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Illustration of the catalytic oxygen reduction reaction on the surface of platinum-nickel nanoframes with multilayered platinum skin structure.March 2015Science 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 »

Palladium-nickel nanoparticles (top structural model) are synthesized and then exposed to reactive gases (lower right) while being probed with high-energy x-rays.March 2015Science Highlights

Optimizing Atomic Neighborhoods for Speedier Chemical Reactions

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

Depiction of carbon nanotube (gray) inserted into a cell membrane, with a single strand of DNA (gold) passing through the nanotube.March 2015Science Highlights

Spontaneous Formation of Biomimetic, Nanoporous Membrane Channels

Carbon nanotubes insert into artificial and active cell membranes, reproducing major features of biological channels. 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).March 2015Science 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.March 2015Science Highlights

Microbe Produces Ethanol from Switchgrass Without Pretreatment

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

Researchers are seeking to understand the chemical processes leading to secondary organic aerosol formation from isoprene compounds emitted by many species of trees including eucalyptus (shown here).March 2015Science Highlights

Competition Not Concentration Matters when Forming Cloud-Influencing Aerosols

Nitrogen oxide has nonlinear effects on the volatility and composition of SOA based on isoprene emitted by trees. Read More »

Scientists have developed a new approach that uses sophisticated mathematical solutions to improve computational simulations of ecosystem water processes.March 2015Science Highlights

New Mathematical Method Enhances Hydrology Simulations

Approach uses land-atmosphere observations to calibrate model. Read More »

A glacier in eastern Greenland flows through a long and narrow valley carved by the movement of ice.March 2015Science 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 »

Data collected from the Atmospheric Radiation Measurement Climate Research Facility’s Southern Great Plains site (shown here) was used to evaluate and compare climate model simulations of precipitation.March 2015Science Highlights

Comparing Climate Models to Real World Shows Differences in Precipitation Intensity

Understanding the differences and similarities will help improve how models represent storm clouds and other convective processes. 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 5.March 2015Science Highlights

Examining How Radiative Fluxes Are Affected by Cloud and Particle Characteristics

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

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