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Simple math sheds new light on a long-studied biological process

Researchers applied simple math to a long-studied biological process, finding that catabolite repression is controlled by the difference between glucose and other essential nutrients. This discovery demonstrates the power of quantitative biology in elucidating complex biological processes.

Direct nitrogen fixation for low cost energy conversion

Researchers at UNIST have created a novel method for direct nitrogen fixation using ball-milling graphite in the presence of nitrogen gas. This process enables the production of nitrogen-doped graphene nanoplatelets, which can enhance energy conversion efficiency in solar cells and fuel cells.

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.

Nanomaterial to help reduce CO2 emissions

Researchers have developed a new nanomaterial that can separate carbon dioxide from nitrogen in flue gas mixtures, reducing CO2 emissions from coal-fired power stations. This material has remarkable selectivity and is energy-efficient, allowing for easy regeneration and reuse.

Getting to the root of the matter

Scientists identified a network of genes that promote root growth in low-nitrogen conditions, making them suitable for sustainable biofuel production. The discovery provides new insights into the genetic mechanisms underlying plant development and could lead to the creation of nitrogen-efficient crop varieties.

Greenhouse gas likely altering ocean foodchain

A new study suggests that increased atmospheric CO2 levels are altering the types of nitrogen-fixing cyanobacteria in the ocean, with implications for ocean productivity and fisheries. The research found that certain strains of these bacteria thrive in high CO2 environments, while others may struggle to survive.

Diamond catalyst shows promise in breaching age-old barrier

Researchers at the University of Wisconsin-Madison have developed a diamond catalyst that efficiently converts nitrogen to ammonia under ambient conditions. The new technique, which uses synthetic industrial diamond, reduces energy consumption by up to 2% compared to traditional methods.

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.

Study of oceans' past raises worries about their future

A global study of ocean nitrogen cycle changes at the end of the last ice age confirms the oceans' ability to balance on a global scale. However, the data suggests it is a slow process that may take centuries or millennia, highlighting concerns about current rapid changes.

The science of yellow snow

Research by Michigan Technological University scientists found a strong relationship between deer waste and plant growth in eastern hemlock stands. This can lead to the transition of hemlock stands to hardwood species that provide scant winter cover.

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.

Microbes capture, store, and release nitrogen to feed reef-building coral

Coral-building microbes have been found to capture, store, and release nitrogen to feed reef-forming corals. The microbes' ability to store excess nitrogen in crystal form allows them to regulate the amount of nutrients available to the coral host, enabling it to thrive in low-nitrogen environments.

What's old is new again

A UC Riverside engineer is exploring a nearly century-old manufacturing technique to strengthen tiny titanium-based medical devices, which could lead to significant improvements in their performance and reliability. The technique, known as gas nitriding, involves heating the device in a nitrogen atmosphere to increase its strength.

Strengthening legumes to tackle fertilizer pollution

Researchers at Argonne National Laboratory and Technical University of Madrid create model for iron transportation in legumes to enhance nitrogen fixation. This breakthrough aims to lessen reliance on nitrogen fertilizers and promote sustainable agriculture practices.

Nitrogen has key role in estimating CO2 emissions from land use change

A global-scale modeling study finds that carbon emissions from human activities on land were 40% higher in the 1990s due to nitrogen's limiting effect on plant growth. This underestimation has significant implications for international policy, requiring deeper emission cuts to meet mitigation targets.

Cheers to better beer and disease resistance

Scientists at the John Innes Centre revived a classic heritage barley variety called Chevallier, which has shown valuable disease resistance. The new barley is set to improve beer production by preventing contamination with mycotoxins, leading to better-tasting beers like Porter and India Pale Ale.

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.

Biodiesel algae: Starvation diets damage health

Research from the University of Sheffield found that starving algae of key nutrients like nitrogen can actually decrease overall oil yield. Increasing cell density also boosts productivity, contrary to previous expectations.

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.

Improving climate protection in the agricultural sector

A study developed a new model to improve climate balance in agriculture by identifying key factors contributing to greenhouse gas emissions and energy inefficiencies. Organic farming strategies, such as planting legumes and using soil less intensively, show promise for reducing emissions and improving yields.

Benefits of Bt corn go beyond rootworm resistance

Bt corn has higher yields and uses nitrogen more efficiently due to its healthy root system, leading to increased production and potential changes in management practices. This study demonstrates the benefits of Bt corn beyond rootworm resistance.

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.

New, cost-cutting approach to formulating pest-killing fungi

Researchers at the US Department of Agriculture have discovered a new method for producing insect-killing fungi, which significantly reduces production costs and increases yields. The liquid culture fermentation process uses less expensive nitrogen sources, making it a more cost-effective alternative to traditional methods.

Salmon runs boom, go bust over centuries

New research reveals that salmon stocks varied greatly on centuries-long time cycles, with fluctuations lasting up to 200 years. The study found that natural variations in salmon abundance were as large as those due to human harvests, and that some regions showed different changes over time.

Lower nitrogen losses with perennial biofuel crops

A University of Illinois study found that perennial biofuel crops such as miscanthus can greatly reduce nitrogen losses in the environment. The crops showed high efficiency in reducing nitrate leaching and nitrogen oxide emissions, making them a promising alternative to traditional corn-based ethanol production.

Fluke 87V Industrial Digital Multimeter

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

USDA patents method to reduce ammonia emissions

USDA researchers have developed a method to capture and recycle ammonia from livestock waste, reducing harmful emissions and concentrating nitrogen for fertilizer. The system uses gas-permeable membranes, achieving an average removal rate of 45-153 mg/liter per day.

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.

