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Science News Archive September 2014


Page 15 of 34

Transparent larvae hide opaque eyes behind reflections

Marine species use reflectors on scales to reduce contrast with background, but tiny mantis shrimp larvae hide compound eyes behind brilliant eye reflections that match surrounding water spectrum. Lab tests show little contrast between eye reflections and environment, revealing potential role for larval eyeshine in camouflage

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.

Modern Europeans descended from three groups of ancestors

Researchers found that modern-day Europeans have ancestry from three previously unrecognized groups: hunter-gatherers, early farmers, and a newly identified group of ancient north Eurasians. This discovery shifts scientists' ideas on human migration and interaction across the globe thousands of years ago.

Recruiting bacteria to be technology innovation partners

A Harvard team has created a novel protein engineering system called BIND to engineer bacteria into living foundries for the production of biomaterials with specific functions. The researchers have demonstrated the ability to fuse multiple proteins to create multifunctional biofilms that can be programmed to perform various tasks.

Election campaign 2014: A surge in 'dark money', study says

A surge in anonymous 'dark money' is pouring into US midterm election TV ads, with conservative groups leading the pack. According to a WSU researcher, $68 million has been spent on TV ads by special interest groups, including Americans for Prosperity and Crossroads GPS.

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.

Violence rates can be halved in just 30 years, say leading experts

Global homicide rates have been declining since the mid-1990s, with an average drop of 40% in 15 years. Effective policing strategies, rehabilitation methods, and societal attitude shifts are key to reducing violence. Experts agree that global rates of violence can be halved by 2040 if the right policies are implemented.

Cape Cod saltmarsh recovery looks good, falls short

Despite visible signs of recovery, Cape Cod's saltmarshes are not fully restoring their ecosystem functions. A new study found that recovering marshes provide only partial benefits in terms of wave exposure and sediment height, while always-healthy marshes continue to offer superior coastal protection.

Nile River monitoring influences northeast Africa's future

Curtin University research monitors Nile River water volume to help 200 million North-East Africans plan for sustainable use of resources. The study uses GRACE satellite data to isolate total water storage, providing independent insights for countries to inform decision-making and reduce reliance on the river's precious water supply.

Entrepreneurs aren't overconfident gamblers

A new study by UC Berkeley's Haas School of Business finds that entrepreneurs are motivated by the fear of losing their job and security, rather than a love of risk. This loss aversion is directly linked to the amount of effort they put into starting a business.

Apple iPhone 17 Pro

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

Nanoscience makes your wine better

Researchers at Aarhus University developed a nanosensor to measure the effect of astringency in wine, allowing for better control over taste. The sensor uses salivary proteins to mimic mouth sensations, expanding understanding of astringency and its impact on wine quality.

New branch added to European family tree

A new study by Harvard Medical School and University of Tübingen reveals that present-day Europeans descend from three ancestral groups: Ancient North Eurasians, Basal Eurasians, and Near Eastern farmers. Genetic analysis found that Northern Europeans have more hunter-gatherer ancestry while Southern Europeans have more farmer ancestry.

Nemo's epic journey to find a new home

Research found clownfish larvae disperse across 400km ocean to find new homes, adapting to environmental changes. The study tracked fish migrations between two Omani coral reef populations, revealing their connectivity.

Fluke 87V Industrial Digital Multimeter

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

Five genes to predict colorectal cancer relapses

Researchers have identified 5 genes differentially expressed in normal accompanying cells of colorectal tumors. These genes can be used to classify tumors and predict patient outcomes, enabling clinicians to make informed decisions about chemotherapy treatment.

Reducing traffic congestion with wireless system

A new system, RoadRunner, uses GPS-style turn-by-turn directions to route drivers around congested roadways, yielding an 8 percent increase in average car speed. The system assigns each region a maximum number of cars and uses wireless technology to efficiently manage traffic flow.

Wild berry extract may strengthen effectiveness of pancreatic cancer drug

A study published in the Journal of Clinical Pathology suggests that adding a wild berry extract to chemotherapy cycles may improve treatment outcomes for pancreatic cancer. The researchers found that the extract induced cell death and boosted the effectiveness of the conventional drug gemcitabine.

NASA sees Tropical Storm Polo intensifying

NASA's Aqua satellite detected powerful thunderstorms around Tropical Storm Polo's center, indicating strengthening conditions. Rainfall totals of 5-10 inches expected over coastal areas in Michoacan, Colima, and Jalisco states, with life-threatening flash-floods and mudslides possible.

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.

NASA sees Odile soaking Mexico and southwestern US

Tropical Storm Odile is generating strong thunderstorms with heavy rainfall over northern Mexico and the southwestern US. Rainfall rates from TRMM satellite measurements reached almost 130 mm per hour northeast of the storm's center.

NASA sees Tropical Storm Kalmaegi weakening over Vietnam

NASA's Terra satellite captured images of Tropical Storm Kalmaegi weakening over Vietnam after making landfall on September 17. The storm caused significant damage to homes, crops, and trees in the northern Vietnamese province of Quang Ninh.

Survey finds benefits, risks of yoga for bipolar disorder

A new survey of over 70 people with bipolar disorder suggests that yoga can have a substantial impact on reducing anxiety, promoting calm, and improving emotional well-being. However, some respondents also reported potential risks, such as physical injury or pain, and the need for caution in certain practice styles.

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.

