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Science News Archive December 2014 - Page 2


Page 2 of 28

NASA spots Tropical Storm Jangmi moving into Sulu Sea

Tropical Storm Jangmi is expected to bring strong winds and heavy rainfall to the Philippines as it moves westward through the Sulu Sea. NASA's Aqua satellite detected the storm on December 29, revealing a tightly wrapped low-level circulation centered near 10.0 north latitude and 124.2 east longitude.

SourceNASA/Goddard Space Flight Center·DateDec 29, 2014
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Enzyme's alter ego helps activate the immune system

Researchers discover enzyme SPPL3 activates T cells without cutting proteins, providing new insight into immune system control. The findings could also shed more light on presenilin functions and related Alzheimer's disease.

SourceJohns Hopkins Medicine·JournalMolecular and Cellular Biology·DateDec 29, 2014

The biological spoils of war

A Harvard study found that members of an East African herding tribe who engaged in violent raids had more wives and thus more opportunities to increase their reproductive success. The study, which analyzed the data of 120 men, found a clear correlation between raid participation and higher reproductive capacity.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateDec 29, 2014

Text messaging reminders increase second dose influenza vaccinations in children

Researchers found that sending text message reminders increased receipt of the second dose of the vaccine by the end of the season and brought children in sooner to be vaccinated. When educational information was embedded into the text messages, the effect was even greater compared to conventional text messages or written reminders only.

SourceColumbia University's Mailman School of Public Health·JournalPEDIATRICS·DateDec 29, 2014

Study: Drug combo slows heart decline in muscular dystrophy

A new clinical trial has shown that using available heart failure drugs can slow the progressive decline in heart function in boys with Duchenne muscular dystrophy. The combination of eplerenone and either an ACE inhibitor or angiotensin receptor blocker significantly reduces left ventricular function decline.

SourceMediaSource·JournalThe Lancet Neurology·DateDec 29, 2014

Tracing evolution of chicken flu virus yields insight into origins of deadly H7N9 strain

A study found that changes in the H9N2 flu virus in chickens may have contributed to the creation of the H7N9 avian virus, which has caused outbreaks and deaths since 2013. The research suggests tracking genetic diversity of H9N2 on poultry farms could provide an early warning of emerging viruses with pandemic potential.

SourceSt. Jude Children's Research Hospital·JournalProceedings of the National Academy of Sciences·DateDec 29, 2014
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.

Year of birth significantly changes impact of obesity-associated gene variant

Researchers found a significant impact of the FTO gene variant on body mass index (BMI) that largely depends on birth year, with stronger correlations in later years. The study suggests that broad environmental changes may alter the effect of the gene variant, highlighting the importance of considering time of birth in genetic studies.

SourceMassachusetts General Hospital·JournalProceedings of the National Academy of Sciences·DateDec 29, 2014

Binge drinking disrupts immune system in young adults, study finds

A study led by Dr. Majid Afshar found that binge drinking in young adults significantly disrupts the immune system, leading to increased risk of falls and traumatic injuries. The study showed that blood samples taken after peak intoxication revealed higher levels of white blood cells and proteins signaling an active immune response.

SourceLoyola Medicine·JournalAlcohol·DateDec 26, 2014

UH Cancer Center researcher looks to ocean to treat sepsis

Dr. Felix Ikuomola, a PhD candidate, is searching for natural products from Hawaii's oceans that can block sepsis by inhibiting endothelial cell permeability. His work aims to provide treatment options for the leading cause of death in the US and a major complication of cancer.

SourceUniversity of Hawaii Cancer Center·DateDec 26, 2014
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.

Egg and sperm race: Scientists create precursors to human egg and sperm

Researchers at the University of Cambridge successfully created primordial germ cells from human embryonic stem cells, a crucial step in early mammalian development. The study identified a critical gene, SOX17, involved in directing human stem cells to become these cells, and showed that PGCs can be made from reprogrammed adult cells.

