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Science News for January 13, 2010


The viruses within -- and what keeps them there

Researchers found that a master regulatory protein called KAP1 orchestrates silencing of viral sequences, preventing harm to the host. The discovery provides insights into evolution and suggests potential new therapies for fighting AIDS.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·DateJan 13, 2010
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.

Dual role for immune cells in the brain

Researchers found that macrophages along the blood-brain barrier can either activate the brain's stress response machinery or prevent excessive inflammation. This discovery may pave the way for novel therapies for neurodegenerative diseases.

SourceSalk Institute·JournalNeuron·DateJan 13, 2010

Unlocking the mystery of the duck-billed platypus' venom

Researchers have identified a dozen protein building blocks in the venom of male platypuses, which cause excruciating pain. The study's findings suggest that one of these substances, Heptapeptide 1, triggers pain by interacting with nerve cell receptors.

SourceAmerican Chemical Society·JournalJournal of the American Chemical Society·DateJan 13, 2010

Thyme oil can inhibit COX2 and suppress inflammation

Researchers found six essential oils, including thyme, can inhibit the COX-2 enzyme, which contributes to inflammation. Thyme oil proved most active, reducing COX-2 levels by almost 75% with carvacrol as the primary active agent.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalJournal of Lipid Research·DateJan 13, 2010

CSHL scientists use next-gen sequencing to rapidly discover genetic cause of devastating disorder

Scientists from CSHL and Hebrew University Medical Center use next-gen sequencing to rapidly identify the mutated TMEM216 gene as the cause of Joubert Syndrome. The study reveals a high carrier rate of 1:92 among Ashkenazi Jews, making it possible to prevent the disease through premarital genetic screening.

SourceCold Spring Harbor Laboratory·JournalAmerican Journal of Human Genetics·DateJan 13, 2010
Apple iPhone 17 Pro

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

UK inmates comfortable with diversity

Research found that UK prisoners formed groups along ethnic lines for protection and shared interests, yet experienced racist tensions. Prisons lacked gangs, but minority ethnic prisoners faced harsh treatment from staff, sparking fears of institutional racism.

SourceEconomic & Social Research Council·DateJan 13, 2010

MIT research finds 'noisiest' neurons persist in the adult brain

Researchers at MIT have found that cells with higher activity levels are more likely to survive and integrate into the adult brain. This discovery is significant for cell replacement therapies used to treat neurological diseases like Parkinson's and Alzheimer's.

SourceMassachusetts Institute of Technology·JournalNeuron·DateJan 13, 2010

China stakes claim as global center for scientific research

China has made significant strides in scientific research, surpassing other nations in chemistry patent applications and publications. The country published 67,000 patent applications in 2009, more than any other nation, and saw a quadrupling of scientific papers with Chinese authors.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateJan 13, 2010

Yale team finds neural thermostat keeps brain running efficiently

A Yale team found that inhibitory neurons in the visual cortex control how excitatory cells interact, allowing the brain to process complex scenes efficiently. The 'iceberg phenomenon' shows that only essential information is processed, while non-essential stimuli are suppressed.

SourceYale University·JournalNeuron·DateJan 13, 2010
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.

European Research Council grant for neuroscience research

Zachary Mainen, coordinator of the Champalimaud Neuroscience Programme, receives €2.3M ERC grant to study serotonin's function in the brain and its impact on behaviours such as eating and sleeping. The grant aims to develop novel tools for making definitive tests of serotonin function.

SourceInstituto Gulbenkian de Ciencia·DateJan 13, 2010

Gender-biased heart damage

Researchers found that male hormones can help vessels around the heart regenerate, potentially explaining why men experience worse heart attacks earlier in life. Androgen replacement therapy might one day be used to treat men at risk for heart disease.

SourceRockefeller University Press·JournalJournal of Experimental Medicine·DateJan 13, 2010

NASA satellite sees Tropical Storm Edzani becoming extra-tropical

Tropical Storm Edzani is undergoing significant changes, with its rainfall confined to the southeast and a fully exposed low-level circulation center. The storm is elongating due to strong westerly winds, eventually transitioning into an extra-tropical storm and moving safely away from land areas.

