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Science News Archive February 2019


Page 23 of 40

Bigger teams aren't always better in science and tech

A new analysis of 65 million projects found that smaller teams are more likely to introduce new ideas to science and technology, while larger teams often develop and consolidate existing knowledge. This challenges recent trends in research policy and funding toward big teams.

SIOP recognizes Seymour Adler for lifetime professional achievement

Dr. Seymour Adler has made a significant impact on people at work, organizations, and the practice of I-O psychology through his innovative methods in selection and talent management. His work extends to performance management, leadership development, and talent risk mitigation processes.

Apple iPhone 17 Pro

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

Polymers pave way for wider use of recycled tires in asphalt

New polymer additives have been found to increase the storage stability of asphalt rubber, making it more suitable for producing rubber asphalt. This material has shown cost-effectiveness and environmental benefits in U.S. states that currently use ground tire rubber as a component of asphalt mixes.

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.

First-of-their-kind 3D experiments shed new light on shape memory alloys

Shape memory alloys are underutilized in commercial applications due to limited understanding of their internal microstructures. Researchers used novel 3D X-ray microscopy techniques to visualize these structures, revealing surprising results that shed light on decades-old areas of contention in SMA micromechanics. The study's findings...

The first walking robot that moves without GPS

AntBot, a new robot developed by CNRS and Aix-Marseille University, replicates the navigation capabilities of desert ants using polarized light and optical sensors. The robot can explore its environment and return to its base with precision, covering distances of up to 14 meters.

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.

Light and sound gauge the temperature of deep tissues

Biomedical engineers at Duke University have developed a new photoacoustic imaging technique that can quickly and accurately measure the temperature of deep tissues. This breakthrough has significant implications for thermal-based therapies in cancer treatment.

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.

New painkiller lasts longer, is less addictive than morphine

Researchers have developed a new nano-painkiller that bypasses the blood-brain barrier and has been shown to be effective in treating intense pain without severe side effects. The new approach uses Leu-enkephalin-based nanoparticles that target peripherally located opioid receptors with lower abuse potential than morphine.

DDT exposure tied to breast cancer risk for all women through age 54

A six-decade-long study found that all women exposed to high levels of DDT before age 54 are at increased breast cancer risk. The timing of first exposure matters, with early infancy and puberty linked to premenopausal cancer and later childhood and adolescence to postmenopause diagnosis.

VUMC researchers, supercomputing effort reveal antibody secrets

Researchers at Vanderbilt University Medical Center used sophisticated gene sequencing and computing techniques to analyze antibody-producing white blood cells. They found a surprisingly high frequency of shared clonotypes, which could aid in developing universal vaccines and treatments.

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.

New therapy for aggressive blood cancer discovered

Researchers identified a critical vulnerability in AML patients with CEBPA mutations, where functional inhibition of the MLL1 complex leads to cell death. Targeting this complex could potentially release a block in normal blood cell maturation and restore healthy blood cells.

Verbal autopsies capture more accurate burden of disease in Uganda

A study conducted in rural Uganda found that verbal autopsy interviews performed by community health workers provided more accurate data on deaths than traditional health facility-dependent surveillance methods. The results showed that many deaths were not reported due to incomplete or inaccurate patient registration at health facilities.

New clue in curious case of cassowary casque

A team of Australian scientists has discovered that the cassowary's distinctive helmet-like structure acts as a thermal window to regulate body temperature. The research provides new insights into the bird's ability to cope with high temperatures, and may have implications for our understanding of dinosaur physiology.

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.

SIOP recognizes Kurt Kraiger for distinguished teaching career

Kurt Kraiger, a renowned educator with over 38 years of experience, has been honored with the Distinguished Teaching Contributions Award from the Society for Industrial and Organizational Psychology (SIOP). He has taught at various levels, including MBA, HR master's, and executive education students.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Study helps solve mystery of how sleep protects against heart disease

Researchers discovered a previously unknown mechanism between the brain, bone marrow, and blood vessels that appears to protect against hardening of arteries when sleep is healthy. Disrupted sleep leads to increased inflammation and atherosclerosis in mice, highlighting the importance of quality sleep for cardiovascular health.

Increased depression and suicidal behavior risk for young cannabis users

A new international study reveals that adolescent cannabis use can harmfully alter mental health, even in teenagers without pre-existing depressive symptoms. The risk is particularly elevated in North America, where adolescents have higher rates of cannabis use compared to peers in other developed countries.

