People Behind The Science Podcast - Stories From Scientists About Science, Life, Research, And Science Careers

Dr. Ellen Arruda is the Maria Comninou Collegiate Professor of Mechanical Engineering with joint appointments as Professor of Biomedical Engineering, as well as Macromolecular Science and Engineering at the University of Michigan. Ellen studies the mechanical behavior of soft materials, including polymers, plastics, and soft tissues of the body. Her research group focuses on understanding how to design with soft materials so the materials don’t break in different applications, as well as how to design replacements for soft tissues in our bodies when they are damaged. Ellen’s hobbies include running, cooking, and knitting. Running is one of her favorite ways to get exercise and generate great ideas for her work. She is a skilled sweater knitter who learned how to crochet from her mother and picked up knitting from her mother-in-law. She received her B.S. with Honors in Engineering Science and her M.S. in Engineering Mechanics from Pennsylvania State University. Ellen was awarded her Ph.D. in Mechanical Enginee

Dr. John Kress is a Distinguished Scientist and Curator of Botany at the Smithsonian’s National Museum of Natural History. John’s research involves exploring the natural world and all the organisms that make up the natural world. Since graduate school, he has been exploring different areas, particularly tropical areas, to determine what grows there now, what grew there in the past, and how the plants and animals there interact. Not only does John enjoy investigating the natural world at work, he also enjoys spending his free time outside exploring nature. John often goes on walks or hikes with his wife and dog to see nature in action. In addition, John is an avid gardener. Among the plants he cultivates in his own yard are some of the ginger and banana plants that he studies. John received his B.A. in biology from Harvard University and his Ph.D. in botany from Duke University. John formerly served as the Interim Undersecretary for Science for the Smithsonian Institution, Executive Director of the Association

Dr. Young-Hui Chang is a Professor of Biological Sciences at Georgia Institute of Technology where he directs research in the Comparative Neuromechanics Laboratory. Research in Young-Hui’s lab aims to examine how the control of movement by the nervous system is influenced by mechanics and physics during locomotion. He is interested in broad mechanisms for behaviors like walking, running, and hopping that apply within and across species. Young-Hui likes to spend his free time with his family. He, his wife, and his two boys enjoy exploring the outdoors, hiking, and camping together. Though Young-Hui was not always a particularly outdoorsy person, enrolling his sons in the Scouts program has provided an avenue for him and his family to learn more and get outside. Young-Hui received his B.S. in Mechanical Engineering and his M.S. in Animal Physiology from Cornell University. Next, he conducted his doctoral studies at the University of California, Berkeley, earning his PhD in Integrative Biology in 2000. Prior to

Dr. Sonia Mayoral is the Robert J. and Nancy D. Carney Assistant Professor of Brain Science at Brown University. In the lab, Sonia studies glial cells, the cells in your brain that aren’t neurons. These cells perform a lot of different functions and could hold promise for developing therapies for neurologic diseases. Outside of work, Sonia loves spending as much time as possible with her four-year-old son. Lately, they’ve been enjoying playing Plants vs. Zombies on the iPad and also acting the game out around the house. She received her bachelor’s degree in biological sciences from San Jose State University and her PhD in neuroscience from Stanford University. Afterwards, she conducted postdoctoral research at the University of California, San Francisco. She joined the faculty at Brown University in 2021. In this interview, she shares more about her life and science.

Dr. Steve Ramirez is an Assistant Professor in the Department of Psychological and Brain Sciences at Boston University. In his research, Steve is studying learning and memory, and he is interested in discovering whether it is possible to artificially turn memories on and off. His research focuses on understanding the brain and what we can do when processes in the brain break down. They are working on turning on positive or negative memories in animal models to gain a better understanding of how the brain and memory work. In addition, they use animal models of conditions like depression, anxiety, and PTSD to study whether artificially manipulating memories may alleviate some of the symptoms of these conditions. Steve was born and raised in the Boston area, so accepting a faculty position at Boston University meant reuniting with his family, friends, and beloved New England Patriots. He spends his down time watching Netflix with friends and hanging out with his family. He attended Boston University for his unde

Dr. Abby Smith is an Associate Professor and Head of the Department of Marine Science at the University of Otago. In the lab, Abby is dedicated to studying shells and the animals that make shells. She is interested in how shells are made, what they are made out of, and how fast they grow. Abby also examines how shells break down over time and uses old shells to understand what the water was like in the past. Outside of science, Abby is a mother of two, and she keeps busy with family life and taking care of her kids. In her free time, she likes to watch cricket, knit, and cook. In particular, Abby has been experimenting lately with making different fruit jams and preserves. She Received her B.A. Degree in Geology and Biology from Colby College, her M.S. Degree in Earth, Atmospheric, and Planetary Sciences from the Massachusetts Institute of Technology, and her PhD in Earth Science from the University of Waikato. Abby joined us in this interview to share stories from her life and science.