SourceNASA/Goddard Space Flight Center·DateJan 13, 2010

Migraine and depression may share genetic component

Research suggests that migraines and depression share a common genetic link, particularly in those with migraine with aura. The study found that 56% of migraine traits are explained by genetic factors, with heritability scores indicating a shared genetic pathway between the two disorders.

SourceAmerican Academy of Neurology·JournalNeurology·DateJan 13, 2010

Nursing students twice as likely to smoke as the general population

A recent survey of over 800 new nursing students in Italy found that more than half were current or former smokers, with 44% still smoking and 12% being former smokers. The study also highlighted the significant influence of family members on smoking habits, with three-quarters of smoking students having at least one parent who smoked.

SourceWiley·JournalJournal of Advanced Nursing·DateJan 13, 2010
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.

NASA Goddard's Drake Deming wins astrophysics award

Drake Deming, a Senior Scientist at NASA's Goddard Space Flight Center, has won the prestigious Beatrice M. Tinsley Prize for his pioneering work detecting thermal infrared emission from transiting extrasolar planets using the Spitzer Space Telescope. The prize recognizes Deming's outstanding research contribution to astronomy and astr...

SourceNASA/Goddard Space Flight Center·DateJan 13, 2010

Caltech astronomer spots second smallest exoplanet

Astronomers from Caltech and other institutions have detected an extrasolar planet, HD 156668b, with a mass just four times that of Earth. The discovery highlights the potential for finding Earth-mass planets in the habitable zone, making it a promising lead in the search for life beyond our solar system.

SourceCalifornia Institute of Technology·DateJan 13, 2010

Dog genome researchers track paw prints of selective breeding

A recent study identified 155 regions on the canine genome influenced by selective breeding. These regions contain 1,630 known or predicted protein-coding genes linked to physical and behavioral variations such as size, coat color, and behavior.

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·DateJan 13, 2010

Stress triggers tumor formation, Yale researchers find

Yale researchers found that cancer-causing mutations can cooperate to promote tumor development even when located in different cells within a tissue. Stress conditions like wounds can trigger cancer formation by activating signaling process JNK.

SourceYale University·JournalNature·DateJan 13, 2010
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.

Self-control is contagious, study finds

Researchers found that watching or thinking about someone with good self-control makes others more likely to exert self-control. Conversely, people with bad self-control influence others negatively. The effect of self-control is so powerful that subliminal exposure can change behavior.

SourceUniversity of Georgia·JournalPersonality and Social Psychology Bulletin·DateJan 13, 2010

USDA scientists, collaborators sequence soybean genome

Researchers have sequenced 85% of the soybean genome, providing critical information to improve crop yields, disease resistance, and nutritional content. The discovery includes genes conferring resistance to a devastating disease and mutations that enhance digestibility and phosphorus absorption.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalNature·DateJan 13, 2010

Key piece of puzzle sheds light on function of ribosomes

Researchers at Uppsala University shed light on ribosome function by detailing chemical reaction mechanisms, identifying key role of water molecules in catalysis. The findings suggest a few components induce the catalytic effect, with surrounding structure holding them in place.

SourceUppsala University·JournalProceedings of the National Academy of Sciences·DateJan 13, 2010
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.

WHOI receives $8.1 million grant to construct new laboratory

The Woods Hole Oceanographic Institution will receive a $8.1 million grant to construct the Laboratory for Ocean Sensors and Observing Systems, enabling fabrication and maintenance of new ocean observing systems. The facility will support various ongoing projects, including the Ocean Observatories Initiative.

SourceWoods Hole Oceanographic Institution·DateJan 13, 2010

Soybean genome analysis reveals pathways for improving biodiesel

The soybean genome sequence provides a parts list of what it takes to make a soybean plant, identifying genes essential for agronomic traits like protein and oil content. The analysis also revealed targets for modifying output to bolster biodiesel production.