SourceUniversity of Cambridge·JournalCell·DateDec 24, 2014

Optogenetics captures neuronal transmission in live mammalian brain

Researchers used optogenetics to record synaptic transmissions from light-sensitive neurons to interneurons in the mouse barrel cortex. The study revealed cell-type-specific synaptic connectivity and transmission patterns, shedding new light on brain function.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNeuron·DateDec 24, 2014

The ants that conquered the world

Researchers reconstruct genetic family tree of Pheidole ants, finding two main groups with distinct evolutionary histories in the Americas and Europe/Asia/Africa/Australia. The study reveals a deterministic pattern in climate distribution, suggesting that Pheidole's success is linked to a key innovation.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·DateDec 24, 2014

Project pinpoints 12 new genetic causes of developmental disorders

A nationwide project has revealed 12 new genetic causes of developmental disorders, including intellectual disabilities and congenital heart defects. The Deciphering Developmental Disorders (DDD) project sequenced DNA from over 1,000 children to identify the genes responsible for their conditions.

SourceWellcome Trust Sanger Institute·JournalNature·DateDec 24, 2014
Apple iPhone 17 Pro

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

Locking mechanism found for 'scissors' that cut DNA

Researchers at Johns Hopkins have discovered a safety lock mechanism in the enzyme RAG that prevents helter-skelter clipping of DNA. This discovery provides new insights into how the immune system regulates gene expression and could lead to better understanding of immunodeficiency and cancer.

SourceJohns Hopkins Medicine·JournalCell Reports·DateDec 24, 2014

Study sheds light on what causes cells to divide

A novel study has provided an answer to the long-standing question of how cells control their size and maintain stable distributions. Researchers found that cells follow a simple quantitative principle, adding constant size irrespective of birth size, to ensure stability of size distributions.

SourceUniversity of California - San Diego·JournalCurrent Biology·DateDec 24, 2014

Scientists identify rare cancer's genetic pathway

Researchers at Simon Fraser University have identified the genetic pathway of intrahepatic cholangiocarcinoma (ICC), a rare form of liver cancer that disproportionately affects people in Asian countries. The study's findings could lead to earlier diagnosis and increased survival rates for patients.

SourceSimon Fraser University·JournalNature Communications·DateDec 24, 2014

Human primordial cells created in the lab

Scientists at Weizmann Institute and Cambridge University successfully created human primordial germ cells, the earliest precursors of sperm and ova, in a lab. The breakthrough method could help address fertility issues and potentially enable new reproductive technologies.

SourceWeizmann Institute of Science·JournalCell·DateDec 24, 2014
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.

NASA looks at some severe holiday weather from space

NASA's RapidScat instrument captured high winds in the Gulf of Mexico while Mississippi experienced tornadoes late on Dec. 23. An animation of NOAA's GOES-East satellite data showed the movement of severe weather systems from Canada to South America.

SourceNASA/Goddard Space Flight Center·DateDec 24, 2014

Scientists zero in on how lung cancer spreads

Researchers found that lung cancer cells sever protein ties, allowing them to break loose and spread. Targeting this process could stop lung cancer from spreading by keeping cells stuck together.

SourceCancer Research UK·JournalCell Reports·DateDec 24, 2014

First scientific report shows police body-cameras can prevent unacceptable use-of-force

The Rialto experiment showed that evidence capture is just one output of body-worn video, and the technology is most effective at preventing escalation during police-public interactions. The 'preventative treatment' of body-worn-video relies on the combination of the camera plus cognition of surveillance, causing individuals to modify ...

SourceUniversity of Cambridge·JournalJournal of Quantitative Criminology·DateDec 24, 2014

Taking the grunt work out of Web development

Ur/Web's compiler automatically generates XML code and style-sheet specifications and embeds JavaScript and database code in the right places. The language's typing system helps with security and coordination across Web technologies by preventing unauthorized access between page elements.

SourceMassachusetts Institute of Technology·DateDec 23, 2014
Celestron NexStar 8SE Computerized Telescope

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

High-fat diet, obesity during pregnancy harms stem cells in developing fetus

Research reveals that high-fat diets and maternal obesity during pregnancy compromise the blood-forming stem cell system in the developing fetus. This may contribute to the rise in immune diseases and allergic dispositions in children. The study provides a model for testing whether dietary interventions can repair the damage.

SourceOregon Health & Science University·JournalMolecular Metabolism·DateDec 23, 2014

Weather and environmental satellite crowd sourcing: 2 new apps

Two new mobile apps, SatCam and WxSat, utilize satellite data to capture observations and provide real-time weather information. SatCam enables users to submit cloud product quality assessments and receive satellite images, while WxSat displays and animates full-resolution satellite data for global weather forecasting.

