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Science News Archive May 2014


Page 20 of 31

Chemists design molecules for controlling bacterial behavior

Researchers have developed a class of chemical agents that targets new biological receptors in bacteria, changing their multicellular behaviors. These disaccharide derivatives mimic natural rhamnolipids and have potential applications in treating bacterial infections and inhibiting horizontal gene transfer.

A tale of survival

Shortfin molly fish populations have evolved genetic changes that enable them to thrive in hydrogen sulphide-rich springs. The adaptations involve changes in the cox1 and cox3 genes, allowing the fish to maintain COX activity under high H2S concentrations.

Coral reefs are critical for risk reduction & adaptation

A new study reveals that coral reefs provide substantial protection against natural hazards, reducing wave energy by an average of 97%. The restoration and conservation of coral reefs is a cost-effective solution to reduce risks from coastal hazards and climate change, benefiting hundreds of millions of people worldwide.

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.

Forgiving a wrong may actually make it easier to forget

Researchers found that forgiving a transgression can facilitate forgetting of its details, especially when the participant is instructed to forget. The study's findings suggest that forgiveness may be linked to suppression of negative memories and emotions.

Dangerous nitrogen pollution could be halved

A study suggests that nitrogen pollution can be reduced by 50 percent through targeted fertilizer application, recycling animal dung, and changing consumer habits such as reducing food waste and meat consumption. The findings highlight the importance of addressing nitrogen pollution to mitigate both health and climate impacts.

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.

Ultrafast laser technique developed to observe electron action

University of Central Florida physicists have developed a new ultrafast light source to observe electron motion in molecules, allowing scientists to understand how electrons interact with each other. This breakthrough may lead to improved efficiency in solar cells and unlock new rules for quantum mechanics.

Follow that fish!

Researchers found that zebrafish exposed to alcohol exhibited increased swimming speeds in the presence of peers, while unexposed fish modulated their behavior accordingly. This social influence may constitute a form of leadership, challenging traditional views on individual responses to alcohol.

Fluke 87V Industrial Digital Multimeter

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

Why athletes are more likely to need pacemakers in old age

A new study reveals that athletes who have a lifelong history of endurance events may experience abnormal heart rhythms due to molecular changes in their heart's pacemaker. Elderly athletes are more likely to need artificial pacemakers fitted compared to normal adults.

Male infertility: It's all about the package

Researchers at Cold Spring Harbor Laboratory discovered a protein called Chd5 that plays a crucial role in chromatin remodeling during sperm development. The team found that Chd5 is essential for maintaining the genetic information of male fertility, and its absence can lead to infertility and increased risk of disease.

Clean air in Iowa

A new study from the University of Iowa reveals that Iowa's air quality is generally clean, but with notable variations between urban and rural areas. The research found higher concentrations of fine particulate pollutants in urban locations, particularly associated with vehicle exhaust and industrial activity.

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.

No bioengineered gut bacteria, no glory

Rice University synthetic biologist Jeff Tabor is working on a three-year project to engineer probiotic bacteria that can detect disease signals in the gut and prevent diseases such as obesity and depression. The goal is to create an edible probiotic bacterium that can help protect sailors and marines from these health issues.

Apple iPhone 17 Pro

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

Kessler Foundation expert authors article on social enterprise business models

The article highlights the potential of social enterprise businesses in creating employment opportunities for people with disabilities. The author, Elaine E. Katz, details two successful examples, Hudson Community Enterprises and Destination Desserts, which have generated revenue and provided market-driven pay rates for employees.

NREL assembles industry group to explore solar lending potential

The Banking on Solar working group aims to standardize contracts and underwriting processes, educating banks about the risks and rewards of solar assets. This effort has already begun developing standardized loan documents and underwriting criteria in residential and commercial markets.

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.

Having a sense of purpose may add years to your life

A study published in Psychological Science found that finding a direction for life and setting overarching goals can help people live longer. The research analyzed data from over 6000 participants and found that greater purpose in life consistently predicted lower mortality risk across the lifespan.

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.

Molecular regulation of hypoxic-ischemic brain damage

Researchers found that miRNA-9 binds to and potentially reduces the activity of oligodendrocyte lineage gene 1 during hypoxic-ischemic brain injury. This regulatory mechanism may play a role in myelin repair and neurological disorder development.

