Episodes

Patrick Shober, Ph.D., NASA Postdoctoral Fellow at Johnson Space Center in Houston, Texas, uses Doppler weather radar to detect and characterize meteorite falls in North America. Getting more information about meteorite falls increases the ability to collect these rocks that may have come from the moon or Mars or elsewhere. The goal of Shober’s fellowship is to improve the ability to track and locate meteorite falls, potentially automate the process, and improve the amount of information that ca...

September is National Preparedness Month. What better time to talk about EM360, ORAU’s comprehensive emergency preparedness platform designed to help organizations manage the full cycle of preparedness activities in one place—from planning and exercise development to evaluation, corrective action tracking and continuous improvement. In this episode, Mary Connelly, ORAU manager of emergency management, discusses how EM360 can help any organization streamline the work of conducting emergency exerc...

Maggie Weng, Ph.D., NASA Postdoctoral Fellow, studies how life survives in super salty environments. She says one of her favorite things about doing this research is going to extreme environments to take samples from places on earth that exhibit the kinds of conditions that we're interested in studying. Those samples serve as analogs for what conditions might be like on other worlds or might have been like in the past. For example, Mars used to have a warmer and wetter climate, so she can study ...

People travel from all over the country to run the Secret City Half Marathon and 5K, a cool-weather race that starts on the waterfront at Melton Hill Lake and takes runners and walkers through the scenic streets of Oak Ridge. ORAU has been a proud sponsor of the Secret City races for many years. In this episode, host Michael Holtz is joined by fellow communications colleague and unofficial race ambassador Bryan Campbell and race director Hannah Fatheree for a conversation about the race, includi...

Rural, underserved and minority populations are often not included or not represented in clinical and scientific research. Youssef Roman, PharmD, Ph.D., created the Community Advocacy and Research Empowerment (CARE) Coalition to change that. Youssef received an ORAU Innovation Partnership Grant while at Idaho State University to create the coalition, which brings together stakeholders committed to including rural, underserved and minority populations in research. Youssef hopes to replicate the C...

Vit Ruzicka, Ph.D., is a NASA Postdoctoral Program Fellow who works with hyperspectral satellite images to detect methane signatures in the atmosphere. Methane is a transparent gas that cannot be seen by the human eye but hyperspectral satellites, along with machine learning models, can help determine if there are leaks in facilities or pipelines that store methane. Because methane is a greenhouse gas, detecting large emissions is important. In addition to his research focus, Ruzicka shares his ...

The United States is facing a rural health crisis that includes a shortage of healthcare workers, challenges in access to women’s health services and mental health services, and preparedness limitations in the event of a public health crisis. ORAU is hosting a workshop on Thursday, Aug. 6, 2026, to launch a Rural Health Research Innovation Cluster (RIC). The RIC will bring together members of ORAU’s University Consortium to focus on solving the complex problems that impact rural health and resil...

Tara Fetherolf, Ph.D. is a NASA Postdoctoral Program Fellow at the NASA Astrobiology Center at the University of California Riverside. Her research focuses on stellar variability, or how stars change with time. One example she uses is our sun. It has spots and it has storms. She studies those phenomena on other stars and how that affects other planets and their atmospheres, which she can compare to how similar activity affects earth. Fetherolf uses the example of the aurorae on Earth, which are ...

Deborah L. Crawford, Ph.D., is chair of the ORAU Board of Directors. In her role, she has a front-row seat in shaping the future of the company. Crawford became chair as the selection of Meghan Millwood for president and CEO was being finalized, and has served on the board for eight years. In this episode of Further Together, Crawford talks to host Michael Holtz about her role as board chair, how she has seen ORAU flourish during her tenure on the board, and the exciting days that lie ahead for ...

Gabe Grell, Ph.D., is a self-described geek. He is a NASA Postdoctoral Fellow focused on high-energy astrophysics, which involves observing some of the most powerful objects in the universe, including massive stars (10 to 20 times bigger than our sun), black holes, galaxies and supernovae, all of which emit very strong radiation in the form of X-rays. Grell analyzed the data received from satellites measuring these X-rays to deduce the atomic makeup and physical properties of those objects. Grel...

Veronika Jercic, Ph.D., is a NASA Postdoctoral Fellow at Goddard Space Flight Center in Maryland. She studies structures in the solar atmosphere known as prominences or filaments. Jercic calls them clouds on the sun. These clouds are important to understand stretch through all of sun’s atmospheric layers. Unlike the clouds on Earth, these clouds are much denser, so they're very heavy clouds and colder than the Corona in which they are situated. These clouds occasionally erupt, expelling huge mas...

Maurice Roots, Ph.D., was six years old when he watched “Star Trek” and decided to be a physicist. His dream came true and today he is an atmospheric physicist in the NASA Postdoctoral Program Fellow researching atmospheric chemistry and dynamics at Goddard Space Flight Center in Maryland. Specifically, Roots focuses on ozone, which is one of the Environmental Protection Agency’s six critical pollutants. He says we need to measure and be concerned about ozone because of the health risks associat...