SourceNASA/Goddard Space Flight Center·DateDec 23, 2014
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.

UC researchers find alternate drug therapy lowers antibodies

Researchers at University of Cincinnati discover a new drug therapy that effectively lowers antibodies in kidney patients, paving the way for more successful kidney transplants. The study suggests this approach could benefit up to 10-20% of heart and pancreas transplant candidates who are currently ineligible due to high antibody levels.

SourceUniversity of Cincinnati·JournalAmerican Journal of Transplantation·DateDec 23, 2014

'Mind the gap' between atomically thin materials

Scientists at Penn State have discovered a miniscule vacuum gap that creates an energy barrier for electrons moving between layers of material. This gap is crucial for designing next-generation electronic devices, such as vertical tunneling field effect transistors.

SourcePenn State·JournalNano Letters·DateDec 23, 2014
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.

Trends in indoor tanning among us high school students

According to a study published in JAMA Dermatology, indoor tanning decreased among female US high school students from 25.4% in 2009 to 20.2% in 2013. Frequent indoor tanning was also on the decline, with 10.3% of females engaging in frequent use in 2013. Despite these reductions, indoor tanning remains a common practice among youth.

SourceJAMA Network·JournalJAMA Dermatology·DateDec 23, 2014

CNIO researchers activate hair growth by modifying immune cells

Researchers at CNIO have discovered that macrophages, a type of immune cell, play a key role in activating hair follicle stem cells, promoting hair growth. This breakthrough could lead to the development of novel treatment strategies for hair loss and has broader implications for skin regeneration and cancer research.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalPLOS Biology·DateDec 23, 2014

Ants show left bias when exploring new spaces

Temnothorax albipennis ants exhibit a significant leftward turning bias when exploring new nests and mazes. This behavior is attributed to the use of their left eye for detecting predators and navigating through maze-like environments.

SourceUniversity of Bristol·JournalBiology Letters·DateDec 23, 2014
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.

Researchers map paths to cancer drug resistance

A team of researchers at Duke University Medical Center has identified key events that lead to cancer cell resistance to drugs. By understanding these pathways, they can develop strategies to block them and keep current therapies effective.

SourceDuke University Medical Center·JournalScience Signaling·DateDec 23, 2014

That smartphone is giving your thumbs superpowers

Regular smartphone use reshapes brain activity in response to touchscreen interactions, with the thumb being particularly sensitive to changes. The study found that smartphone users' brains show enhanced electrical activity when all three fingertips are touched, and this activity is directly proportional to phone use intensity.

SourceCell Press·JournalCurrent Biology·DateDec 23, 2014

Genetic study sheds light on how mosquitoes transmit malaria

A research team has sequenced the genomes of 16 Anopheles mosquitoes, revealing new insights into how they adapt to humans as primary hosts of malaria. The findings suggest an underlying genetic/genomic plasticity that enables variation in key traits determining transmission capacity within the genus.

SourceSimon Fraser University·DateDec 23, 2014

SFU scientists help put bedbugs to bed forever

Researchers at Simon Fraser University have created a highly effective and affordable bait and trap for detecting and monitoring bedbug infestations. The innovative technology uses pheromones to lure bedbugs into traps, keeping them contained.

SourceSimon Fraser University·JournalAngewandte Chemie·DateDec 23, 2014
Fluke 87V Industrial Digital Multimeter

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

Genes show the way to better treatment of hepatitis C

Researchers at Aarhus University have found that genetic variations in the interferon lambda 4 protein impact treatment effectiveness for hepatitis C. This discovery suggests that personalized medicine targeting specific genetic variants could lead to better treatment outcomes for patients.

SourceAarhus University·JournalNature Communications·DateDec 23, 2014

Echolocation acts as substitute sense for blind people

Researchers discover that echolocation can induce a 'size-weight illusion' in blind individuals, similar to sighted people's experience. This finding suggests that echolocation may have the potential to be a complete sensory replacement for vision.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 23, 2014

Three new fellows to help guide NREL research

Richard DeBlasio, Sarah Kurtz and Suhuai Wei have been named as new NREL Research Fellows to advise on the strategic direction of science and technology research at the laboratory. They bring extensive expertise in renewable energy, photovoltaics and computational materials science.