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.

Which has a more efficient 'engine': A tuna or a whale?

Researchers at Northwestern University developed a new metric to measure energy consumption efficiency in animals of different sizes. Contrary to expectations, the study found that the gray whale and skipjack tuna are almost equally efficient, with the whale's higher fuel consumption being an unavoidable consequence of physics.

College students drive, ride after marijuana, alcohol use

Researchers found that college students were more likely to drive and ride after marijuana use compared to alcohol use. The study suggests that social norms regarding marijuana use are changing, leading to increased acceptance of driving under the influence of marijuana.

Alcohol and drugs: Not just for modern man

Research reveals prehistoric Europeans consumed psychoactive plants and fermented beverages in rituals to connect with the spirit world. Archaeological evidence suggests socially controlled use of these substances, contrasting with modern hedonistic views.

Drug therapy for allergy moves forward

New targets for drug therapy have been identified in the mast cell system, including enzymes and receptors. These targets include serine proteinases tryptase, chymase, cathepsin G, and proinflammatory cytokines.

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.

Scientists discover a natural molecule to treat type 2 diabetes

Researchers at Université Laval have discovered a natural molecule called protectin DX (PDX) that improves insulin sensitivity and reduces blood glucose levels in obese diabetic rats. PDX triggers the production of interleukin-6 (IL-6) in muscle cells, similar to exercise, but its efficacy may be comparable to certain diabetes drugs.

Researchers find new molecule to treat asthma

Researchers have discovered a synthetic molecule that inhibits T-cell signaling in the lungs, preventing asthma symptoms such as inflammation and airway constriction. The molecule shows promise for treating asthma, a chronic disease affecting over 25 million Americans.

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.

Dopamine turns worker ants into warrior queens

A study from North Carolina State University found that increases in dopamine levels trigger dramatic physical changes in Indian jumping ant workers, transforming them into warrior queens with elevated life expectancy. This discovery has implications for understanding social insect behavior and epigenetics.

Ultra-fast, the bionic arm can catch objects on the fly

The robotic arm, developed by EPFL researchers, is capable of catching projectiles with irregular shapes and trajectories. It achieves this through a combination of machine learning algorithms and real-time adjustments, enabling it to catch objects in less than five-hundredths of a second.

Video stories, other bonding exercises could help foster families connect

Researchers developed a self-administered program called 'Connecting' to guide foster families through exercises that bring them closer together. The program uses short videos of former foster youth describing their experiences in child welfare and encourages caregivers to share basic information with their teens.

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.

Triple negative breast cancer, ethnicity, and socioeconomic status

A nationwide dataset analysis found that black women are 1.84 times more likely to be diagnosed with triple-negative breast cancer, a subtype with poorer prognosis. Asian/Pacific Islander women were also more likely to be diagnosed with HER2-overexpressing breast cancer.

HADES searches for dark matter

Recent HADES experiments have ruled out the U boson as a potential Dark Matter candidate, but the search continues. The negative results challenge the Standard Model of particle physics and leave room for further investigation into physics beyond the current understanding.

Scientists slow brain tumor growth in mice

Researchers identified a protein called CFIm25, which regulates messenger RNA length and promotes tumor growth. Restoring CFIm25 levels in brain tumors dramatically reduced their growth, providing a potential novel therapeutic strategy.

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.

NREL staff recognized for top innovations

NREL honored Principal Engineer Bhushan Sopori with the Distinguished Innovator Award for his leadership in solar energy research. The lab also recognized Rising Stars, including Kirstin Alberi, Arrelaine Dameron, and Gregg Beckham, who have made significant contributions to technology transfer and commercialization.

$1.9 billion in Medicare waste: 'Tip of the iceberg'

Researchers found that at least one in four Medicare recipients received wasteful services in 2009, resulting in $1.9 billion in unnecessary spending. The study used novel methods to measure low-value care and provides tools for evaluating reform efforts aimed at reducing waste.

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.

Corn dwarfed by temperature dip suitable for growing in mines, caves

A Purdue study reveals that reducing corn's growing conditions by 2 hours a day can lower its height by 9-10% and reduce stalk diameter by 8-9% while maintaining its seed yield. This technique could enable controlled environment agriculture in mines and caves for growing high-value transgenic crops.