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Science News Archive January 2019


Page 32 of 37

Fighting human disease with birth control ... for mosquitoes

Researchers at the University of Arizona have discovered a protein in mosquitoes that prevents them from hatching. By blocking this protein, females can no longer produce viable eggs, leading to the death of embryos. This discovery could lead to the development of new drugs as birth control for mosquito populations.

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.

Genetics may influence the effects of vitamin E on cancer risk

A retrospective analysis found that genetic variations in the COMT gene affected whether vitamin E decreased or increased cancer risk in study participants. The results showed a significant impact of COMT variants on cancer rates among women taking vitamin E supplements.

How herpesviruses shape the immune system

Scientists at Helmholtz Zentrum München have developed an analytic method that can precisely detect viral infections using immune responses. This method could help identify gaps in protection early on and make transplants safer in the future.

Having more than one chronic disease amplifies costs of diseases, study finds

A new study published in PLOS Medicine found that individuals with two or more chronic diseases incur significantly higher healthcare costs compared to those with a single disease. The study analyzed data from New Zealand and estimated the annual health expenditure per person for six non-communicable disease classes.

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.

Physics can show us the inside of tumors

Researchers used noncontact imaging to differentiate malignant cells and monitor treatment effectiveness, revealing mechanical properties of tumors that influence disease progression. This technique may lead to personalized therapies and more effective treatments.

Apple iPhone 17 Pro

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

Programming light on a chip

A new integrated photonics platform enables precise control of light frequency and storage, opening doors for photonic quantum information processing, optical signal processing, and microwave photonics. The technology uses lithium niobate and has potential applications in radio astronomy, radar technology, and more.

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.

Innovative educational methods to enhance research integrity culture

The Path2Integrity project aims to boost research integrity by developing new educational methods, targeting students and researchers from five European countries. The initiative, funded by the EU Horizon 2020 program, promotes storytelling, role-playing, and dialogical learning to raise awareness about research integrity.

Scientists discover a process that stabilizes fusion plasmas

Researchers at Princeton Plasma Physics Laboratory have discovered a process that can help control disruptions in fusion plasmas, a key challenge for generating clean energy. The process focuses on stabilizing tearing modes, which create magnetic islands that can trigger disruptive events and halt fusion reactions.

Ancient gene duplication gave grasses multiple ways to wait out winter

Grasses have multiple copies of a gene that induces flowering during long days, but one duplicate has been repurposed to be expressed during short days, giving some grasses a new way to prepare for spring. This adaptation allows them to flower quickly in spring, providing an edge in the race to produce seeds.

Childhood stress of mice affects their offspring behavior

Russian neuroscientists discovered that early stress in mice impacts both the individual and their offspring, affecting memory, learning, and maternal behavior. The study found that separated mice showed reduced hippocampus neurons and altered exploratory behavior, while their offspring exhibited behavioral changes related to sex.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Trees change inside as drought persists

Researchers found trees changing their wood anatomy in response to drought, with some species developing smaller water-carrying vessels. This adaptation allows mature rainforest trees to conserve water during extended dry periods.

Holographic color printing for optical security

Researchers at SUTD developed a new holographic colour printing device that modulates both phase and amplitude of light, increasing security and deterring counterfeiting. The technology uses nano-3D-printed polymer structures to display coloured images under ambient white light while projecting multiple holograms under laser illumination.

Medical marketing increased over past 2 decades

The amount of money spent on medical marketing in the US has significantly increased over the past two decades, reaching $29.9 billion in 2016. Most of this spending was on marketing to professionals, with direct-to-consumer advertising also growing substantially.

Meta Quest 3 512GB

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

Environmental sustainability should be inherent to dietary guidance

The Society for Nutrition Education and Behavior recommends including environmental sustainability considerations in future federal dietary guidance. The authors make recommendations to promote behavior change among consumers by discussing the health and environmental impacts of food choices.

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.

Essential nutrient may help fight Alzheimer's across generations

Researchers at Arizona State University discover that choline supplementation may help fight Alzheimer's disease in mice and their offspring. The study reveals that high choline intake during gestation and lactation improves spatial memory in subsequent generations, suggesting a transgenerational effect.

Do you recognize this image?

Researchers at the University of Tokyo found that histamine improved people's long-term memory test scores, especially for those with poor memories. The study showed mice could recognize toys they'd seen as long as 28 days ago after receiving a medication that increases histamine in the brain.

Insomnia has many faces

Researchers identified five distinct subtypes of insomnia, each with unique characteristics and underlying brain mechanisms. These findings have significant implications for treatment effectiveness and the prevention of depression, offering a new direction in understanding this complex mental disorder.

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.