Excess nitrogen fertilizer increasing warming in China

Reducing nitrogen fertilizer use by 60% in over-fertilized areas could substantially decrease greenhouse gas emissions without affecting crop productivity. The study found that N2O emissions have become the dominant factor in China's warming effect, surpassing the cooling effects of CO2 uptake.

Unusual symbiosis discovered in marine microorganisms

Researchers found a unique partnership between tiny algae and specialized bacteria that fix nitrogen from the atmosphere, supporting the oceans' fertilization and contributing to global carbon cycles. The discovery provides insights into an early stage in photosynthesis evolution, analogous to chloroplasts in plants.

Australian shipping emissions identified

A recent study by CSIRO and Australian Maritime College reveals that ship engine exhaust emissions account for over a quarter of nitrogen oxide emissions in the Australian region. These non-greenhouse gases can affect air quality near coastal regions and have consequences for human health and amenity.

Apple iPhone 17 Pro

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

Unraveling intricate interactions, 1 molecule at a time

Researchers from Columbia University successfully characterized van der Waals interactions in gold-molecule-gold junctions at the single-molecule level. This discovery opens up possibilities for designing and optimizing organic electronic devices with greater efficiency.

How much nitrogen is fixed in the ocean?

A new study in Nature confirms an improved method for measuring nitrogen fixation in the ocean, revealing rates that are between 62 and 600 percent higher than previously measured. The findings leave a gap in the nitrogen budget due to incomplete knowledge of microorganisms responsible for these processes.

Early weaning, DDGS feed could cut costs for cattle producers

Researchers at Purdue University found that early weaning can help maintain gains and improve meat quality when fed distillers dried grains with solubles (DDGS). Cattle fed DDGS diets showed a 2.5% decrease in carcass weight but maintained average daily gain and intake.

Celestron NexStar 8SE Computerized Telescope

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

The American Society for Microbiology honors Bess B. Ward

Bess B. Ward has received the 2012 Procter & Gamble Award in Applied and Environmental Microbiology for her sustained influence on marine microbiology and contributions to understanding nitrogen cycling processes in low-oxygen regions of the ocean.

En route to a quantum computer

Researchers are working on developing a scalable quantum computer using electron spins and nitrogen-vacancy centers in diamonds. The goal is to overcome the limitations of silicon technology, enabling complex quantum calculations.

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.

Modern hybrid corn makes better use of nitrogen, study shows

A recent study by Purdue University researchers found that modern hybrid corn varieties are more efficient in using nitrogen, producing more grain per pound of accumulated nitrogen. Grain yields have increased by an average of 28 bushels per acre over the past 21 years, despite a slight increase in total nitrogen uptake.

Drastic changes needed to curb most potent greenhouse gas

A new study suggests that reducing nitrous oxide (N2O) emissions from the industrial and agricultural sectors by 50% is crucial to meet the IPCC's most aggressive strategy for climate change mitigation. The study found that a 50% reduction in meat consumption per person is necessary to stabilize atmospheric N2O concentrations.

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.

Fertilization by invasive species threatens nutrient-poor ecosystems

Biologists at Bielefeld University have developed a new method to quantify the impact of non-native species on ecosystem functioning. The study found that invasive species like the Sydney Golden Wattle can fertilize surrounding soil with nitrogen, extending beyond their occupied area and affecting native plants.

In forests, past disturbances obscure warming impacts

A study published in the Proceedings of the National Academy of Sciences found that past disturbances, such as logging, can obscure the effects of climate change on forest ecosystems. Researchers used decades-long data from the Hubbard Brook Experimental Forest to uncover a complex legacy left by these historical events.

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.

Oxygen molecule survives to enormously high pressures

Researchers found oxygen molecules remain stable up to 1.9 terapascals, then polymerize, showing unique electrical conductivity patterns. The molecule's behavior is influenced by its double covalent bond and lone pairs, which repel other molecules and hinder polymerization.

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.

Team finds natural reasons behind nitrogen-rich forests

A team of scientists has discovered that high levels of nitrogen in tropical forests are caused by natural interactions between the forest and nutrient cycles. The study found evidence of large losses of bioavailable nitrogen from plant-soil interactions, not directly from atmospheric deposition.

Solutions for a nitrogen-soaked world

The report explores complex consequences of excess nitrogen on ecological communities, human health, and agriculture. Strategies to maximize efficient use of fertilizer and mitigate agricultural sources are also presented.

Remote wilderness polluted by humans

A comprehensive study of 36 lakes in the USA, Canada, Greenland, and Svalbard reveals that biologically active nitrogen from human sources can be traced back to the end of the 19th century. The rate of change has accelerated over the past 60 years, coinciding with the commercialization of artificial fertilizer production.

Researchers assess effects of a world awash in nitrogen

A recent study found that humans have doubled the rate of nitrogen inputs into global ecosystems since the industrial era, with significant effects on water quality and coastal marine fisheries. The increased nitrogen levels can lead to reduced water quality, economic costs and even impact human sustainability.

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.

Artichokes grow big in Texas

A new study by Texas AgriLife Research found that artichoke yield and quality are optimized through differential irrigation regimes and nitrogen fertilizer rates. The researchers recommend approximately 700 mm of water inputs and 120 kg/ha or less of N for high marketable yields and optimal nutritional quality.

Graphene foam detects explosives, emissions better than today's gas sensors

Rensselaer Polytechnic Institute researchers developed a graphene foam sensor that detects ammonia and nitrogen dioxide at concentrations as low as 20 parts-per-million, outperforming commercial gas sensors. The new technology is flexible, rugged, and reusable, making it suitable for various industrial applications.

New projection shows global food demand doubling by 2050

A new projection shows global food demand doubling by 2050, which could lead to significant environmental issues if not addressed. Increasing yield in poorer countries through adapted high-yielding technologies and efficient nitrogen fertilizers usage can help mitigate these effects.