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Science News Archive February 2017


Page 14 of 37

Switched-on DNA

An ASU-led team has developed the first controllable DNA switch, allowing for reversible control of electricity flow within a single molecule. The modified DNA helix can conduct electricity and is reversibly controlled using an anthraquinone group.

Bringing evidence to health screening debates

Constantine Gatsonis, a leading researcher on cancer screening studies, emphasizes the importance of rigorously produced evidence in health screenings. His work has shed light on the accuracy, cost-effectiveness, and impact of various screening methods, including digital mammography and tomosynthesis.

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.

Stanford researcher examines unsung hero of science: Assessment

Katharine Mach, a senior research scientist at Stanford's School of Earth, Energy & Environmental Sciences, discussed the importance of assessment in climate science. She highlighted the challenges of navigating complex science policy territory and the need for tact and negotiation among experts and decision-makers.

LIGO veteran to give talk about gravitational waves

Caltech's Stan Whitcomb, a key figure in LIGO's development, will share insights into the project's groundbreaking discovery. He'll discuss how the detection confirmed Einstein's general theory of relativity and opened up new avenues for astronomy. The talk also touches on the technical challenges faced by LIGO detectors.

'Alternative facts' not just in politics and media

A Michigan State University scholar is warning about conflicts of interest in research, advising readers to apply everyday skepticism and check reputable scientific societies for guidance. Case studies show groups with financial interests have deliberately withheld or distorted information to achieve desired results.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Mapping a path to better oral health

Researcher Brenda Heaton found that social networks play an overlooked role in oral health care, influencing behavior and disease prevention. She aims to use network maps to introduce health resources into communities, changing long-term behaviors and preventing tooth decay through prevention.

Bee decline threatens US crop production

The study reveals wild bees are disappearing in US farmlands, including California, the Midwest and Mississippi Valley, threatening crop production. The 'trouble zone' counties face a potential mismatch between rising demand for pollination and falling supply of wild bees, highlighting the need for habitat restoration efforts.

Save the bees? There's an app for that

A new mobile app developed by University of Vermont researchers aims to help farmers protect endangered bees by calculating crop productivity and pollination benefits. The app allows users to explore land management scenarios and virtually test how bee-friendly decisions would improve their business.

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.

Researcher unveils tool for a cleaner long island sound

A new model pinpoints sources of nitrogen pollution in Long Island Sound, helping municipalities identify actions to alleviate it. The tool, developed by UConn ecologist Jamie Vaudrey, shows the impact of different actions on nitrogen runoff and provides a detailed analysis of 116 estuaries, rivers, and harbors.

Gene sequences reveal secrets of symbiosis

Researchers sequenced three Symbiodinium gene sequences to show their genomes have features promoting a prosperous symbiosis with corals. The study reveals that Symbiodinium has evolved bicarbonate and ammonium transporters to harvest essential nutrients for photosynthesis and growth.

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.

Communications expert explains how science should respond to fake news

Science communications expert Dominique Brossard discusses the challenges of combating fake news in science, particularly on social media. She advocates for improved communication between scientists and journalists, as well as quality control measures to prevent misinterpretation of studies.

Examining exploding stars through the atomic nucleus

Scientists at Michigan State University are studying the atomic nucleus of exploding stars to gain insights into their evolution and the creation of elements in our universe. They have made breakthroughs in understanding the production of rare isotopes like aluminum-26, which could shed light on the amount of water on Earth.

The secret of scientists who impact policy

A recent study by University of Vermont researchers reveals that consulting stakeholders is crucial for environmental scholars to impact policy. The study found that stakeholder engagement improves policymakers' perception of scientific knowledge and makes research more legitimate.

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.

Invitation: Global warming to cause dramatic changes in fisheries

New research finds that effective fishing reforms can significantly increase the world's fish population and profits despite climate change impacts. The study identifies potential losses of fish species due to warming, primarily affecting developing regions heavily reliant on seafood for nutrition.

GA4GH at AAAS 2017

At AAAS 2017, the Global Alliance for Genomics and Health (GA4GH) explores local governance solutions for global data sharing. The session discusses policies to promote data sharing, including frameworks such as the Regulatory and Ethics Working Group's Framework for Responsible Sharing of Genomic and Health-Related Data.

Maize study finds genes that help crops adapt to change

A new study has identified over 1,000 genes in maize that enable crops to adapt to different latitudes and elevations. The researchers also found a strong link between flowering time and other traits, which could help speed up breeding efforts for maize under global climate change.

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.

Researcher examines premature death in delinquent youth

A recent study by Northwestern University researcher Linda Teplin found alarming premature mortality rates among delinquent youth, with 111 deaths recorded 16 years after detention. The study revealed significant risk factors in adolescence, including drug dealing and gang membership, which increased the likelihood of later mortality.

Scholar to talk about role of science in law

Shari Diamond, a renowned expert on jury process and legal decision-making, will discuss the importance of involving scientists in the legal system. Her presentation highlights insights from an American Academy of Arts and Sciences study that examines the barriers to effective engagement between science and law.

Reboot Gitmo for science

Scientists seek to convert the notorious U.S. military prison at Guantanamo Bay into a leading marine research facility and peaceful sanctuary for threatened Cuban species. A 'green' Gitmo proposal, proposed by University of Vermont biologist Joe Roman, offers a potential solution to the long-standing impasse in U.S.-Cuba relations.

Celestron NexStar 8SE Computerized Telescope

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

Is the human brain hardwired to appreciate poetry?

Researchers found that participants' brains responded positively to sentences conforming to traditional Welsh poetry rules, even when they couldn't explicitly identify the correct form. This suggests an innate appreciation for poetic structure in the human brain.

