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Science News Archive April 2020


Page 29 of 37

Film photosensitizer: High efficient singlet oxygen generation

Researchers developed a unique film-based photosensitizer that efficiently produces singlet oxygen with enhanced photochemical stability and visible light absorption, paving the way for practical applications in sterilization, water purification, and PDT.

Bristol leads archaeologists on 5,000-year-old egg hunt

Researchers have uncovered surprising complexity behind ancient ostrich egg production, tracing origins to specific climatic zones and routes. The study also suggests eggs were taken from wild birds' nests despite evidence of captivity, adding luxury value due to risk and storage requirements.

Eindhoven researchers present revolutionary light-emitting silicon

Researchers from Eindhoven University of Technology successfully developed an alloy with silicon that can emit light, paving the way for photonic chips. The breakthrough could lead to faster data transfer, reduced energy consumption, and new applications in self-driving cars and medical diagnosis.

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.

Tracking the atomic pathways by in-situ liquid cell TEM

Researchers observe the atomic growth way of Pt3Ni-Ni(OH)2 core-shell structure at gas-liquid interface using in-situ liquid cell TEM. Experiment results reveal underlying growth and transformation mechanisms, shedding light on rational design of metal-2D core-shell structures.

Probiotics may help treat acne

A recent analysis published in Dermatologic Therapy suggests that probiotics may be an effective alternative to traditional treatments for acne. The study found that probiotics can reduce inflammation and help the skin's natural defenses against acne, but further research is needed to confirm these findings.

Hidden army: How starfish could build up numbers to attack coral reefs

Research shows that juvenile crown of thorns starfish can delay their diet shift to coral for at least 6.5 years, allowing them to build up populations on reefs in the absence of coral. This delayed transition complicates efforts to manage the starfish population and may trigger a feedback mechanism in their transition to coral predators.

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.

Uganda: 20% decline in economic output without climate action

A recent study on Uganda finds that climate change can lead to a 20% decline in economic output due to reduced labor supply and increased food consumption. The analysis suggests that households will need to adapt to changing temperatures through strategies such as crop diversification and irrigation.

Online education platforms could scale high-quality STEM education for universities

A multi-site study found that online and blended instruction produced similar learning outcomes to traditional in-person classes, with students scoring higher on course assignments but reporting slightly lower satisfaction. The study also showed significant cost savings, with blended instruction lowering costs by 15-19% and fully onlin...

Apple iPhone 17 Pro

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

Risk factors for carrying pneumonia-causing bacteria revealed

A recent study led by the Murdoch Children's Research Institute found that Fijians carrying a pneumonia-causing bacteria are more likely to be of iTaukei ethnicity, young, living in urban areas, or with low family income. The study also linked toddlers and children under six years old to a higher burden of pneumococcal bacteria.

False memories of crime appear real when retold to others

A new study found that people are no better than chance at identifying false memories of committing a crime, even when told they're fake. The research used videos from a previous study where participants were tricked into believing they had committed a crime, and found that many true memories looked like false ones.

An experimental study demonstrates the effectiveness of online learning

An experimental study found that high-quality online courses can achieve the same learning outcomes as traditional classes, with cost savings ranging from 15-81%. However, student satisfaction was slightly lower for online students due to lack of experience and relevant skills in an online environment.

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.

What are the environmental impacts of cancer drugs?

Cancer drugs are detected in water systems due to human excretion and wastewater treatment facilities. Researchers urge proactive measures to identify potential gaps in knowledge regarding the consequences of anti-neoplastic exposure on aquatic organisms.

Belle II yields first results in search of the Z' boson

The Belle II experiment has analyzed a small amount of data collected during the start-up phase of SuperKEKB in 2018. The analysis did not provide any indication of the Z' boson, but it did limit the mass and coupling strengths of the particle with previously unattainable accuracy. This result does not rule out the existence of the Z' ...

Cancer mutation in dual role

Researchers at the University of Freiburg have discovered that cancer-causing mutations in the KRAS gene lead to inflammation and slow down tumor growth. The study, led by Prof. Dr. Robert Zeiser, shows that K-Ras plays a dual role in both cancer development and immune response.

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.

Building a bean that resists leafhoppers

Researchers developed a new pinto bean variety, TARS-LH1, with increased resistance to leafhoppers and drought tolerance. The new crop has broad adaptation to different climates and could contribute to reducing pesticide use in common bean farming.

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.

$1.2 million grant to study evolution of Central American lizards

A research team led by Jonathan Losos will sequence the genomes of 200 species of Anolis lizards and introduce genetic changes using CRISPR to test their effects on adaptation. The study aims to identify genes responsible for evolutionary adaptation in Central American lizards.

What do soap bubbles and butterflies have in common?

Researchers found a gene influencing structural color in butterflies, which produces intricate nanostructures with optical properties. The study also reveals that most butterfly patterns have a mix of pigment color and structural color, with the latter having a stronger impact on wing color.

Amazonian crops domesticated 10,000 years ago

Researchers confirm early plant cultivation in southwestern Amazonia, dating back to 10,350 years ago, with evidence of manioc and squash. The discovery suggests that the earliest inhabitants were not just hunter-gatherers but also engaged in plant cultivation.

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.

Kids or teen smokers are less likely to kick the habit as adults

A new international study found that starting smoking at a young age significantly increases the likelihood of becoming a daily smoker as an adult. The study analyzed data from over 6,600 participants and found that even children who only tried smoking minimally were more likely to end up as daily adult smokers. The results support Tob...