Oak Ridge is at the nexus of the nuclear energy renaissance. One of the challenges is meeting the demand for the necessary workforce, and not just the scientific and technical workforce but the skilled trades workers needed to build out and operate the small modular reactors and other facilities that are coming. On Thursday, May 14, ORAU is hosting the Pathway to Trades Summit, which will convene industry, trade unions, academia, government and other key players to begin to solve for meeting thi...

Greg Nichols is operations manager in the ORAU health studies program, but he wears a lot of hats. He has become an expert in artificial intelligence and received an ORAU Thought Leadership Research Award to write a chapter on the convergence of AI and biotechnology. Nichols’s chapter, “Assessing Governance and Regulatory Frameworks for Converging Technologies: The Case of Artificial Intelligence in Biological Engineering and Design Technologies,” appears in Biotechnology and AI: Technological C...

The annual Waste Management Symposia (March 8-12, 2026, in Phoenix, Arizona) is the premier international conference concerning the safe and secure management of radioactive wastes arising from nuclear operations, facility decommissioning and environmental remediation, as well as storage, transportation and disposal, and associated activities. A team of ORAU subject matter experts will be attending this year’s event. In this episode of Further Together, Kathy Rollow, senior director for Energy a...

Kelly Whalen, Ph.D., studies black holes and how they interact with galaxy growth as part of her research for the NASA Postdoctoral Fellowship Program. Whalen says there are a lot of misconceptions about black holes because of pop culture and science fiction depictions. There are different kinds of black holes, and they are not gigantic forces of destruction. She tells Further Together, The ORAU Podcast that black holes can also create by forming new stars. Whalen says being selected for the NAS...

Stela Silva, Ph.D., an astrophysicist in the NASA Postdoctoral Fellowship Program, has her eye to the sky, sort of. Working with gravitational microlensing, which she says is "the physical phenomenon that happens when we're observing a star and then another star with a planet passes in front of it," and machine learning she looks for signatures of exoplanets. The chance of finding a star is one in a million, Silva says, and she and her fellow researchers look at millions of stars at the same tim...

Myron Porter is a section manager in ORAU’s Technical Solutions Group, which is part of ITS. In his role, he is a software developer working as part of the team that maintains and supports U.S. Department of Energy Office of Science web applications for National Science Bowl, the Science Undergraduate Laboratory Internship (SULI) program and the Laboratory Equipment Donation Program (LDEP). Host Michael Holtz talked to Porter as part of a two-part series on the people making Black History at ORA...

Rachel Hill, Ph.D., calls them angels: pastors, teachers, extended family members, neighbors who encourage us and cheer us on. The quiet encouragers who aren’t given and probably wouldn’t take credit for our successes. In honor of Black History Month, Further Together, the ORAU Podcast is featuring a two-part series of conversations with individuals making Black history at ORAU. For this episode, host Michael Holtz and special co-host Jill Latchana talk to Hill, an associate manager in STEM Work...

Sara Howard, Ph.D., is an epidemiologist in the Health Studies group at ORAU who earned her doctoral degree in 2025. For part of her dissertation, she used machine learning techniques to analyze data from the National Supplemental Screening Program, which ORAU manages with several partners for the U.S. Department of Energy, to examine the link between chronic obstructive pulmonary disease (COPD) and occupational exposures. While we often think of COPD in the context of smoking, Howard wanted to ...

Alka Rani, Ph.D., is a planetary scientist specializing in the geological and geophysical evolution of the moon and Mars. As a NASA Postdoctoral Fellow at Marshall Space Flight Center, she investigates planetary interiors and surface processes through advanced geophysical and geochemical modeling. In this episode of Further Together, Rani discusses her interdisciplinary research and what it may mean for future NASA missions to Mars and beyond. The NASA Postdoctoral Program (NPP) offers unique re...

Welding isn’t just a skill; it’s a national security asset. That’s why ORAU launched Extreme Trades Makeover: Future Welders, a competition to give $30,000 in new welding equipment, upgrades or virtual equipment to three Alabama public high school educators. The competition deadline is January 30, 2026. In this episode of Further Together, host Michael Holtz talks to Jennifer Tyrell, Extreme Trades program manager, and Lindsay Cline from the U.S. Navy's Maritime Industrial Base Program Office ab...

Lee Riedinger, Ph.D., knows the history of Oak Ridge and its connections to the University of Tennessee like he knows the back of his hand. His book, “Critical Connections: The University of Tennessee and Oak Ridge from the Dawn of the Atomic Age to the Present,” explores the connections that exist between UT, Oak Ridge National Laboratory, ORAU and other key stakeholders. In this episode of Further Together, Riedinger talks to hosts Michael Holtz and Amber Davis about ORAU’s role in the Oak Rid...

Backpack-mounted LIDAR systems are laser-ranging devices that can create very high definition 3D terrain maps. Jordan Bretzfelder, Ph.D., was very early in her tenure as a NASA Postdoctoral Program Fellow when she was set to embark on a trip to California's Death Valley to use LIDAR on the dunes there. The Death Valley trip served as an analog for future expeditions to the moon and to Mars. LIDAR can map terrain in places without light, which will be useful to map the polar regions of the moon a...