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Science News Archive November 2017 - Page 25


Page 25 of 42

Zipping DNA

Researchers at ETH Zurich have developed a method to compress and decompress DNA, enabling the efficient transfer of large amounts of genetic information into cells. This innovation has potential applications in synthetic biology, biotechnology, and cancer research, improving diagnosis accuracy and treatment outcomes.

SourceETH Zurich·JournalNature Nanotechnology·DateNov 13, 2017

Increased risk of vascular dementia in heart attack survivors

A registry-based study from Aarhus University found that heart attack survivors are at a higher risk of developing vascular dementia, which is caused by vascular damage in the brain. The risk remains elevated for up to 35 years after the heart attack, with patients who underwent bypass surgery showing a fourfold increased risk.

SourceAarhus University·JournalCirculation·DateNov 13, 2017

California land use and climate change mitigation

A study suggests that improving California's land use could negate up to 147 million metric tons of carbon dioxide emissions by 2030. This approach could contribute substantially to the state's climate mitigation goals, with potential benefits for ecosystem management and conservation.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 13, 2017

Gene prompts cells to store fat, fueling obesity

A genetic variant in ankyrin-B gene causes cells to store more fat, leading to obesity. This variant is carried by millions of Americans and can be identified through family history and physiological traits.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateNov 13, 2017
Apple iPhone 17 Pro

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

Ancient life form discovered in remote Tasmanian valley

A team of researchers has uncovered rare, living stromatolites in a remote Tasmanian valley, revealing a unique ecosystem that thrived due to mineral-rich groundwater. The discovery is significant as stromatolites are rare globally and not previously known from Tasmania except as ancient fossils.

SourceUniversity of Tasmania·JournalScientific Reports·DateNov 13, 2017

Texas' odds of Harvey-scale rainfall to increase by end of century

A new MIT study finds that Texas will face a significant increase in the annual risk of extreme rainfall, rising from 1% to 18% by the end of the century. This rise is attributed to climate change, which is expected to shift the odds in terms of high-intensity storms around the world.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateNov 13, 2017

The hidden cost of crime: Tanzanians pay as much as 7 percent to protect money from theft

In Tanzania, consumers are willing to pay up to 7% for mobile money services that provide theft insurance against street robberies and home burglaries. The study found that people prefer to store cash in mobile wallets for short periods, with costs ranging from 1.52% per kilometer or 0.8% per day.

SourceInstitute for Operations Research and the Management Sciences·JournalMarketing Science·DateNov 13, 2017

Urban trees are growing faster worldwide

A global study reveals that urban trees have been growing faster than rural trees since the 1960s, with an average growth rate of 20% across all climate zones. The heat island effect is believed to be the primary driver of this acceleration, leading to increased photosynthetic activity and prolonged vegetation periods.

SourceTechnical University of Munich (TUM)·JournalScientific Reports·DateNov 13, 2017
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.

More adults use marijuana in states where it is legal

Daily marijuana use and past month rates rose for men and women aged 26 and older in states with medical marijuana laws. Daily use was generally higher among individuals aged 18-25 compared to those ages 12-17 and 26 or older, regardless of state laws.

SourceColumbia University's Mailman School of Public Health·JournalPrevention Science·DateNov 13, 2017
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.

In the fight against viral infection, spelling counts

Researchers find that certain spellings in HIV and other viruses' genetic codes are critical for replication and infection. The discovery highlights a potential avenue for vaccine development by exploiting this variation.

SourceRockefeller University·JournalNature·DateNov 13, 2017

High-efficiency building bloopers revealed through WSU led occupant studies

A study by WSU researchers found that occupants often waste energy due to poor understanding of building systems. The researchers designed more efficient buildings with occupants' needs in mind, incorporating features such as signaling systems and feedback mechanisms to reduce energy consumption.

SourceWashington State University·JournalEnergy Research & Social Science·DateNov 13, 2017

Dry eye sufferers will soon have a drug-free solution

A new neurostimulator device inserted into the nose has shown significant relief for people suffering from dry eyes, increasing tear production and producing a complete tear. Researchers tested 97 patients with moderate to severe dry eye and reported no side effects.

SourceAmerican Academy of Ophthalmology·DateNov 13, 2017
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.

Some Latinos believe science may negatively impact their kids' faith

A recent study by Rice University sociologists found that over a third of Latino respondents believe science education may negatively impact their children's faith. The study aimed to understand the relationship between STEM education and religious faith among blacks and Latinos, two groups with high levels of religiosity.

SourceRice University·JournalReview of Religious Research·DateNov 13, 2017

VIMS study identifies tipping point for oyster restoration

A VIMS study identifies a critical height threshold for oyster restoration: reefs built 0.3 meters or higher above the seafloor develop into healthy ecosystems with high oyster densities. Lower reefs are quickly buried by sediment, while those that reach this height benefit from increased water flow and reduced sedimentation.