Using nano-scale spintronics, researchers aim to build novel artificial brain

A new research project called SpinAge aims to develop a neuromorphic computer system that can mimic the human brain's synapses and neurons, increasing computer performance by up to 100,000 times. The project, coordinated by Aarhus University, seeks to reduce energy consumption in current computing systems by at least a factor of 100.

Putting remdesivir to the test for COVID-19

Scientists are closely monitoring remdesivir trials for COVID-19 treatment, despite caution from infectious disease experts about difficult-to-interpret results. The antiviral drug blocks RNA polymerase used by SARS-CoV-2 to replicate, showing promise in lab experiments and animal studies.

Knowledge of cancer diagnosis may affect survival

Patients with lung cancer in China who knew their diagnosis survived longer than those who did not, with a median survival time of 18.33 months versus 8.77 months. The study suggests that full disclosure of cancer diagnoses can benefit patients in the long term with proper communication and support.

A bad egg does good for its mother

Researchers at Northwestern University found that a damaged fertilized egg sends a molecular signal to the mother that protects her from cellular stress and environmental damage. This allows the mother to live longer and produce healthier eggs.

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.

Rice chemist wins grant to simplify drug design

László Kürti, a Rice University chemist, has received a prestigious grant to speed up drug design by simplifying the synthesis of essential precursors. The five-year grant will support research into amines and their derivatives, which are present in most drug molecules. This could lead to more environmentally friendly drug development.

Life in refugee camps wreaks havoc on children's health

A study conducted by Greek and Norwegian researchers found that refugees in Greece are facing high levels of trauma, sleep problems, and concentration difficulties. The longer they stay in the camps, the worse their health situation becomes, especially for vulnerable groups such as children, the elderly, and women.

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.

New prognostic tool helps leukemia patients plan for cancer treatment

A new prognostic tool called IPS-E predicts how long CLL patients can wait before starting treatment, helping alleviate frustration and improve decision making. The tool is based on three widely available tests and categorizes patients into low, intermediate, or high risk of needing treatment within five years.

Next gen solar cells perform better when there's a camera around

Researchers have developed a simple method to detect tiny imperfections in next-generation solar cells, boosting their efficiency. By using a camera to analyze infrared light emitted from the cells, they can identify and adjust manufacturing processes to improve quality control.

Is autoimmunity on the rise?

A study published in Arthritis & Rheumatology found a significant increase in autoimmunity prevalence in the US population between 1988 and 2012. The prevalence of antinuclear antibodies (ANA) rose from 11.0% in 1988 to 15.9% in 2011-2012, affecting an estimated 41 million individuals.

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 'refrigerator' super-cools molecules to nanokelvin temperatures

Researchers at MIT have successfully cooled sodium lithium molecules down to 200 billionths of a Kelvin using collisional cooling, enabling the potential for molecule-based quantum computing. The technique involved making the molecules and atoms spin in sync, avoiding 'bad' collisions that heated or destroyed the molecules.

Depression in adults who are overweight or obese

A study of 519,513 UK adults found a significant correlation between depression and obesity. Antidepressant prescriptions also increased with rising weight, highlighting the need for tailored guidance.

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.

House cleaning on the nanoscale

The technique successfully removes even the tiniest contaminants down to the atomic scale, achieving an unprecedented level of cleanliness. The research also explored the origins and mechanisms of recontamination at the nanoscale, revealing surface diffusion and airborne contamination.

X-ray vision through the water window

Researchers at ETH Zurich have developed a high-repetition-rate laser source producing coherent soft x-rays spanning the entire 'water window', enabling new applications in chemistry and biology. The system, capable of 100 kHz repetition rates, demonstrates a significant improvement over existing sources.

Fluke 87V Industrial Digital Multimeter

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

Origins of Earth's magnetic field remain a mystery

A team of scientists from MIT has found evidence to contradict previous claims that the Earth's magnetic field existed beyond 3.5 billion years ago. The researchers studied zircons excavated from an ancient outcrop in Western Australia and concluded that these minerals are unreliable as recorders of ancient magnetic fields.

The effects of inflammatory bowel disease on pregnancy

Women with IBD had higher rates of Caesarean section and intrauterine growth retardation compared to those without IBD. Those with mild Crohn's disease did as well during pregnancy as women without IBD, but those with more severe disease experienced increased miscarriage and low birth weight.

Advance in understanding actin sheds light on cell function

Scientists have made a groundbreaking discovery about the function of actin, a crucial protein in cells, by uncovering its atomic-scale structure as it is modified. The research reveals that actin's modification plays a key role in regulating its ability to form filaments and interact with other proteins.

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.

A step ahead in the race toward ultrafast imaging of single particles

Scientists at Argonne National Laboratory develop a novel approach to ultrafast imaging of single sucrose nanoclusters using XFEL pulses, finding that shorter pulse lengths are better for optimal signal degradation. The study's computer modeling will help optimize future experiments.

Periodic physical distancing for COVID-19 control: new modelling study

A new modelling paper from Ontario indicates that dynamic physical distancing measures can reduce COVID-19 transmission while providing periodic psychological and economic relief. The study shows that modulating response measures can prevent ICU overloads without overwhelming the healthcare system.

Autoimmunity may be rising in the United States

The study found significant increases in antinuclear antibody prevalence in the US population, particularly among males and adolescents. The researchers suggest changes in lifestyle or environment may be involved in these increases.