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During a 10-month ARM experiment in India’s Ganges Valley, instruments including a Doppler lidar (shown here) collected measurements of various atmospheric dynamics, cloud properties, and radiative transfer.December 2014Science Highlights

Large Aerosols Play Unexpected Role in Ganges Valley

ARM study reveals surprising amount of light absorption by large aerosol particles. Read More »

Aerial view of homes inundated with water following a 2011 flood in Minot, N.D. Researchers have compared data from hundreds of catchment sites in the United States to better understand the relationship between annual water balance and flood frequency.December 2014Science Highlights

Determining Hydrological Controls on Flood Frequency

Study comparing data from hundreds of U.S. catchments could improve flood prediction. Read More »

Researchers have discovered a novel methane-producing microbe that dominates the thawing permafrost of their study site: the Stordalen Mire in Sweden’s Abisko National Park.December 2014Science Highlights

New Methane-Producing Microbe Found in Thawing Permafrost

The species and its relatives appear to be prevalent in areas of high methane flux worldwide. Read More »

Duckweed is a relatively simple plant with fronds (A and B, right) that float on the surface of water and roots that extend into the water.December 2014Science Highlights

Biofuels from a Floating Water Weed

Duckweed sequencing reveals insights into genes for lignin, cellulose, and starch production. Read More »

Baohua Gu and colleagues at Oak Ridge National Laboratory have developed a method to determine the total number of sulfur compounds called thiols on intact bacterial cells and natural organic matter.December 2014Science Highlights

New Tool for Studying Toxic Metals in the Environment

Method enables quantification of thiols on bacteria and natural organic matter. Read More »

Research scientist conducting the “wet chemisty” astatine-211 isolation procedure within a charcoal-filtered glovebox.November 2014Science Highlights

Improving the Availability of the Therapeutic Radionuclide Astatine-211

Investigators at the University of Washington have developed methods that consistently provide high production and recovery yields of astatine-211. Read More »

Vasilii Petrenko of the University of Rochester processing ice cores on Taylor Glacier, Antarctica.November 2014Science Highlights

Radiokrypton Dating Identifies Ancient Antarctic Ice

Researchers count the number of radioactive krypton-81 atoms remaining in ice using a laser trap. Read More »

The figure shows measured electron bunch images with lasing suppressed (top left) and full lasing (right).October 2014Science Highlights

Making the Old New Again: Measuring Ultrashort X-ray Laser Pulses

Researchers have developed a powerful new diagnostic tool for the Linac Coherent Light Source (LCLS) with femtosecond resolution. Read More »

A fragment of the crystal structure of the new ice is shown where the oxygen atoms are blue and the molecular hydrogen atoms pink.October 2014Science Highlights

Inside Ice Under High Pressure

New insights from neutron diffraction reveal changes to atomic structure. Read More »

The weak signal of two gadolinium ions - shown as brilliant spheres - was used to solve the high resolution crystal structure of the model protein lysozyme.October 2014Science Highlights

Solving Protein Structures from Scratch

A novel tool to determine the structure of difficult to crystallize proteins. Read More »