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Samantha Peters co-designed and conducted experiments using ORNL’s high-performance mass spectrometry techniques to prove that bacteriophages deploy genetic code-switching to overwhelm and destroy host bacteria. Credit: Genevieve Martin, ORNL/U.S. Dept. of Energy

Research team proves bacteria-killing viruses deploy genetic code-switching to deceive hosts

Scientists at ORNL have confirmed that bacteria-killing viruses called bacteriophages deploy a sneaky tactic when targeting their hosts: They use a standard genetic code when invading bacteria, then switch to an alternate code at later stages of

ORNL’s Adam Guss began adapting the SAGE gene editing tool to modify microbes in graduate school. Today, SAGE is rapidly accelerating the design of custom microbes for a variety of applications. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy

A wise tool for modifying microbes

A DNA editing tool adapted by Oak Ridge National Laboratory scientists makes engineering microbes for everything from bioenergy production to plastics recycling easier and faster.

Alice Perrin is a Distinguished Staff Fellow and materials scientist at Oak Ridge National Laboratory. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy

Alice Perrin spills the beans about alloys

Alice Perrin is passionate about scientific research, but also beans — as in legumes.

Fungal geneticist Joanna Tannous is gaining a better understanding of the genetic processes behind fungal life to both combat plant disease and encourage beneficial processes like soil carbon storage. Credit: Carlos Jones/ORNL, U.S. Dept. of Energy

Joanna Tannous: Harnessing an unlikely climate challenge ally

Joanna Tannous has found the perfect organism to study to satisfy her deeply curious nature, her skills in biochemistry and genetics, and a drive to create solutions for a better world. The organism is a poorly understood life form that greatly influences its environment and is unique enough to deserve its own biological kingdom: fungi.

Heat is typically carried through a material by vibrations known as phonons. In some crystals, however, different atomic motions — known as phasons — carry heat three times faster and farther. This illustration shows phasons made by rearranging atoms, shown by arrows. Credit: Jill Hemman/ORNL, U.S. Dept. of Energy

Neutrons reveal key to extraordinary heat transport

Warming a crystal of the mineral fresnoite, ORNL scientists discovered that excitations called phasons carried heat three times farther and faster than phonons, the excitations that usually carry heat through a material.

Even small movements of hydrogen, shown in yellow, were found to cause large energy shifts in the attached iron atoms, shown in silver, which could be of interest in creating novel chemical reactions. Credit: Jill Hemman/ORNL, U.S. Dept. of Energy

Neutrons uncover hydrogen’s hidden role in twisting iron

Researchers from Yale University and ORNL collaborated on neutron scattering experiments to study hydrogen atom locations and their effects on iron in a compound similar to those commonly used in industrial catalysts.

ORNL Weinberg Fellow Addis Fuhr uses quantum chemistry and machine learning methods to advance new materials. Credit: Genevieve Martin/ORNL, U.S. Dept. of Energy

Addis Fuhr: Working to control impurities in materials

When Addis Fuhr was growing up in Bakersfield, California, he enjoyed visiting the mall to gaze at crystals and rocks in the gem store.

Oak Ridge National Laboratory entrance sign

Gai named section editor-in-chief for Magnetochemistry

Zheng Gai, a senior staff scientist at ORNL’s Center for Nanophase Materials Sciences, has been selected as editor-in-chief of the Spin Crossover and Spintronics section of Magnetochemistry.

Oak Ridge National Laboratory’s Dave Weston works in a chamber at the DOE SPRUCE whole ecosystem experiment site in the peatlands of northern Minnesota. Credit: Kyle Pearson/ORNL, U.S. Dept. of Energy

Scientists find sex differences in mosses play key role in carbon storage

A quest to understand how Sphagnum mosses facilitate the storage of vast amounts of carbon in peatlands led scientists to a surprising discovery: the plants have sex-based differences that appear to impact the carbon-storing process.

a man wearing a suit and tie

Hachtel named to Microanalysis Society Board of Directors

Jordan Hachtel, a research scientist at ORNL’s Center for Nanophase Materials, has been elected to the Board of Directors for the Microanalysis Society.