Bluesky Facebook Reddit Email

Science News Archive September 2013


Page 10 of 32

UCLA scientists explain the formation of unusual ring of radiation in space

A team of UCLA scientists successfully modeled and explained the unprecedented behavior of a previously unknown third radiation ring around Earth. The region was found to consist of different populations driven by various physical processes, with ultra-relativistic electrons posing significant hazards to satellites.

Psoriasis drug shows promising results for treating type 1 diabetes

Researchers found that alefacept preserved the body's ability to produce its own insulin, with fewer episodes of hypoglycemia, while selectively targeting disease-causing T cells. The study suggests a potential new strategy for treating type 1 diabetes by restoring balance between immune cells.

Apple iPhone 17 Pro

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

The brain cannot be fooled by artificial sweeteners

A new study found that artificial sweeteners are less effective at reducing calorie intake because they don't provide the same energy reward as sugars. The brain prefers sugars over artificial sweeteners due to the release of dopamine, a chemical necessary for reward signalling.

Chronic aggressive behavior in boys: Epigenetic sources?

Studies published in PLOS ONE reveal epigenetic changes in boys with chronic aggressive behavior, related to the prenatal environment and self-control genes. The research suggests that these changes may be reversed through preventive intervention from an early age.

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.

Calming fear during sleep

A Northwestern University study found that fear memories can be reduced in people by exposing them to the memory over and over again while they slept. This breakthrough potentially offers a new way to enhance daytime treatment of phobias through exposure therapy with a nighttime component.

Propofol discovery may help lead to development of new anesthetics

Researchers have identified exactly how propofol interacts with brain cells to achieve a pain-free state. The study's findings may help design new versions of the drug that reduce risks and improve patient safety. By understanding how propofol works, scientists can develop alternative anesthetics with fewer side effects.

Creating electricity with caged atoms

A team of researchers at the Vienna University of Technology has created a new class of thermoelectric materials with exceptional properties. The material's unique crystal structure and trapped magnetic atoms create a high voltage when hot and cold objects are connected, making it more efficient than previous materials.

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.

Targeting memory T-cells in Type 1 diabetes

A phase II study found that alefacept treatment significantly reduced insulin use and hypoglycemic events in newly diagnosed type 1 diabetics. The therapy targeted memory T-cells, preserving regulatory T-cells.

Why do you want to eat the baby?

Researchers discovered that mothers show increased activation in the dopaminergic system of the caudate nucleus when exposed to newborn odors, a key finding suggesting biological underpinnings for maternal functions. The study's results imply a neural response linked to maternal status.

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 boost for cellular profiling

A new technique for single-cell analysis of gene expression, named Smart-seq2, has been developed to identify rare cell subpopulations in tumors. This method captures three to four times as many RNA molecules as current methods, allowing for a more granular analysis of how subtle differences contribute to biology and disease.

Smile!

A new nanotube surface could improve the success rate of dental implants by reducing infection and promoting bone growth. The technology, developed by Michigan Technological University researchers, uses titanium dioxide nanotubes to create a surface that can combat bacterial infections and promote healing.

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.

Densest array of carbon nanotubes grown to date

Researchers from Cambridge University have devised a simple technique to grow carbon nanotubes at five times higher density than previous methods, enabling the potential replacement of metal electronic components in devices such as batteries and spacecraft.

Lithosphere interprets earth

Recent studies published in Lithosphere explore the tectonic history of ancient mountain chains, including the Central Iberian Massif, Arctic Alaska, and the Wet Mountains of Colorado. These findings shed light on the deformation mechanisms and crustal-scale magmatism across these regions.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Promising new alloy for resistive switching memory

Researchers in Singapore create conductive nano-filaments in amorphous titanium dioxide thin films for resistive switching applications. The high density of uniformly distributed nano-filaments implies the possibility of making high-density memory cells, offering great advantages over current technology.

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.

NASA HS3 mission reveals Tropical Storm Humberto's hybrid core

The NASA HS3 mission has revealed that Tropical Storm Humberto had a hybrid core structure, characterized by both warm and cold cores at different levels. This discovery provides new insights into the processes underlying hurricane formation and intensity change in the Atlantic Ocean basin.

