' performance

A Duke University study found that strobe glasses improved hockey players' performance by forcing their visual system to train in difficult conditions. The glasses produced stroboscopic visual conditions, resulting in an 18% improvement in on-ice skills and demonstrating potential benefits for sports performance.

SourceDuke University·JournalAthletic Training & Sports Health Care·DateDec 13, 2013
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.

A stop sign for cancer

Researchers identify two therapeutic targets to block cancer cell growth: PAK and STAT5. The shutdown of either target significantly delays leukemia progression in mice, offering new hope for cancer treatment.

SourceUniversity of Veterinary Medicine -- Vienna·JournalLeukemia·DateDec 13, 2013

No math gene: Learning mathematics takes practice

The study found that practicing different types of math skills can lead to expertise in those areas. This approach helps students identify their strengths and weaknesses, allowing them to focus on areas where they need improvement.

SourceNorwegian University of Science and Technology·JournalPsychological Reports·DateDec 13, 2013

UTHealth named one of nation's NIH stroke network centers

The University of Texas Health Science Center at Houston has been named a regional stroke center by the National Institutes of Health, with a focus on prevention, treatment, and recovery. Researchers are testing new treatments, including stem cell therapies, to improve stroke care.

SourceUniversity of Texas Health Science Center at Houston·DateDec 13, 2013

Marine biologists unmask species diversity in coral reefs

A team of marine biologists has discovered that previously unrecognized species diversity was hiding some corals' ability to respond to climate change. The researchers found that two separate lineages of coral, which look deceivingly similar, have different genetic makeup and survival strategies.

SourcePenn State·DateDec 13, 2013
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.

Zebrafish help decode link between calcium deficiency and colon cancer

Researchers decoded cell messages in zebrafish embryos to understand abnormal colonic cell growth, a common precursor to colon cancer. The discovery provides new insights into pathways fueling low-calcium-related cell growth and potential therapies to prevent colon cancer.

SourceUniversity of Michigan·JournalCell Death and Differentiation·DateDec 13, 2013

No 2 people smell the same

Researchers at Duke University found that individuals can be very different in the way they activate their smell receptors, leading to unique perceptions of odor. The study identified 27 new receptors with significant responses to odor molecules, doubling the known number to 40.

SourceDuke University·JournalNature Neuroscience·DateDec 13, 2013