Dr. Antoine van Oijen is a Distinguished Professor and Australian Research Council Laureate Fellow in the School of Chemistry at the University of Wollongong in Australia. The work Antoine does combines physics, chemistry, and biology. He develops new types of microscopes to visualize complex biochemical reactions at the level of individual molecules. In particular, his group is interested in how DNA is copied before a cell divides. Antoine is also doing research examining how bacteria acquire antibiotic resistance. Antoine and his family enjoy spending much of their free time exploring the beautiful beach and hiking in the wonderful parks nearby. Antoine received his MSc and PhD in Physics from Leiden University in the Netherlands, where his graduate work was recognized with the C.J. Kok prize for best doctoral thesis. Afterwards, he conducted postdoctoral research in Chemistry and Chemical Biology at Harvard University. Antoine served on the faculty at Harvard Medical School and Groningen University in the

Dr. Hongkui Zeng is Executive Vice President and Director of the Allen Institute for Brain Science. She is dedicated to understanding how the brain is organized and how the different components of the brain work together to generate behaviors and functions. Hongkui and her colleagues examine the cellular basis of brain circuit formation and how those circuits produce function. They generate foundational tools and resources for the neuroscience community to help scientists around the world advance their research on neurological disease, potential treatments, and more. Living in the beautiful city of Seattle, Hongkui enjoys getting outside and exploring nature. This includes kayaking and hiking in the nearby mountains. When she’s at home, Hongkui likes to relax with a good book, listen to music, and indulge in watching shows and movies. She received her B.S. degree in biochemistry from Wuhan University and her PhD in molecular and cell biology from Brandeis University. Next, she conducted postdoctoral research

Dr. Dominic D’Agostino is an Associate Professor in the Department of Molecular Pharmacology and Physiology at the University of South Florida. He is also a Research Scientist Institute for Human and Machine Cognition. Dom’s lab develops technology that allows them to investigate the molecular, cellular, and physiological changes we experience in extreme environments, including those that would occur undersea, at high altitude, or in space. They are also designing and evaluating metabolic-based therapies as treatments for cancer and other diseases. Dom and his wife enjoy outdoor activities like going to the beach, hiking, kayaking, mountain biking, and horseback riding. They also do quite a bit of scuba diving together for his wife’s marine biology research on manta rays. Data collection has taken them to Indonesia, Fiji, Palau, Hawaii, and many other phenomenal dive sites. Dom received his B.S. in Nutritional Sciences and Biological Sciences as well as his Ph.D. in Neuroscience and Physiology at Rutgers Univ

Dr. Molly Peeples is an Aura Assistant Astronomer at the Space Telescope Science Institute in Baltimore, Maryland. Molly’s research is improving our understanding of galaxies and helping to reveal why galaxies are different from each other and how galaxies have changed over time. To do this, she traces the origins and fates of heavy elements that were all originally produced within stars. Examining where the elements end up gives us information on how gas flows into and out of galaxies. Molly also does modeling and runs simulations to better understand what is going on in the universe. There are a lot of great parks around Baltimore, so Molly likes getting outside to go hiking in her free time. She also enjoys cooking, reading, trying new cocktails, exploring new bars in town, and playing board games with friends. She received her B.S. in Physics from MIT and went on to complete her MS and PhD in Astronomy at Ohio State University. Molly was then awarded a Southern California Center for Galaxy Evolution Fello

Dr. Christy Haynes is the Elmore H. Northey Professor of Chemistry at the University of Minnesota. In Christy’s research group, they are working to develop new methods to monitor small quantities of important chemicals in complex environments. Their research also aims to develop new, safe nanomaterials for applications in human health and sustainable energy. When she’s not at work, Christy loves to go for a run around the lakes of Minneapolis and spend time with her spouse and two kids. Her son has an analytic mind and is interested in competitive sports, while her daughter enjoys art and music. She completed her undergraduate studies in Chemistry at Macalester College and received her MS and PhD in Chemistry from Northwestern University. Next, Christy was awarded a National Institutes of Health National Research Service Award Post-Doctoral Fellowship to conduct research at the University of North Carolina, Chapel Hill. She joined the faculty at the University of Minnesota in 2005. Christy has received many a

Dr. David R. Liu is the Richard Merkin Professor and Director of the Merkin Institute of Transformative Technologies in Healthcare, vice-chair of the faculty at the Broad Institute of MIT and Harvard, the Thomas Dudley Cabot Professor of the Natural Sciences at Harvard University, and a Howard Hughes Medical Institute (HHMI) investigator. In addition, he is the founder or co-founder of several biotechnology and therapeutics companies, including Beam Therapeutics, Prime Medicine, Editas Medicine, Pairwise Plants, Exo Therapeutics, Chroma Medicine, Resonance Medicine, and Nvelop Therapeutics. David’s research integrates components of biological evolution with chemistry to enable the development of new types of therapeutics and to better study biology. Through chemistry, they can change the structure of a molecule in order to change its function in anticipated ways. They also harness the power of cycles of natural selection to evolve molecules with desired tailor-made properties. Outside of science, David’s hobb

