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Science News Archive November 2014


Page 22 of 31

Too many people, not enough water: Now and 2,700 years ago

Researchers connect ancient clay tablet data to climate records, suggesting that drought and overpopulation weakened the empire's economy and destabilized its political system. The study draws parallels between the Assyrian Empire's collapse and contemporary issues in the region, highlighting the importance of considering long-term sus...

Microbot muscles: Chains of particles assemble and flex

University of Michigan researchers demonstrate how chains of self-assembling particles can form and extend when exposed to an alternating electric field. This innovation could enable electronics that rewire on demand and pave the way for development of tiny, mobile robots with potential applications in medicine and manufacturing.

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.

Mapping reveals targets for preserving tropical carbon stocks

A new high-resolution mapping strategy has identified opportunities to preserve tropical carbon stocks in the fight against climate change. The approach prioritizes carbon conservation efforts throughout tropical countries and provides detailed information on landscape characteristics.

Obesity plays major role in triggering autoimmune diseases

A recent Tel Aviv University study found that obesity leads to a breakdown of the body's protective self-tolerance, creating an environment for autoimmune diseases. The research also highlights the importance of vitamin D supplements in alleviating symptoms and improving prognosis for patients with multiple sclerosis.

Apple iPhone 17 Pro

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

In developing countries, child-mortality rates fell most among poorest families

A new study found that child-mortality rates declined the fastest among the poorest families in developing countries, resulting in a narrowing gap between wealth groups. The study also identified four factors contributing to this convergence: government effectiveness, rule of law, corruption control, and regulatory quality.

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.

Playing action video games can boost learning

A new study reveals that playing action video games boosts learning capabilities by fostering better templates in the brain. Action gamers excel at tasks due to their improved ability to build and fine-tune models of the world, leading to accelerated learning curves and lasting effects.

For enterics, adaptability could be an Achilles heel

Researchers from RIKEN found that a subtle change in the Lon enzyme allows bacteria to quickly adapt between low-oxygen gut environments and high-oxygen outside conditions. This discovery could lead to new therapeutic targets for enteric diseases.

Archaeologists discover remains of Ice Age infants in Alaska

The discovery of two Ice Age infant remains at the Upward Sun River site in Alaska offers a rare glimpse into the lives of early human societies. The burials, dated to around 11,500 years ago, include grave offerings such as hafted compound weapons and provide insights into funeral practices and social organization.

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.

Termite of the sea's wood destruction strategy revealed

Researchers have discovered a novel enzyme production strategy in shipworms that breaks down wood, shedding light on the potential for these bivalves to produce biofuels. The study's findings could provide valuable insights and tools for biomass-based industries.

A billion holes can make a battery

Researchers at the University of Maryland have invented a single structure that combines all components of a battery, enabling miniaturization of energy storage. The tiny battery can be fully charged in 12 minutes and recharged thousands of times, making it a promising innovation for future devices.

Chicago Biomedical Consortium announces $3 million Infrastructure Initiative

The Chicago Biomedical Consortium is launching a $3 million Infrastructure Initiative to promote investment in high-impact scientific equipment at its member universities. The initiative aims to make modern instrumentation available to the CBC research community, enabling them to stay at the forefront of biomedical discovery.

New effective, safe and cheap treatment strategy for rheumatoid arthritis

A new drug combination for rheumatoid arthritis treats the disease just as well as other intensive treatment strategies but with less medication and fewer side effects. The COBRA Slim strategy, which calls for the least amount of medication, had half as many side effects as the two other strategies and was just as effective.

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.

U-M students complete Detroit's first comprehensive greenhouse gas inventory

The University of Michigan student researchers compiled a comprehensive citywide greenhouse gas inventory for Detroit, highlighting key emission sources and areas for improvement. The report shows that energy use in buildings accounts for nearly two-thirds of the city's emissions, with exhaust from cars contributing to about 30%.

Researcher sees laptop-cooling technology as way to less-thirsty power plants

A researcher at the University of Kansas is exploring a new way to cool power plants using laptop-cooling technology, which could save freshwater and reduce costs. The approach involves using closed thermosyphons, which are commonly used in laptop computers to keep them cool, but have not been scaled up for use in power generation.

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.

The brain's 'inner GPS' gets dismantled

Researchers at University of California, San Diego, have removed the brain area responsible for spatial navigation in rats, showing that other memory abilities remain intact. The study provides insights into Alzheimer's disease and stroke effects on the brain's navigational system.

Statins reverse learning disabilities caused by genetic disorder

Researchers discovered that statins can reverse the learning deficits caused by Noonan syndrome, a genetic disorder affecting 1 in 2,000 people. The treatment works by reducing Ras activity, allowing brain cells to communicate properly and enabling normal learning to take place.

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.

A greasy way to take better protein snapshots

Researchers at RIKEN developed a new technique to analyze protein structures by suspending crystals in a greasy substance, enabling the use of smaller samples and faster data collection. This breakthrough could lead to improved understanding of dangerous proteins, such as those containing mercury.

