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Science News Archive September 2023


Page 36 of 37

Key role of epigenetic information in stem cell function unveiled

A groundbreaking study from the University of Copenhagen sheds light on the significance of transmitting epigenetic information during cell division for proper function of embryonic stem cells. The researchers found that histones play a crucial role in maintaining epigenome stability and cell identity.

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.

Improving organic solar cell efficiency through molecular engineering

Researchers found that adding OEG-based side chains to polymer donors enhances the hydrophilicity of the material, improving interactions between the donor and small molecule acceptors. This leads to improved power conversion efficiency and device stability in non-halogenated processing solvents.

Children with higher BMI at increased risk of developing depression

Research from King's College London found that children between ages 12 and 16 with a higher body mass index (BMI) are at an increased risk of developing depression symptoms. The study also showed that there is a stronger association for children with a higher BMI at an early age to develop depression at a later age.

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.

Pharmacy discount card programs like Amazon Prime and GoodRx gold could save patients millions of dollars in out-of-pocket costs for commonly prescribed generic medications

A nationally representative study found that at least one out of five prescriptions for commonly prescribed generic medications were cheaper through Amazon Prime or GoodRx Gold discount cards compared to actual out-of-pocket payments made by patients. The findings highlight the disproportionately higher frequency of out-of-pocket payme...

New study uncovers the Causes of the Qing Dynasty's Collapse

A new study by the Complexity Science Hub has pinpointed three main drivers of the Qing Dynasty's collapse: population explosion, elite competition, and financial burden. These factors culminated in a series of uprisings that led to the dynasty's downfall despite being wealthier than modern-day China.

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.

Most species are rare. But not very rare

Researchers analyzed data from the Global Biodiversity Information Facility and found a universal pattern of species abundance distributions, with most species being rare but not extremely rare. The study's findings may help answer Darwin's question about why some species are common while others are rare.

Pioneering research sheds surprising new light on evolution of plant kingdom

A new study has uncovered that plants evolved gradually over time, with episodic bursts of innovation to overcome environmental challenges. The research found that changes in plant anatomy occurred in association with events where the entire cellular genetic make-up was doubled, likely due to errors in genome-copying.

Atomically-precise quantum antidots via vacancy self-assembly

Scientists fabricate QADs with engineered quantum hole states, exhibiting novel transport properties and unique quantum phenomena. The structures' robustness against environmental influences enables exploration of novel quantum phenomena and material technologies.

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.

Large herbivores keep invasive plants at bay

A new study shows that large herbivores can protect local nature by eating and trampling on invasive plant species. Native plants have evolved to withstand the treatment of these herbivores, while invasive plants usually cannot.

Flexible solar cell achieves major power conversion efficiency gains

Researchers at Chinese Academy of Sciences Headquarters have developed flexible solar cells with efficiencies comparable to conventional solar cells. They achieved significant power conversion efficiency gains by optimizing the material composition and guest component location in ternary organic solar cells.

Farms that create habitat key to food security and biodiversity

Research finds that smaller farms with varied crop types and forest patches support many bird species typically found in forests, even as populations decline in forests. Diversified farming can be crucial for preserving biodiversity and its benefits, including ecosystem services such as pest control and pollination.

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.

Wood modification boosts biomass conversion

Scientists have engineered trees to be easier to disassemble into simpler building blocks using callose-enriched wood. This approach increases the efficiency of converting woody plant biomass to fuel and other useful products.

How to inactivate common cold viruses

RSV virus remains infectious on surfaces for up to seven days, emphasizing the need for regular disinfection. Effective hand sanitizers with at least 30% alcohol content can inactivate the virus.

Better cybersecurity with new material

Researchers at Linköping University develop a new type of quantum random number generator based on perovskite light emitting diodes, providing improved randomness and security. The technology has the potential to be cheaper and more environmentally friendly than traditional methods.

Apple iPhone 17 Pro

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

Growing evidence supporting the protein leverage hypothesis

The protein leverage hypothesis proposes that a decrease in protein intake due to modern diets drives increased energy consumption. Research supports this idea, showing how protein appetite interacts with processed foods and life stage changes to increase the risk of obesity.

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.

A double barrier design proposed to enhance the tunneling electroresistance

Researchers proposed a double barrier structure to enhance tunneling electroresistance in ferroelectric tunnel junctions, achieving a TER ratio of 2.210×10^8% in DB-FTJs, outperforming single barrier designs by three orders of magnitude. The design enables multiple resistance states through controlled polarization of individual barriers.

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.

Hot Jupiter blows its top

Researchers used 3D simulations on Stampede2 to model the flow of HAT-P-32b's atmosphere, revealing a gigantic helium gas tail. The planet is losing significant atmospheric mass, which could help explain the mystery of intermediate-mass planets.

Invasive spotted lanternfly may not damage hardwood trees as previously thought

New research by Penn State suggests that hardwood trees such as maple, willow and birch are unlikely to see significant impacts from the sap-feeding spotted lanternfly. The study found that increased feeding pressure resulted in reduced growth during the first two years, but native trees recovered when feeding was less intense.

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.

Precarious employment conditions can increase risk of early death

A Swedish study found that precarious employment conditions increase the risk of early death, with workers who shifted to standard employment experiencing a 20% lower risk of mortality. The study used registry data from over 250,000 workers and found that job security is crucial in reducing premature deaths.

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.

Researchers find Antarctic ice shelves thinner than previously thought

A new study published in the Journal of Glaciology suggests that prior attempts to evaluate the mass of Antarctic ice shelves may have overestimated their thickness. The researchers found that on average, the Antarctic ice shelves are nearly 6% thinner than previously assumed, a difference of about 17 meters.

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.

Anode models for green hydrogen production

The study focuses on minimizing costs associated with electrolyser fabrication and operation. It aims to enhance our understanding of structure-reactivity relationships for a rational electrocatalyst design. The research uses crystalline mixed thin film oxide anodes, exploring various Co:Fe ratios.

$26M NIH grant addresses environmental influences on child health

Researchers at Michigan universities and institutions will continue studying environmental factors during pregnancy and early childhood, aiming to understand their impact on health outcomes. The study aims to identify ways to mitigate and improve child health from birth through adolescence.

Flowering for naught: 120 years with nothing to show

Researchers found that over 80% of the bamboo's flowering culms did not produce viable seeds, indicating a lack of sexual regeneration via germination. This may lead to widespread ecological changes and loss of a valuable resource.

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.

New research explains “Atlantification” of the Arctic Ocean

A team of scientists has identified a key factor contributing to the stalled trend in Arctic Ocean sea ice loss since 2007. The researchers found that changes in atmospheric circulation patterns, known as the Arctic dipole, drive freshwater from Siberian rivers into the Canadian sector of the Arctic Ocean.

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.

Roadmap drafted for research into metallic ‘sponges’ for clean hydrogen

Metal organic frameworks (MOFs) are being explored as a game-changer for efficient photocatalytic water splitting, which is crucial for clean hydrogen production. With their unique structural properties and high surface area, MOFs can enhance the efficiency of this process by absorbing sunlight and providing more active sites for chemi...

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.