SourceDOE/Joint Genome Institute·JournalNature·DateJan 13, 2010

Research may help states address unfunded retiree liabilities

Research from North Carolina State University identifies trends among states with the biggest funding problems, offering insights into addressing unfunded liabilities. States with larger workforces per capita tend to have higher unfunded liabilities, while poor pension management also contributes to the issue.

SourceNorth Carolina State University·JournalPublic Administration Review·DateJan 13, 2010

TGen-Scottsdale Healthcare researchers make breakthrough in lung cancer

Researchers at TGen Clinical Research Services have discovered three microRNAs that can predict patients with small-cell lung cancer who will be resistant to first-line chemotherapy. These biomarkers, miR-92a-2*, miR-147, and miR-574-5p, were identified through a study of 34 patients with varying stages of SCLC.

SourceThe Translational Genomics Research Institute·DateJan 13, 2010
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.

Genome sequencing speeds ability to improve soybeans

Scientists sequenced the soybean genome to understand its genes and improve characteristics. However, duplicated genes present a challenge, with many copies shuffled, making prediction difficult. Genome sequencing eliminates this issue, enabling faster research advancements.

SourcePurdue University·JournalNature·DateJan 13, 2010

Polar bear droppings advance superbug debate

Researchers found scant evidence of antibiotic resistance genes in isolated polar bears, contradicting previous findings in other animals. The study suggests that the spread of antibiotic resistance may be caused by human contact, rather than natural occurrence.

SourceBMC (BioMed Central)·JournalBMC Microbiology·DateJan 13, 2010

New research resolves conflict in theory of how galaxies form

A team of researchers has resolved a long-standing conflict in the theory of galaxy formation, using millions of hours of supercomputer simulations. The study reveals that cosmic explosions, such as supernovas, play a key role in preventing the formation of stars and dark matter at the centers of dwarf galaxies.

SourceUniversity of Washington·JournalNature·DateJan 13, 2010
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.

UCSF study finds African-Americans bear disproportionate burden of smoking costs in California

A new analysis by UCSF researchers found that African Americans account for over 8% of smoking-attributable healthcare expenditures and 13% of smoking-attributable mortality costs in California. The study aimed to provide an objective picture of the economic burden of tobacco use on African American Californians.

SourceUniversity of California - San Francisco·JournalAmerican Journal of Public Health·DateJan 13, 2010

Duke scientists map brain pathway for vocal learning

Researchers at Duke University Medical Center have identified neurons in the songbird brain that convey auditory feedback needed to learn a song. The study lays the groundwork for improving human speech in individuals with damaged auditory nerves, and explores how the brain compares performance-related feedback to a sensory model.

SourceDuke University Medical Center·JournalNeuron·DateJan 13, 2010

Autism Speaks again calls upon the federal government

A new study indicates a decline in biomedical research funding, sparking concerns about the growing national autism public health crisis. Autism Speaks calls for increased funding to explore factors contributing to the increase in autism prevalence and to develop more effective treatments.

SourceAutism Speaks·JournalJAMA·DateJan 13, 2010

Seeing the forest through the trees and seeing the trees through the leaves

A recent study by Cornell University scientists reveals that trees have evolved to maximize photosynthetic capacity through a decrease in specific leaf area as they increase in size. This change is attributed to a developmental shift towards short-shoots, which produce leaves with smaller specific leaf areas than long-shoots.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateJan 13, 2010
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.

'Greenroads' rates sustainable road projects

Greenroads aims to recognize companies using sustainable methods, provide ideas for greener practices, and offer incentives for environmentally friendly roads. The system allows up to 118 points for voluntary actions, including noise mitigation, storm-water management, and waste reduction.

SourceUniversity of Washington·DateJan 13, 2010

Sepsis campaign improving treatment of major killer

The Surviving Sepsis Campaign has been shown to improve sepsis treatment, with a significant increase in compliance with performance measures and a decline in hospital mortality rates from 37% to 30.8%. The campaign's updated guidelines are endorsed by 18 professional societies and hospital networks globally.