Personality a key factor in health care use

Researchers found that certain personality characteristics, such as neuroticism and openness to experience, are correlated with increased use of expensive health care services like emergency room visits and nursing home stays. By understanding these patterns, healthcare providers can develop targeted interventions to reduce costs and i...

New rat genus discovered in the birthplace of the theory of evolution

A new genus of rat has been discovered in the Halmahera Island of Indonesia, highlighting the large amount of unknown biodiversity in the region and its conservation importance. The species, named Halmaheramys bokimekot, features unique characteristics and supports Wallace's idea of an important faunal breakup in this region.

Meta Quest 3 512GB

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

The higher the better?

Researchers analyzed data from four randomized trials to determine the most effective high-intensity training programme for CHD patients. VO2max increased by 11.9% after an average of 23.4 training sessions, with intensity above 92% HRmax showing greater effects.

Arctic sea ice minimum in 2013 is sixth lowest on record

The Arctic sea ice minimum extent for 2013 reached 1.97 million square miles, the sixth lowest on record, due to a late start of the melt season and cooler temperatures. The remaining sea ice cover is much thinner than it was in previous decades, with an average thickness of only 6.2 feet.

Virginia Tech scientists show why traumatized trees don't 'bleed' to death

Researchers used a special microscope to reveal how nanostructures contain damage within microscopic cavities, allowing trees to seal off damaged cells. The bordered pits are filled with a mesh membrane of nanofibrils that radiate from a thickened central region, controlling sap flow and protecting trees.

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.

University of Calgary launches Institute for Quantum Science and Technology

The University of Calgary has launched the Institute for Quantum Science and Technology (IQST), a unit dedicated to research, training, and outreach in quantum science. The IQST will focus on key research themes such as quantum optics, quantum information, and nanotechnology, with a goal of advancing transformative technology.

Gap closed in the genetic map of kingdom fungi

Researchers have closed the genetic map of the fungal kingdom by sequencing the genome of Pyronema confluens, a basal filamentous ascomycete. The study reveals key differences between this species and higher ascomycetes, shedding light on the evolution of mating type genes and light-activated processes.

Getting rid of unwanted visitors

Researchers discovered that Baka pygmies have a low incidence of Helicobacter pylori infection, contradicting the assumption of an ancient bacterial population. The bacteria instead appear to be recent re-infections from neighboring populations.

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.

Preventing and improving treatment of Alzheimer's disease

A new research chair will focus on developing innovative strategies for preventing and treating Alzheimer's disease, including early detection tools and less toxic therapeutic molecules. The goal is to improve patient quality of life and alleviate symptoms rather than control the disease.

Microfluidic platform gives a clear look at a crucial step in cancer metastasis

Researchers developed a microfluidic device to study cancer cell extravasation, the process by which cells escape blood vessels. The device revealed that most arrested cells are trapped and eventually squeeze through, with their nuclei escaping even earlier than expected. Understanding this process can help identify therapies to preven...

Geoscience Workforce Currents #75 and #76

The American Geosciences Institute released two reports on the effects of a workshop for underrepresented minority individuals seeking careers in academia. The workshop exposed attendees to federal-level resources, professional societies' offerings, and leadership opportunities, leading to positive changes in their behavior.

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.

Bold idea for 'big data'

Rice University researchers are developing a customized, energy-efficient optical network called BOLD to handle the growing amounts of data in various scientific fields. The new network will utilize optical switches with high capacity and low power consumption, enabling faster processing and analysis of large datasets.

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.

TRMM satellite sees system 98W organizing near Guam, Marianas

The TRMM satellite has observed heavy rainfall and banding of thunderstorms around System 98W in the northwestern Pacific, indicating potential consolidation into a tropical depression. The system is expected to become a tropical depression within 24 hours as it moves northwards.

Lifestyle influences metabolism via DNA methylation

Researchers analyzed blood samples from over 1800 participants and found that specific DNA segments were associated with altered metabolic processes. The study provides new insights into how lifestyle factors impact metabolism via epigenetic changes.

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.