DDT exposure tied to breast cancer risk for all women through age 54

A six-decade-long study found that all women exposed to high levels of DDT are at increased risk for breast cancer before age 54, with the timing of cancer risk depending on when they were first exposed. Women exposed in infancy and early childhood were most likely to develop premenopausal breast cancer.

Broad regional accents are a barrier to social mobility, research finds

A recent study conducted by researchers at the University of Bath and Manchester found that broad regional accents can be a barrier to social mobility in the UK. Many teachers reported feeling pressure to modify their accents to sound more professional, leading to a mismatch between speaker and listener regarding accent in the workplace.

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.

Climate change increases potential for conflict and violence

Climate change is expected to increase the likelihood of violence through three indirect effects: increased irritability, economic instability, and eco-migration leading to intergroup conflicts. These factors can create a perfect storm for political violence, civil wars, or wars between nations.

A trailblazer

Elisabeth Gwinn, a professor at UC Santa Barbara, has been awarded the AAAS Lifetime Mentor Award for her decades-long commitment to mentoring underrepresented students in physics. Her work has transformed her department and improved the lives of countless students.

SIOP recognizes David P. Baker for lifetime professional achievement

David P. Baker PhD has been recognized for his significant contributions to the practice of industrial and organizational psychology. His work on team training programs in high-risk environments, including TeamSTEPPS, has had a major impact on people at work, organizations, and the field.

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.

Newly discovered turtle species is facing extinction

A new species of softshell turtle, Pelodiscus variegatus, has been discovered in northeastern Indochina. The species is characterized by dark blotches on its shell and has a critically endangered conservation status due to its limited range and high exploitation rates.

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.

Stereotypes of romantic love may justify gender-based violence

A qualitative analysis of Física o Química reveals that Spanish teens internalized stereotypes and myths of romantic love that justify male violence against women. The study found that audiences reflected in gender stereotypes and romantic inequalities.

In disasters, Twitter influencers get out-tweeted

Research on Twitter use during natural disasters highlights the importance of targeting average users with meaningful networks to spread life-saving information. Average Twitter users with small local networks increase their activity more than those with larger networks in disaster situations.

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.

Should we screen people for irregular heartbeat?

Screening for irregular heartbeat has been proposed as a potential solution to reduce stroke risk, but experts disagree on its effectiveness. Mark Lown suggests that trained clinicians can accurately identify positive cases, while Patrick Moran raises concerns about the lack of evidence on screening's benefits.

Exercise gives older men a better brain boost

A new study published in the Journal of Applied Physiology found that cardiorespiratory fitness is associated with better brain function in older men. The research team discovered that higher fitness levels were linked to improved cognitive skills, including executive function and focus.

Michael Mann awarded the 2019 Tyler Prize for Environmental Achievement

Dr. Michael Mann received the 2019 Tyler Prize for Environmental Achievement for reconstructing the Earth's past climate and communicating modern climate change to the public and policymakers. He was honored alongside fellow climate scientist Warren Washington, with whom he shares a personal connection.

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.

Gender and cultural bias exists against teachers at university level

A study by the University of New South Wales found that male teachers are more likely to receive higher scores than female teachers in certain subjects. The research, published in PLOS ONE, analyzed over 525,000 student experience surveys and found bias against female teachers from non-English speaking backgrounds.

Getting a grip on human-robot cooperation

Researchers at Sant'Anna School of Advanced Studies and Australian Centre for Robotic Vision unveiled guiding principles for grasp type choice during object handover, facilitating human-robot cooperation. The study demonstrates that humans intuitively leave handles unobstructed to facilitate subsequent tasks.

MRI and computer modeling reveals how wrist bones move

A recent study published in the Journal of Biomechanics used advanced MRI techniques to track wrist bone movement in 18 individuals, revealing gender-based differences. The researchers found that while individual left and right wrists are similar, there are distinct differences between male and female wrists.

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.

Shedding light on the pathway to put the traumatic past behind

Scientists have identified a brain pathway that underlies an effective therapy for sustainably reducing traumatic memories. The study found that alternating bilateral sensory stimulation (ABS) induces a persistent fear reduction by activating the superior colliculus and mediodorsal thalamic nucleus pathways, which suppresses fear expre...

More data, more land reclamation success

A new study found that collecting soil data at short intervals can increase the success of land reclamation, leading to faster regeneration and lower costs. By fine-tuning fertilizer and lime applications based on soil pH levels, teams achieved significant cost savings, especially in mountainous areas.