SourceSociety of Critical Care Medicine·JournalCritical Care Medicine·DateJan 13, 2010

Lean green food -- sustainable food production

LeanGreenFood, an EU-funded network, educates 17 scientists from six countries on sustainable food production. The focus is on improving yields, reducing water and energy consumption, and lowering chemical use through the development of enzyme-based technology.

SourceUniversity of Copenhagen·DateJan 13, 2010
Celestron NexStar 8SE Computerized Telescope

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

Scent of a woman: Men's testosterone responses to olfactory ovulation cues

A new study published in Psychological Science found that men's testosterone levels increase when exposed to scents from women who are ovulating. The research suggests that this response may promote mating-related behavior in males. This study provides direct evidence of the influence of olfactory cues on male biological responses.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJan 13, 2010

UI astronomers capture first-of-kind image at distant star

Researchers have made the first direct radio image of a stellar coronal loop at star Algol, which may aid in understanding how space weather affects Earth. The coronal loop is roughly similar to those at the sun but with a more powerful magnetic field and larger size due to tidal effects.

SourceUniversity of Iowa·DateJan 13, 2010

Young men consuming an alarming amount of salt

A study by the University of Gothenburg found that young Swedish men are consuming at least double the recommended daily amount of salt. The high salt intake may lead to high blood pressure, a major risk factor for heart problems and stroke, although no direct connection was detected in the study.

SourceUniversity of Gothenburg·JournalPublic Health Nutrition·DateJan 13, 2010
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.

Toward a less expensive version of the anti-flu drug Tamiflu

Researchers at ACS' Organic Letters journal have created a more affordable version of the anti-flu drug Tamiflu by leveraging D-ribose, a naturally occurring sugar. The new process could significantly reduce production costs, making it easier to distribute the medication globally.

SourceAmerican Chemical Society·JournalOrganic Letters·DateJan 13, 2010

Giant magnetic loop sweeps through space between stellar pair

Astronomers have found a giant magnetic loop stretching from one star to the other in the Algol binary system. The discovery was made using an international collection of radio telescopes and helps explain previous observations at X-ray and radio wavelengths.

SourceNational Radio Astronomy Observatory·JournalNature·DateJan 13, 2010

Scientists put psoriasis drugs to the test

A new international study has found that ustekinumab is more effective than etanercept in treating moderate to severe psoriasis. Ustekinumab showed a 75% improvement in symptoms in 67.5% and 73.8% of patients, compared to 56.8% for etanercept.

SourceUniversity of Manchester·JournalNew England Journal of Medicine·DateJan 13, 2010

Might not be a tomorrow: Youth anticipate early death

A study by Georgia State University researchers found that young offenders' perception of an early death fuels their engagement in crime and violence. The study suggests that the prospect of a shortened life expectancy encourages young people to focus on immediate rewards, including crime.

SourceGeorgia State University·JournalCriminology·DateJan 13, 2010
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.

Mutations in different cells cooperate to set the stage for cancer

Researchers discovered that distinct cancer-causing mutations in neighboring cells can cooperate to promote tumorigenesis. The study found that the genetic cooperation occurs through a signaling pathway that activates cellular proliferation and stress response pathways.

SourceHoward Hughes Medical Institute·JournalNature·DateJan 13, 2010

Researchers tackle ductal carcinoma in situ and its many unanswered questions

A review of DCIS research highlights the need for accurate identification of patient subsets and modification of treatment guidelines to focus on high-risk lesions. Researchers also emphasize the importance of biomarkers in determining risk status, allowing for targeted aggressive treatment.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJan 13, 2010

Chimp and human Y chromosomes evolving faster than expected

The human and chimpanzee Y chromosomes differ significantly in structure and gene content, with the chimp Y having lost up to half of its human counterpart's genes. This rapid evolution is thought to be driven by intense sperm competition between males, leading to the favoring of advantageous sperm production genes over detrimental ones.

SourceWhitehead Institute for Biomedical Research·JournalNature·DateJan 13, 2010
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.