Peacock's train is not such a drag

Researchers found no significant difference in take-off performance between peacocks with and without their iconic trains. Despite initial expectations, the elaborate plumage does not seem to be a costly sacrifice for male birds. However, it may still affect flight stability and running ability.

Expedition finds Nemo can travel great distances to connect populations

Research shows that baby clownfish can travel hundreds of kilometers across the open ocean to connect distant populations, with six percent of sampled fish migrating over 400 km. The study uses DNA fingerprinting and oceanographic modeling to understand the migration patterns and their relevance for managing coral reef ecosystems.

Coral growth rate plummets in 30-year comparison

Researchers found that coral growth rates in Australia's Great Barrier Reef have declined by 40% since the mid-1970s. Ocean acidification is suspected to be a major contributor to this decline, as increased CO2 levels in the atmosphere damage coral reefs.

California's King Fire east of Sacramento

The King Fire has spread rapidly through the Pollock Pines community, fueled by hot, dry conditions and strong winds. Over 1,600 homes are currently threatened as the fire continues to grow, with mandatory evacuation orders in place for residents.

Researchers convert carbon dioxide into a valuable resource

Aalto University researchers have developed a pilot plant that converts CO2 and steel slag into PCC, a highly valuable resource. This innovative process reduces greenhouse gas emissions and minimizes waste, offering significant economic and environmental benefits for industries.

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.

CT scan is no more accurate than ultrasound to detect kidney stones

A new study published in the New England Journal of Medicine found that CT scans are no more accurate than ultrasound exams in diagnosing painful kidney stones. The study suggests that ultrasound should be used as the first step in diagnosis, avoiding unnecessary radiation exposure.

Global change: Trees continue to grow at a faster rate

A study by Technical University of Munich found that trees have accelerated their growth rate by up to 70% since the 1960s. The growth is attributed to rising temperatures, increased CO2, and nitrogen levels, which also led to a temporary slowing effect of acid rain on tree growth.

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.

Natural born killers: Chimpanzee violence is an evolutionary strategy

A study of chimpanzee aggression over five decades found that killings are not a result of human activities, but rather an adaptive tactic to eliminate rivals. The research provides strong support for the view that killing is an evolved behavior, increasing access to resources and improving survival rates.

Celestron NexStar 8SE Computerized Telescope

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

Chromosome buffers hold key to better melanoma understanding

A new study from the University of Leeds has uncovered a genetic risk factor for melanoma, with longer telomeres associated with a higher risk. The research found that individuals with shorter telomeres are at a 30% increased risk of developing melanoma.

A link between Jacobsen syndrome and autism

A recent study found that symptoms of autism were unusually common in people with Jacobsen syndrome, a rare genetic disorder affecting approximately 1 in 100,000 people. The study suggests that knowing this connection can help families investigate early intervention treatments to support their children.

Being social: Learning from the behavior of birds

A new study on monk parakeets reveals a sophisticated social structure with layers of relationships and complex interactions. The research found that parrots form strong pair bonds and have a dominance hierarchy, requiring significant cognitive skills to manage the process.

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.

Novel capability enables first test of real turbine engine conditions

A team of researchers has developed a novel capability to simulate extreme turbine engine conditions, allowing scientists to study the microstructure and internal strain in coated test blades during real operating conditions. This breakthrough could lead to improved material lifespan estimates and coatings for energy-efficient turbines.

Newborn Tropical Storm Polo gives a NASA satellite a 'cold reception'

Tropical Storm Polo is intensifying with strong thunderstorms and high cloud top temperatures near -63F/-53C, potentially generating heavy rain. The storm's center was located near latitude 12.8 north and longitude 99.4 west, with maximum sustained winds of 40 mph (65 kph) and a predicted strengthening into a hurricane by Thursday.

Nanoribbon film keeps glass ice-free

Rice University scientists have developed a transparent coating for glass that can keep surfaces free of ice and fog while maintaining radio frequency transparency. The graphene nanoribbon film, refined for consistency, retains its heat-conductive properties when applied to glass or plastic surfaces.

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.

Neuroimaging technique identifies concussion-related brain disease in living brain

A new experimental PET tracer effectively diagnoses chronic traumatic encephalopathy (CTE) while patients are still alive. The technology differentiates CTE from other forms of dementia, enabling estimates of prevalence and risk. This breakthrough improves diagnosis and treatment for athletes and others exposed to repeated head trauma.

Gene variant that dramatically reduces 'bad' lipids

A rare genetic variant in the APOC3 gene has been identified as a significant contributor to reduced triglyceride levels, associated with lower risk of cardiovascular disease. The study analyzed data from 4,000 healthy individuals and found that approximately 0.2% of the population carries this variant.

Computerized emotion detector

A new software emotion detector uses a three-phase approach to analyze facial features and associate them with emotional states, achieving a 94% success rate. The technology has the potential to enhance human-computer interactions and improve security checks at airports.

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.

Results of RIBS IV trial reported at TCT 2014

The RIBS IV trial reported that everolimus-eluting stents (EES) provide superior late angiographic results and better late clinical outcomes compared to drug-eluting balloons (DEB). EES demonstrated a larger in-segment minimal lumen diameter at nine months and higher rates of freedom from target lesion revascularization.

For electronics beyond silicon, a new contender emerges

Harvard researchers have engineered a material to perform comparably with the best silicon switches, achieving an on/off ratio of greater than 10^5. The discovery uses solid-state chemical doping and exploits chemistry rather than temperature to achieve dramatic results.

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.