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Science News Archive August 2016


Page 33 of 38

Duke team identifies new 'mega-complex' involved in cell signaling

Researchers at Duke Health have discovered a new paradigm for how G protein-coupled receptors activate cell signaling mechanisms. The formation of 'mega-plexes' explains how signals can continue to be sent after internalization, opening up possibilities for targeted drug therapies.

Fluke 87V Industrial Digital Multimeter

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

Melting ice sheet could expose frozen Cold War-era hazardous waste

Climate change is threatening to expose the hazardous waste from an abandoned US military base in Greenland's ice sheet, posing a significant environmental hazard. The site contains toxic pollutants and radioactive waste that could disrupt marine ecosystems if the ice melts.

Head partitions reduce stress in goats during feeding

Researchers found that head partitions reduced agonistic interactions and increased the use of feeding places among high-ranking animals. This led to a more relaxed feeding environment, improved sense of well-being, and increased nutritional status among goats.

Vaccine candidates protect against Zika virus in rhesus monkeys

Researchers have successfully tested two Zika vaccine candidates in nonhuman primates, demonstrating robust protection against both Brazilian and Puerto Rican strains of the virus. The findings support the advancement of these vaccine candidates to human trials, with phase 1 clinical testing expected to begin later this year.

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.

Blocking the migration of cancer cells to destroy them

Researchers at Université de Genève have developed an antibody that blocks the migration of cancer cells, preventing their spread and proliferation. The 'H225' antibody reduces cancerous cell transit into organs by over 50% and limits cell proliferation, offering a promising new therapeutic strategy against lymphoma.

Apple iPhone 17 Pro

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

Biofuel production technique could reduce cost, antibiotics use

A new metabolic engineering technique could significantly reduce the cost and environmental impact of producing liquid biofuels and biochemicals. The approach eliminates the need for antibiotics during biofuel production by giving producer microbes an advantage over unwanted invaders.

New research explores why people 'pass the buck'

A new study from Northeastern University found that people are more likely to delegate decisions when faced with choices affecting others, rather than themselves. Researchers discovered that individuals tend to avoid delegating unappealing choices on their own behalf, but will do so for someone else to minimize blame.

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.

Squash and science: A new pathway to STEM success

CityLab will partner with Fordham University and local squash organizations to provide engaging STEM experiences for students from diverse backgrounds. The program aims to develop a national model for informal precollege biomedical science education, inspiring careers in STEM fields.

Successful treatment of rare forms of obesity

Researchers at Charité - Universitätsmedizin Berlin have successfully treated two patients with rare genetic disorders causing severe hyperphagia. The new drug treatment, which targets the satiety center in the brain, resulted in significant weight loss and normalization of hunger feelings in both patients.

New finding helps understand feeding ecology of Pleistocene proboscideans

A recent study using cutting-edge 3D dental microwear texture analysis reveals that Sinomastodon and Stegodon were obligate browsers of foliages, while Elephas had a broader diet of grasses and trees. This complex process suggests that biotic factors played a more substantial role in Pleistocene faunal turnovers than previously thought.

Sea anemone proteins could repair damaged hearing

Researchers discovered a cocktail of sea anemone proteins that can repair damaged mouse cochlear hair cells in as little as 8 minutes. The study suggests that these proteins could potentially be used to treat patients with acute hearing loss.

Celestron NexStar 8SE Computerized Telescope

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

Research associates some pesticides with respiratory wheeze in farmers

A North Carolina State University study links several pesticides used by farmers with both allergic and non-allergic wheeze, a sensitive marker for early airway problems. The research, using data from the Agricultural Health Study, found 29 pesticides associated with at least one type of wheeze.

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.

Soaring metabolic rates place sea otter moms at risk

Researchers measured the resting metabolic rate of a lactating sea otter mother, revealing a significant increase in energy demands after giving birth. This finding suggests that sea otters may be accumulating fat reserves before milk production to cope with the high costs of rearing their young.

The force is strong with embryo cells

Scientists at EMBL discovered that cell contraction strength determines whether cells move inwards to form the embryo or stay on the surface to become the placenta. The study found that unequal inheritance of apical proteins affects cell contraction, leading to the formation of either embryonic or placental tissues.

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.

Better contrast agents based on nanoparticles

Scientists at the University of Basel have created nanoparticles that can serve as efficient contrast agents for magnetic resonance imaging (MRI). These smart nanoparticles produce significantly more contrast than traditional contrast agents and respond to specific environments.