Hospital SIESTA project reduces inpatient sleep interruptions

Researchers at the University of Chicago Medicine designed a study to improve patients' sleep by using electronic health record nudges and educating nurses. The results showed significant reductions in nighttime disruptions, including fewer room entries and improved medication administration.

Roaming cats prey on their owners' minds

A study of cat owners reveals a spectrum of views on hunting, from positive pest control to deep concern for wild animal populations. Researchers aim to find practical ways to reduce hunting while enhancing cat welfare.

Myth of Mona Lisa's magical gaze debunked

Researchers from Bielefeld University found that the Mona Lisa's gaze is not aimed at viewers, contrary to popular belief. The 'Mona Lisa Effect' is actually an illusion of being looked at, triggered by the viewer's perception of direction.

Experts warn against mega-dams in lowland tropical forests

A new study warns against mega-dams in lowland tropical forest regions due to their impact on biodiversity and ecosystems. The Balbina Hydroelectric Reservoir system in the Brazilian Amazon showed that tree communities on islands are 'unstable' and prone to extinction.

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.

Pyronaridine-artesunate for treating uncomplicated Plasmodium falciparum malaria

Researchers found pyronaridine-artesunate to be as effective as currently used artemisinin-based combination therapies for treating uncomplicated P. falciparum malaria. Mild liver injuries were observed in some patients but no severe damage was reported. The treatment holds promise for areas with rising artemisinin resistance.

New insights into a rare type of cancer open novel avenues of study

Researchers at Karolinska Institutet identified four distinct molecular subtypes of undifferentiated uterine sarcoma, a rare and aggressive cancer, which could lead to improved treatment outcomes. The study also showed that some patients may live longer than initially predicted.

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.

Would you vote for a Democrat who behaves like a Republican?

A Bright Line Watch experiment reveals that partisanship is the dominant factor in voting decisions, outweighing policy positions and democratic values. The study's findings highlight the American public's commitment to certain democratic principles, but also expose significant partisan divides on issues like voter ID laws.

Self-propulsion of levitated droplets

Researchers discovered that levitated droplets can self-propel across a cryogenic liquid surface, gliding and oscillating without friction. The phenomenon is driven by an asymmetry between the front and back of the drop, emerging in the supporting film's thickness.

Yeast makes ethanol to prevent metabolic overload

Yeast cells produce ethanol as a 'safety valve' when their metabolic operation reaches a critical level. This discovery also explains the Warburg effect in cancer cells, where energy is wasted by producing lactate.

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.

Opioids fueled a doubling of suicides and overdoses in the US

A new review by Michigan Medicine researchers shows that opioids are a key contributor to the rise in suicides and drug overdoses in the US. The study calls for improvements in pain care, mental health care, and medication-assisted opioid addiction care to reverse this deadly trend.

Anxiety-depressive disorder changes brain genes activity

Researchers discovered that anxiety-depressive disorder in mice is associated with impaired energy metabolism in the brain, particularly in the hypothalamus and hippocampus. This finding provides a fresh look at the depression development mechanism and other psycho-emotional diseases formation.

New materials could 'drive wound healing' by harnessing natural healing methods

Researchers at Imperial College London have developed a new molecule called TrAPs that interact with the body's natural repair systems to drive healing. The technique mimics nature and can be tailored to release specific therapeutic proteins based on cell type, offering new hope for patients with difficult-to-heal wounds.

Quantum computing steps further ahead with new projects at Sandia

Sandia National Laboratories has launched four new projects to advance quantum computing, including a 'testbed' for industrial and academic researchers. The projects focus on creating accessible components, high-level algorithms and tools to measure quantum hardware performance.

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.

Scientists developed new mouse model of Hirschsprung's disease

Researchers created a viable mouse model of Hirschsprung's disease to study its development and progression. The new model revealed that mucin-producing goblet cells may be a target for preventative treatment and that reduced expression of GFRa1 contributes to susceptibility to the disease.

Drug development for neglected disease

Researchers have developed a highly specific anti-Wolbachia drug candidate that could provide a safe oral treatment for worm infections in just 7 days. The new therapy has superior efficacy and favorable drug properties compared to existing options, which typically take 4-6 weeks to treat similar conditions.

Hopkins researchers ID new biomarker for colorectal cancers

Researchers at Johns Hopkins have discovered a protein that can serve as an early biomarker for colorectal cancer. The protein, beta-1,4-GalT-V, is involved in cell proliferation and new blood vessel formation, which are critical processes in cancer growth.

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.

Body cameras and judgment of intent

Researchers found that body-camera footage led to lower intentionality ratings compared to dashboard footage in both real and staged incidents. The study suggests that body-camera footage could impact judicial decisions.