SourceDOE/National Renewable Energy Laboratory·DateDec 23, 2014

Scientists discover oldest stone tool ever found in Turkey

Researchers have discovered the oldest recorded stone tool ever found in Turkey, providing a major new insight into when and how early humans dispersed out of Africa and Asia. The discovery dates back to approximately 1.2 million years ago and was made using high-precision equipment.

SourceRoyal Holloway, University of London·JournalQuaternary Science Reviews·DateDec 23, 2014
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.

Functional materials research gets £20 million boost from EPSRC

Seventeen universities and industry partners will receive £32.1 million in funding to develop new materials and technologies, including wearable technology, solar cells, and advanced nanotube applications. The projects aim to accelerate the translation of functional materials science to application and drive economic growth.

SourceEngineering and Physical Sciences Research Council·DateDec 23, 2014

Strong neighborhood ties can help reduce gun violence

A Yale University study reveals that strong neighborhood ties can shield community members from gun violence, reducing chronic trauma and stress. Community-based participatory research empowered 17 community members to gather data, showing a connection between social bonds and reduced exposure to gun violence.

SourceYale University·DateDec 23, 2014

To remove the gallbladder or not -- that is the question

A study by the University of Texas Medical Branch at Galveston found that patients in the highest risk category were less likely to receive gallbladder removal surgery. Despite this, only 22% of those in high-risk group had their gallbladders removed. The researchers used a predictive model to identify low-, moderate-, and high-risk ca...

SourceUniversity of Texas Medical Branch at Galveston·JournalJournal of the American College of Surgeons·DateDec 23, 2014
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.

The heat is on: Causes of hospitalization due to heat waves identified

A Harvard study found that older adults are at increased risk of hospitalization during heat waves due to a range of health issues, including fluid and electrolyte disorders, renal failure, and urinary tract infections. The study's findings have significant implications for healthcare preparedness and prevention.

SourceHarvard T.H. Chan School of Public Health·JournalJAMA·DateDec 23, 2014

Armed virus shows promise as treatment for pancreatic cancer

A study led by Dr Yaohe Wang at Barts Cancer Institute found that arming a modified virus called Vaccinia with a specific gene enhanced its effectiveness against pancreatic cancer. In mice, the armed virus was more effective in killing tumors and preventing regrowth compared to an unarmed version.

SourcePancreatic Cancer Research Fund·JournalClinical Cancer Research·DateDec 23, 2014

Researchers shed light on how 'microbial dark matter' might cause disease

Researchers at UCLA and J. Craig Venter Institute discovered a signaling interaction between TM7x and Actinomyces odontolyticus, which causes mucosal inflammation. The study sheds light on the biological importance of TM7x and its potential roles in chronic diseases.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateDec 23, 2014

SLU researcher discovers a way to control internal clocks

A Saint Louis University researcher has discovered a way to control internal clocks using a small molecule that targets key clock proteins. The compound alters the circadian rhythm, increasing wakefulness and reducing anxiety in mice, suggesting potential treatments for sleep disorders and addiction.

SourceSaint Louis University·JournalNature Communications·DateDec 23, 2014
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.

Using laparoscopy for ventriculoperitoneal shunt placement

A prospective randomized controlled trial found that laparoscopic shunt placement reduced distal shunt failures, a common complication of ventriculoperitoneal shunt surgery. The study also showed comparable overall shunt malfunction rates and hospitalization times between the two groups.

SourceJournal of Neurosurgery Publishing Group·JournalJournal of Neurosurgery·DateDec 23, 2014

Newly discovered assassin bug was incognito, but now it's incognita

A new species of assassin bug, Sinea incognita, has been discovered in the Midwestern United States after remaining undiscovered for over 100 years. The new species was identified by Dr. J.E. McPherson and is distinct from its close relatives, Sinea complexa and Sinea integra.

SourceEntomological Society of America·JournalAnnals of the Entomological Society of America·DateDec 23, 2014

Researchers confirm whole-genome sequencing can successfully identify cancer-related mutations

A recent study by UT Southwestern Medical Center researchers confirms that whole-genome sequencing can successfully identify cancer-related mutations in patients. The method was used to analyze the genomes of 258 cancer patients, detecting nearly 90% of clinically identified mutations and discovering additional cancer gene mutations.

SourceUT Southwestern Medical Center·JournalEBioMedicine·DateDec 23, 2014