Science Highlights

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.12.01.14Science Highlight

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.12.01.14Science Highlight

New Tool for Studying Toxic Metals in the Environment

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

Earthworms Stabilize Soil Carbon at Sites Exposed to Elevated Carbon Dioxide10.01.14Science Highlight

Earthworms Stabilize Soil Carbon at Sites Exposed to Elevated Carbon Dioxide

Worms produce tiny clumps of soil that keep carbon taken in by plants from rapidly degrading and re-entering the environment.

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Wildfires Lingering Heat: Brown Carbon’s Story 08.01.14Science Highlight

Wildfires Lingering Heat: Brown Carbon’s Story

Results show absorption properties of brown carbon depend more on burn conditions than fuel type, providing important information to model climates.

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Using fluorescence microscopy, researchers observed the location of annexin A2 protein within cells under normal conditions (left) and after irradiation (right), which caused a majority of the proteins to relocate to the nucleus.07.01.14Science Highlight

Cell Signaling Responses to Low-Dose Radiation

Study shows protein moves to nucleus, helps irradiated cells survive. Read More »

By comparing computational simulations of rainfall with long-term measurements, researchers hope to improve how precipitation is represented in climate models.07.01.14Science Highlight

Improving Rainfall Processes in Climate Models

Long-term ARM data used to evaluate precipitation simulations. Read More »

Changes in primary DNA sequence (a) and three-dimensional structure (b) upon directed evolution of the noncatalytic protein hRXRα to the ligase enzyme 10C.07.01.14Science Highlight

Watching the Evolution of a Protein’s Function

Study reveals structural changes leading to catalytic activity. Read More »

Predicting the economic costs of damage from natural forces is difficult.07.01.14Science Highlight

Climate Change Impact Valuation Models Revisited

Valuing diverse climate impacts in integrated assessment models. Read More »

As part of research to improve biofuel production processes, scientists are studying how a soil microbe found in Puerto Rico’s El Yunque National Forest (shown here) breaks down lignin in plant cell walls.07.01.14Science Highlight

Tropical Soil Bacterium Frees Plant Sugars for Biofuels

Microbe found to use two biochemical pathways for degrading lignin. Read More »

ARM Mobile Facility instruments measure aerosol and cloud properties during a 2008 study in Shouxian, China.07.01.14Science Highlight

Higher Clouds Retain Less Energy

ARM data shed light on how altitude affects cloud energy content. Read More »