Scientists keep a molecule from moving inside nerve cells to prevent cell death

A groundbreaking study found that keeping a specific RNA binding protein, TDP-43, from moving inside nerve cells can prevent cell death and disease progression in ALS and other neurodegenerative disorders. The researchers developed small proteins to block the protein's localization, preventing toxicity and disease progression in mice.

Perpetual 'ice water': Stable solid-liquid state revealed in nanoparticles

Researchers at Duke University have created gallium nanoparticles with a unique phase coexistence phenomenon, where the particle core is solid while the outer layer remains liquid. This discovery could lead to breakthroughs in nanotechnology applications, including ultraviolet sensors and molecular sensing devices.

Sprinkling of neural dust opens door to electroceuticals

Researchers at UC Berkeley have developed dust-sized wireless sensors that can be implanted in the body to monitor internal nerves, muscles, or organs in real-time. The technology also enables stimulation of nerves and muscles to treat disorders such as epilepsy or stimulate the immune system.

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.

Health-care costs are bad medicine

New research reveals that over 40% of people with depression and anxiety skipped healthcare treatment due to cost. Adults with asthma, emphysema, and COPD faced significantly higher household out-of-pocket healthcare expenditure compared to those without a health condition.

Insomnia? Oversleeping? Both may increase your risk of stroke

A recent literature review suggests that both sleep disorders and oversleeping may increase the risk of stroke. The review recommends screening for sleep disorders in people who have had a stroke or transient ischemic attack (TIA), as they may be more likely to experience negative outcomes. Additionally, treatment with continuous posit...

From happiness on Twitter to DNA organization

Researchers used assortativity to analyze DNA interactions and identify proteins mediating chromatin contact networks. This approach helps understand genome organization and its relationship with gene expression regulation.

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.

Carbon nanotube 'stitches' make stronger, lighter composites

Researchers at MIT have developed a method to reinforce composite materials using carbon nanotubes, resulting in substantially stronger and more resistant materials. The stitched composites were found to be 30% stronger and withstood greater forces before breaking than existing composite materials.

Federal grant to Rice targets ovarian cancer

Rice University bioengineer Junghae Suh has been awarded a prestigious R01 grant to research the use of viral gene therapy to fight ovarian cancer. The grant will help Suh and her lab adapt viruses to recognize extracellular enzymes overexpressed by ovarian-cancer tumors and deliver therapeutic genes to diseased cells.

Contagion in popular places: From Zika to political extremism

Researchers found that increasing mobility through a popular place can reduce outbreak severity, unlike reducing flow which would increase susceptibility to infection. The team proposes strategies to control the flow of people to minimize risk while maintaining high occupancy.

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.

Researchers identify how queen bees repress workers' fertility

Researchers discovered how queen honeybees control worker bees' fertility through the Notch cell-signalling pathway. The study found that inhibiting Notch signalling can overcome the effect of queen pheromone and promote ovary activity in adult worker bees.

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.

Tiny high-performance solar cells turn power generation sideways

Researchers at University of Wisconsin-Madison have created high-performance, micro-scale solar cells that outshine comparable devices in key performance measures. The new, small cells capture current from charges moving side-to-side and generate significantly more energy than other sideways solar systems.

Paving the way toward novel strong, conductive materials

Scientists have developed a method to predict which alloys can form bulk metallic glasses, overcoming the complex process of synthesizing these alloys. The new approach identifies hundreds of new candidates for metallic glass made from simple two-element alloys, opening up possibilities for novel strong and conductive materials.

Global warming, a dead zone and surprising bacteria

Scientists have discovered that newly found SAR11 bacteria are depleting oxygen and nitrogen in the world's largest oxygen minimum zone, making virtual dead zones even more inhospitable to life. This process has significant implications for global nutrient supplies and greenhouse gas cycles.

Meta Quest 3 512GB

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

What's really in your swimming pool?

Harmful disinfection by-products (DBPs) form when chlorine and other chemicals react with organic matter in pool water, causing respiratory problems like asthma among swimmers. Practicing good hygiene, such as taking showers before entering the pool, can help reduce DBP levels.

The push for more clinical research data sharing is paying off

The Yale Open Data Access (YODA) Project has made significant progress in accelerating clinical trial data sharing, enabling greater access to high-quality medical research. The project's independent scientific reviews have ensured fair judgment and decision-making authority over data release.

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.