NASA examines Ex-Tropical Cyclone Dineo's rainfall

NASA used its Terra satellite to track the remnants of Tropical Cyclone Dineo, which generated heavy rainfall in southern Mozambique. The Global Precipitation Measurement mission captured detailed images of the storm's intense rain bands, revealing precipitation rates over 86 mm per hour.

Measuring pain: SLU scientist tests possible biomarkers

A Saint Louis University researcher is using a $363,000 grant to test two molecules as potential biomarkers for four debilitating health conditions: chemotherapy-induced peripheral neuropathy, endometriosis, interstitial cystitis, and vulvodynia. The goal is to develop new painkillers that target these pathways.

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.

UTMB scientists uncover how Zika virus causes microcephaly

Researchers at UTMB have discovered that the Asian lineage of the Zika virus halts brain stem cell proliferation and hinders their ability to develop into brain nerve cells. This finding provides insight into the mechanisms behind Zika-induced microcephaly, a serious birth defect characterized by small brain and head development.

Who benefits from praise?

A study published by University of Konstanz researchers found that praise from peers can motivate students to perform better, particularly those who are already high-achievers. However, this positive effect is limited for students whose grades fall just below the top threshold.

DNA computer brings 'intelligent drugs' a step closer

Researchers at Eindhoven University of Technology develop DNA computer capable of detecting several antibodies in blood and performing subsequent calculations. This system allows for controlled drug delivery into the bloodstream, a key step towards intelligent drugs with fewer side effects and lower costs.

From mice, clues to microbiome's influence on metabolic disease

A study published in Cell Reports found that genetic variation in mice shapes their gut microbiome, which regulates insulin secretion and contributes to the onset of metabolic disease. The researchers observed a correlation between specific bacteria in the microbiome and metabolic traits such as body weight and glucose levels.

Apple iPhone 17 Pro

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

Looking for the next leap in rechargeable batteries

Researchers created a new membrane that improves the cycle life of lithium-sulfur batteries by reducing the shuttling of dissolved polysulfides. The MCM layer preserves energy density without losing capacity over time, leading to 100% capacity retention and up to four times longer life compared to batteries without it.

Contact tracing, with indoor spraying, can curb dengue outbreak

A study led by Emory University found that contact tracing combined with targeted indoor residual spraying reduced dengue transmission by 86-96% during an outbreak in Cairns, Australia. This approach is more effective than traditional vaccines, which offer only 30-70% effectiveness.

Quality of life with those with advanced cancer improved through walking

A new study has found that walking can significantly improve the physical and emotional wellbeing of patients with advanced cancer. Researchers discovered that participants who walked for at least 30 minutes on alternate days reported improvements in their quality of life, including reduced weight and increased morale.

Researchers are first to see DNA 'blink'

Researchers have developed a new imaging technology that sees DNA naturally fluoresce, allowing for the study of individual biomolecules and global patterns of gene expression. This breakthrough could yield insights into cancer and other diseases.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Tumor suppressor promotes some acute myeloid leukemias, study reveals

Researchers at Rockefeller University Press discovered that tumor suppressor protein RUNX1 can promote AML in some cases, particularly when combined with mutant FLT3. Targeting RUNX1 may be an effective treatment for certain AML patients, potentially offering a promising therapeutic strategy.

Climate-driven permafrost thaw

Research reveals large-scale thaw-induced slope disturbances and mobilization of primary glacial sediments, leading to cascading effects on fluvial, lacustrine, and coastal systems. The study's findings have major implications for predicting northern landscape change and downstream impacts.

Satellite views storm system affecting Southern California

A large storm system is expected to bring heavy rain and strong winds to southern California, with rainfall totals reaching up to 6 inches in coastal areas and 10 inches in mountain locations. A second storm system is also heading towards the east, bringing flash flood risks and rapid runoff to fire-scarred areas.

Designing new materials from 'small' data

A Northwestern University and Los Alamos National Laboratory team developed a novel workflow to design new materials with useful electronic properties. By combining machine learning and density functional theory calculations, they created design guidelines for ferroelectricity and piezoelectricity.

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.

Second cause of hidden hearing loss identified

Researchers discovered that disruption in Schwann cells, which make myelin, leads to hidden hearing loss. This finding may help diagnose and treat the condition, which affects individuals exposed to high levels of noise. The discovery could lead to new treatments for hidden hearing loss.

New life for 19th-century plants

Brown University researchers demonstrate the efficacy of using herbaceous plant specimens from the late 19th century to track changes in heavy metal concentrations over time. Despite challenges, including mercury contamination, they show significant reductions in lead concentrations and highlight broader trends in heavy metal accumulat...

Wearing your brain on your sleeve

Rhoda Au's e-cognitive health initiative collects data from over 2,200 participants using wearable devices, smartphone apps, and in-home devices to detect subtle changes in daily behavior that may indicate cognitive decline. The goal is to identify early signs of Alzheimer's and dementia, improving diagnosis and treatment options.

Fluke 87V Industrial Digital Multimeter

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

Six-legged robots faster than nature-inspired gait

Researchers found a faster way for six-legged robots to move on flat ground without adhesive pads, dubbed the 'bipod' gait. This locomotor strategy is more efficient than traditional tripod gait used by insects.

System automatically detects cracks in nuclear power plants

A new automated system, called CRAQ, detects cracks in the steel components of nuclear power plants using an advanced algorithm and machine learning technique. The system outperformed two others under development, providing more robust results by processing multiple video frames and filtering out falsely detected cracks.

It's more than just climate change

A new study on environmental modeling reveals that climate change is only one of many inter-related threats to natural systems supporting human societies. The research argues that incorporating inequality, consumption, and population into climate models would provide a more realistic guide for policymaking and sustainable development.