SourceVirginia Institute of Marine Science·JournalMarine Ecology Progress Series·DateNov 13, 2017

Regenerative medicine in society: Interdisciplinary perspectives

The new Special Focus Issue explores key perspectives on regenerative medicine innovation, including regulatory developments and challenges to international harmonization. The issue aims to facilitate discussions among stakeholders, ensuring safe, ethical, and regulated translation of research from bench to bedside.

SourceFuture Science Group·JournalRegenerative Medicine·DateNov 13, 2017
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.

Biocatalysts are a bridge to greener, more powerful chemistry

Researchers have developed enzymes that can perform complex chemical reactions with improved selectivity and efficiency. These catalysts show promise for building molecules with important biological activity and reducing waste in the process. The discovery opens up new practices for chemists to create more powerful tools.

SourceUniversity of Michigan·JournalNature Chemistry·DateNov 13, 2017

How to manage forest pests in the Anthropocene? Bring theory

A set of fundamental tactics can be used to combat the challenges brought on by pests in rapidly changing forests. Eight general tactics for improved pest management include growth of practical theory, improved biosecurity, and management plans that anticipate continuing change.

SourceDartmouth College·JournalCanadian Journal of Forest Research·DateNov 13, 2017
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.

Previous patient-doctor relationship influences outcomes

Hospitalized adults with prior experience with their primary care physician (PCP) had better long-term outcomes than those without, according to a study published in JAMA Internal Medicine. Patients cared for by their PCPs were more likely to be discharged home and had lower 30-day mortality rates.

SourceBeth Israel Deaconess Medical Center·JournalJAMA Internal Medicine·DateNov 13, 2017

Global carbon dioxide emissions projected to rise after three stable years

The 2017 Global Carbon Budget projects a 2% increase in global carbon dioxide emissions from fossil fuels and industry, ending three years of stability. Chinese emissions are expected to rise 3.5%, while US emissions decline by 0.4%. The growth is attributed to the return to growth in Chinese emissions and stronger industrial production.

SourceFuture Earth·JournalNature Climate Change·DateNov 13, 2017

Researchers identify hormone for treating sepsis

A UC Riverside-led research team has identified the human protein resistin as a potential treatment for sepsis, boosting survival rates to 100% in a mouse model. By binding to TLR4, resistin blocks inflammatory responses and minimizes immune system overdrive.

SourceUniversity of California - Riverside·JournalProceedings of the National Academy of Sciences·DateNov 13, 2017
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.

Another reason to exercise: Protecting your sight

Regular physical activity can significantly reduce the risk of developing glaucoma, with study participants showing a 73% lower risk compared to less active individuals. Exercise has been found to impact eye pressure, a major risk factor for the disease, although more research is needed to confirm the exact relationship.

SourceAmerican Academy of Ophthalmology·DateNov 13, 2017

Researchers put new spin on old technique to engineer better absorptive materials

A team of University of Illinois bioengineers has developed a new technique to characterize metal organic frameworks (MOFs) using infrared chemical imaging. This method allows for non-destructive analysis and provides detailed information on the structure and chemistry of MOFs, enabling better detection and utilization of these materials.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalThe Journal of Physical Chemistry Letters·DateNov 13, 2017

Urbanization may have a positive effect on the soils

A study by RUDN University scientists suggests that urbanization can increase soil organic carbon stocks, particularly on less fertile soils. This process could help mitigate the impacts of climate change.

SourceRUDN University·JournalJournal of Cleaner Production·DateNov 13, 2017

The unbelievable speed of electron emission from an atom

The study confirms years of theoretical work and shows attophysics is ready to tackle complex molecules. Researchers used extremely short laser pulses and sensitive detection to distinguish between electrons with minimal speed difference.

SourceLund University·JournalScience·DateNov 13, 2017
Celestron NexStar 8SE Computerized Telescope

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

How #ScientistsWarningtoHumanity signed up 15,000 scientists

Over 15,000 scientists from 184 countries co-signed a warning letter highlighting the need for urgent action to avoid substantial and irreversible harm to the Earth. The letter notes that only one of nine areas has improved, including ozone depletion, forest loss, climate change, and human population growth.

SourceUniversity of Sydney·JournalBioScience·DateNov 13, 2017

Parental Medicaid expansion translates into preventive care for their children

A recent analysis by the University of Pittsburgh Graduate School of Public Health found that when low-income parents enroll in Medicaid, their children have a significantly higher chance of receiving annual well child visits. These visits are crucial for growth and development, immunizations, and proper nutrition and child behaviors.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalPEDIATRICS·DateNov 13, 2017

Taste loss and recovery following cancer drug treatment

Mice treated with sonidegib exhibited significant taste bud and nerve response restoration within 14 days of discontinuing treatment. The study highlights the potential for recovery from severe taste loss following cancer drug treatment.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 13, 2017
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.

Record high CO2 emissions delay global peak

Global carbon emissions have surged in 2017 due to increased coal use in China and the US. The country's emissions are projected to grow by 3.5%, reversing two years of decline. This unexpected growth delays efforts to reach a global peak, with CO2 levels expected to rise to a record high.

