News Archives

Palladium-nickel nanoparticles (top structural model) are synthesized and then exposed to reactive gases (lower right) while being probed with high-energy x-rays.03.01.15Science Highlights

Optimizing Atomic Neighborhoods for Speedier Chemical Reactions

Clusters with longer separations between atoms had enhanced catalytic activity. Read More »

Researchers have combined measurements of plant production, bacterial and fungal carbon decomposition, and soil carbon stocks to study the effects of rising carbon dioxide on long-term carbon storage in soils.03.01.15Science Highlights

Increased Atmospheric Carbon Dioxide Limits Soil Storage

Study finds that soil carbon may not be as stable as previously thought. Read More »

Climate researchers are studying ways to more accurately model the Madden-Julian Oscillation, a large-scale atmospheric circulation pattern associated with rainfall and drought across the tropics, including Indonesia, (shown here).03.01.15Science Highlights

Heat’s Role in the Madden-Julian Oscillation

Study shows low-level atmospheric heating is critical for realistic MJO simulations. Read More »

In the Community Land Model with coupled carbon and nitrogen cycles (CLM-CN), the carbon and water coupling in leaf-level photosynthetic processes was not linked to nitrogen limitation.03.01.15Science Highlights

Model Captures How Nitrogen Limitation Affects Hydrological Processes

Refinement addresses previous inaccuracies in plant growth from elevated carbon dioxide in Community Land Model. Read More »

Researchers investigated the sensitivity of net radiative fluxes at the top of the atmosphere to 16 parameters related to cloud and aerosol representations in the Community Atmosphere Model version Highlights

Examining How Radiative Fluxes Are Affected by Cloud and Particle Characteristics

New insights improve Community Atmosphere Model’s representation. Read More »

Illustration of the catalytic oxygen reduction reaction on the surface of platinum-nickel nanoframes with multilayered platinum skin structure.03.01.15Science Highlights

Multimetal Nanoframes Improve Catalyst Performance

Concentrating noble-metal catalyst atoms on the surface of porous nano-frame alloys shows over thirty-fold increase in performance. Read More »

To better understand the complex processes involved in wood formation, researchers have developed a new method to study genetic regulatory mechanisms in poplar, a potential bioenergy feedstock (shown here).03.01.15Science Highlights

Genetics of Wood Formation

Researchers identify genetic regulatory networks that influence poplar wood formation, a key bioenergy plant. Read More »

Changes in the crystal structure and electronic properties of vanadium dioxide (VO2) occur during its insulator-to-metal phase transition (V blue; O red).03.01.15Science Highlights

Insulator-to-Metal Transition of Vanadium Dioxide

New studies explain the transition, providing a quantitative picture of a 50-year-old mystery. Read More »

Comparison of bioethanol production strategies, including second-generation consolidated bioprocessing, a single-step process in which a microbe breaks down unpretreated cellulosic biomass and converts the resulting sugars into fuel.03.01.15Science Highlights

Microbe Produces Ethanol from Switchgrass Without Pretreatment

Genetic engineering allows biomass-degrading bacterium to make fuel in a single process. Read More »

A glacier in eastern Greenland flows through a long and narrow valley carved by the movement of ice.03.01.15Science Highlights

New Method Relates Greenland Ice Sheet Changes to Sea-Level Rise

Modeling approach includes the effects of ice sheet elevation and region. Read More »

Last modified: 11/20/2013 6:03:07 AM