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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 Highlight

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 Highlight

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.March 2015Science Highlight

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 Highlight

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 Highlight

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 Highlight

Insulator-to-Metal Transition of Vanadium Dioxide

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

Electron density distribution (indicated by both the blue and red, as areas of deficiency and excess of electrons, respectively) in barium iron arsenide for undoped/nonsuperconducting and doped/superconducting alloys.February 2015Science Highlight

New Path to Loss-Free Electricity

Atomic-scale details of electron distribution reveal a novel mechanism for current to flow without energy loss. Read More »

Schematic image indicating the inferred intertwining of the superconducting wave function (green) with the envelope function (blue) for the atomic magnetism.February 2015Science Highlight

Intertwining of Superconductivity and Magnetism

Coexistence of two states of matter that normally avoid one another is revealed by inelastic neutron scattering experiments. Read More »

A metamaterial that consists of a two-dimensional array of U-shaped gold structures (square background in the picture) efficiently emits terahertz frequency electromagnetic waves (red axis) when illuminated by a wavelength tunable near-infrared pump laser (blue axis).February 2015Science Highlight

Metamaterials Shine Bright as New Terahertz Source

Discovery demonstrates how metamaterials may be used in non-invasive material imaging and sensing, and terahertz information technologies. Read More »

Crystal structure of the parent compound of a calcium-strontium-based cuprate superconductor [(Ca/Sr)2CuO3]...February 2015Science Highlight

Predicting Magnetic Behavior in Copper Oxide Superconductors

New theoretical techniques predict experimental observations in superconducting materials. Read More »