SourceUniversity of East Anglia·JournalNature Climate Change·DateNov 13, 2017

Simple water test could prevent crippling bone disease

A simple colour-changing test developed by researchers at the University of Bath can detect high levels of fluoride in drinking water, which can cause crippling skeletal fluorosis. The test aims to be low cost, rapid, and robust, allowing anyone to perform a test without scientific training.

SourceUniversity of Bath·JournalChemical Communications·DateNov 13, 2017

Exercise increases brain size, new research finds

A new Australian-led study found that aerobic exercise increases the size of the left region of the hippocampus, a critical area for memory and other brain functions. The study showed significant benefits of exercise on brain health, with implications for preventing age-related neurodegenerative disorders.

SourceNICM Health Research Institute, Western Sydney University·JournalNeuroImage·DateNov 13, 2017
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.

Functional impairment in middle age often leads to further decline

A study by researchers at UC San Francisco found that nearly 40% of middle-aged adults with functional impairment experience further decline or death within 10 years. Functional impairment is more common than previously thought, affecting over 1 in 5 adults before age 64.

SourceUniversity of California - San Francisco·JournalAnnals of Internal Medicine·DateNov 13, 2017

Archaeologists find earliest evidence of winemaking

Researchers from University of Toronto and Georgian National Museum discover 8,000-year-old wine production in ancient Middle East, dating back to early Neolithic period. The discovery confirms the use of domesticated grapes (Vitis vinifera) for winemaking, pushing back the origin of practice by 600-1,000 years.

SourceUniversity of Toronto·JournalProceedings of the National Academy of Sciences·DateNov 13, 2017

Genetic engineering mechanism visualized

A team of scientists has visualized the dynamics of the CRISPR-Cas9 complex using high-speed atomic force microscopy. The study provides unprecedented insights into the CRISPR-Cas9-mediated DNA cleavage mechanism, highlighting its potential for gene editing.

SourceKanazawa University·JournalNature Communications·DateNov 13, 2017
Fluke 87V Industrial Digital Multimeter

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

How bacteria get their groove: Mechanism behind flagellar motility

Researchers elucidate torque generation mechanism of flagellar motor in Bacillus subtilis using high-speed atomic force microscopy and mutational analysis. The study finds that sodium ions drive the assembly and activation of flagellar motor, regardless of its composition.

SourceOsaka University·JournalScience Advances·DateNov 13, 2017

Study on integrative medicine in military health finds extensive offerings, widespread use

A new study reveals that most military treatment facilities offer at least one type of complementary and alternative medicine, with an estimated 76,000 patients using integrative health services each month. The most commonly used modalities are acupuncture and stress management/relaxation therapy for pain and mental health conditions.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalThe Journal of Alternative and Complementary Medicine·DateNov 13, 2017

Wouldn't it be great if eyedrops didn't spill out of your eyes?

A new microdose delivery system achieved comparable treatment effect to conventional eyedrops while delivering less than four times the amount of drug, reducing eye exposure by 75-80%. Microdosing reduced side effects, leading to gentler treatment for patients with glaucoma and other eye diseases.

SourceAmerican Academy of Ophthalmology·DateNov 13, 2017

Mirror image: Researchers create higher-quality pictures of biospecimens

Scientists from NIH and University of Chicago developed a new microscope that produces high-resolution images at high speed, improving efficiency and resolution. The use of mirrored coverslips allows for the capture of reflected images, removing unwanted background and increasing light collection.

SourceNIH/National Institute of Biomedical Imaging & Bioengineering·JournalNature Communications·DateNov 13, 2017
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.

Why head and face pain causes more suffering

Scientists discovered that sensory neurons in the head and face are directly connected to the brain's emotional pathways, explaining why people experience greater fear and emotional suffering from these types of pain. This finding may lead to more effective treatments for chronic headaches and neuropathic face pain.

SourceDuke University·JournalNature Neuroscience·DateNov 13, 2017

Supercomputing speeds up deep learning training

Researchers efficiently used Stampede2's 1024 Skylake processors to complete a 100-epoch ImageNet training with AlexNet in 11 minutes, setting the fastest time recorded to date. The Layer-Wise Adaptive Rate Scaling (LARS) algorithm enabled this breakthrough, allowing for larger-than-ever batch sizes and adaptive learning rate adjustments.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·DateNov 13, 2017

Doctors and patients make more decisions together

A study by Northwestern University and Harvard University found that shared decision-making between doctors and patients increased 14% from 2002 to 2014, resulting in better-informed patients who opt for fewer marginal treatments.

SourceNorthwestern University·JournalThe Annals of Family Medicine·DateNov 13, 2017
Meta Quest 3 512GB

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

NASA's James Webb Space Telescope early science observations revealed

The James Webb Space Telescope has released early data from its first five months of operations, targeting Jupiter and its moons, organic molecule-forming infant stars, supermassive black holes, and baby galaxies. The observations will explore exoplanet atmospheres using infrared spectrographs and peer into the distant universe to exam...

SourceNASA/Goddard Space Flight Center·DateNov 13, 2017