Breakthrough shows how the 'termites of the sea' digest wood

A team of researchers has discovered a novel digestive strategy in shipworms, which could be a game-changer for the industrial production of clean biofuels. The study found that shipworms use enzymes made by symbiotic bacteria stored in their gills to break down wood for nutrition.

Lighter, cheaper radio wave device could transform telecommunications

Researchers at the University of Texas at Austin have created a radically smaller, more efficient radio wave circulator that could double useful bandwidth in wireless communications. The new circulator enables full-duplex functionality, allowing devices to transmit and receive signals on the same frequency band simultaneously.

Re-learning how to read a genome

A recent study suggests that genes and regulatory elements share a common architecture in their reading processes, with the main differences occurring after the initial step. This unified model could provide insight into how genes evolve and shed light on the evolutionary origins of new genes.

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.

Heat transfer sets the noise floor for ultrasensitive electronics

A team of engineers and scientists has identified a source of electronic noise that could impact the functioning of instruments operating at very low temperatures. At around 20 kelvins, phonon modes become deactivated, allowing high-energy phonons to carry away heat and causing devices to heat up.

We are not alone

A new UCSB study reveals that a fungal pathogen in amphibians disrupts the skin microbiome, leading to dramatic changes in bacterial communities. The research has significant implications for understanding infectious disease dynamics and developing responses to diseases causing amphibian extinction.

IU biologists collaborate to refine climate change modeling tools

A new climate model simulates global carbon cycle interactions between plants and microbes, revealing a loss of soil carbon stocks in temperate regions due to increased microbial activity. The CORPSE model predicts gains in soil carbon capture in boreal regions and tropical South America.

'Darting' mice may hold clues to ADHD, autism and bipolar disorder

A transgenic mouse with a rare human genetic variation in the dopamine transporter protein may lead to improvements in ADHD, autism and bipolar disorder diagnosis and treatment. The mice exhibit unusual "darting behavior," which could be related to impulsivity and abnormal dopamine release.

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.

Anxiety can damage brain

A new study found that anxiety symptoms in individuals with mild cognitive impairment (MCI) increase the risk of a faster decline in cognitive functions and accelerate brain damage, independent of depression. MCI patients with moderate or severe anxiety had a 33%, 78%, and 135% increased risk of Alzheimer's, respectively.

Researchers discover new target for blood cancer treatment

Scientists have identified a new therapeutic target, Mpl, which could lead to the development of novel treatments for myeloproliferative neoplasms (MPNs). The study found that reducing the expression of Mpl in laboratory models can prevent the development of mutant JAK2 disease.

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.

Sweet music or sour notes? The test will tell

The Seattle Singing Accuracy Protocol (SSAP) measures how well people handle the translation from listening to singing. The program assesses individual singers' ability to match specific tones and melodies, providing a tool for early music education programs and researchers studying musical ability.

How cartilage cells sense forceful injury

Cartilage cells have multiple sensory systems that respond to mechanical strain, leading to cell death. Researchers found two ion channels, Piezo1 and Piezo2, that are critical for sensing forceful injury, and a substance from tarantula venom extract can block these channels, preventing cell death.

Astronomers dissect the aftermath of a supernova

Researchers have used radio telescopes in Australia and Chile to observe the remnant of Supernova 1987A, providing insights into the explosion's aftermath. The team has also developed a three-dimensional simulation that reproduces observed features, including the persistent one-sidedness in radio images.

Good vibrations give electrons excitations that rock an insulator to go metallic

Researchers at Oak Ridge National Laboratory quantify thermodynamic forces driving metal-insulator transition in vanadium dioxide, finding phonons and atomic vibrations control phase stability. The discovery has implications for multifunctional materials, including colossal magnetoresistors, superconductors, and ferroelectrics.

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.

A new species of nocturnal gecko from northern Madagascar

A new species of nocturnal gecko, Paroedura hordiesi, has been discovered in northern Madagascar with a unique camouflage pattern to blend into its environment. The species is classified as Critically Endangered due to habitat loss and degradation.

Meta Quest 3 512GB

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

Queensland research helping reduce road fatalities in China

A Queensland University of Technology study found that over 70% of people in two Chinese cities are unaware of the blood alcohol limits for driving. The new laws have led to a drop in alcohol-related crashes, but limited awareness may contribute to offending rates.

Of gods and men

A new study from NESCent suggests that societies with less access to food and water are more likely to believe in moralizing, high gods. Belief in these types of deities is strongly associated with political complexity and the practice of animal husbandry.

Baby photos of a scaled-up solar system

Researchers have discovered two young stars with analogues to our solar system's asteroid and Kuiper belts, surrounded by a large dust halo. These findings suggest a common model for planetary formation and evolution, providing insight into the early stages of star formation and planet creation.

New materials yield record efficiency polymer solar cells

Researchers have found that temperature-controlled aggregation in new semi-conducting polymers enables high-efficiency organic solar cells with efficiencies up to 10.8%, paving the way for mass production and a commercially viable alternative source of energy.

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.