Dr. Lynne Maquat is the J. Lowell Orbison Endowed Chair and Professor of Biochemistry and Biophysics in the School of Medicine and Dentistry, Director of the Center for RNA Biology, and Chair of Graduate Women in Science at the University of Rochester. Research in Lynne’s lab focuses on human diseases and what causes diseases in our cells. She is working to understand how cells function normally, determine what causes diseases, and develop treatments for diseases. In particular, she has been studying a process in cells that causes about one third of all inherited diseases, like cystic fibrosis and Duchenne muscular dystrophy, as well as one third of all acquired diseases, including cancer. Lynne has a Labrador retriever whom she loves taking on walks through the lovely parks and woods in Rochester, New York. She also enjoys exercising through yoga, lifting weights, and doing cardio. She received her BA in Biology from the University of Connecticut and her PhD in Biochemistry from the University of Wisconsin-M

Dr. Blake Meyers is a Member Principal Investigator at the Donald Danforth Plant Science Center and a Professor in the Division of Plant Sciences at the University of Missouri. The focus of Blake’s research is on small RNAs in plants. His lab studies how RNAs are used to regulate the complex machinery of cells, particularly in the context of plant reproductive biology. When he’s not conducting research in the lab, Blake loves to travel both for work and for fun. Blake strives to balance his family life with his science, and he also enjoys reading cookbooks and experimenting in the kitchen at home. He received a B.A. in Biology from the University of Chicago, and went on to receive his MS and PhD in Genetics from the University of California, Davis. Afterwards, Blake completed postdoctoral fellowships at Dupont Genomics and at the University of California, Davis. Before accepting his current positions, Blake was the Edward F. and Elizabeth Goodman Rosenberg Professor and Chair of the Department Plant and Soil

Dr. Jennifer Wilcox is an Associate Professor in Chemical and Biological Engineering at the Colorado School of Mines and an Investigator within the Clean Energy Conversions Laboratory there. The research in Jen’s group focuses on carbon capture and trace metal pollution. On the carbon capture side, she tries to better understand and reduce CO2 emissions from coal and gas-fired power plants. In terms of trace metals, the most common source of trace metals like mercury in the fish we eat is burning coal in coal-fired power plants. Jen’s research examines how to capture trace metals and reduce their emission into the environment. Outside of science, Jen keeps busy spending time with her family including her husband and daughter. She also loves being active outdoors through hiking, running, and bicycling. She received her bachelor’s degree in mathematics from Wellesley College and her PhD in chemical engineering from the University of Arizona. She served on the faculty at the Worcester Polytechnic Institute and a

Dr. Tim Buschman is Associate Professor of Psychology and Neuroscience at Princeton University. He studies a process called cognitive control, a process in the brain that allows you to control your own thoughts and actions toward achieving your goals. There are a lot of factors that can influence cognitive control that must be integrated to direct your behavior. He uses animal models to better understand aspects of cognitive control, and his work has relevant applications for improving machine learning and artificial intelligence as well as developing new treatments for neurological diseases that impact cognitive control. When he’s not in the lab, Tim enjoys spending time outdoors with his family. In particular, they have been doing a lot of hiking, and Tim finds it a great activity for stimulating thoughts and drawing out his creativity. He received his B.S. in Biology from the California Institute of Technology, and Tim was then awarded a Postbaccalaureate Intramural Research Training Award (IRTA) to conduc

Dr. Charles Hohenberg is a Professor of Physics at Washington University in St. Louis. In the lab, Charles does mass spectrometry of noble gases like Krypton and Xenon. He designed and built his own mass spectrometer which is one of the best in the world. With this instrument, Charles measures noble gas isotope ratios in various sources. A major focus is studying meteorite samples to understand early solar system processes. Charles has always been a tinkerer, and he often spends his free time working on various projects around the house. For example, one of Charles’ hobbies is woodworking. He built his own kitchen table and several other pieces of furniture. He received his PhD in Physics from the University of California, Berkeley and has been on the faculty at Washington University since 1970. Charles has received many awards and honors during his career, including election as Fellow of the Meteoritical Society and a Fellow of the St. Louis Academy of Science. He has been awarded the NASA Principal Investig

Dr. Diana Aga is the Henry M. Woodburn Chair and a State University of New York (SUNY) Distinguished Professor in the Department of Chemistry at the University at Buffalo. She also serves as the Director of RENEW (Research and Education in eNergy, Environment and Water) Institute at the University at Buffalo. Diana is an environmental chemist. She studies sustainable agriculture and pollutants such as the “forever chemicals” (Per- and Polyfluorinated Substances (PFAS)) that we frequently encounter in our everyday lives. When it’s warm outside, Diana enjoys biking and hiking, and when it’s cold she spends more time indoors watching movies. Cooking is another one of Diana’s hobbies, and she is particularly fond of making Filipino food, creatively reusing leftovers, and recreating restaurant favorites at home. Diana received a B.S. degree in agricultural chemistry from the University of the Philippines, Los Baños and her PhD in analytical chemistry from the University of Kansas. Afterwards, she conducted postdoc

Dr. Andrew Alleyne is the Ralph and Catherine Fisher Professor in the Department of Mechanical Science and Engineering at the University of Illinois at Urbana-Champaign, as well as the Director of the National Science Foundation Engineering Research Center on Power Optimization for Electro-Thermal Systems (POETS) headquartered there. He is an engineer who works on control systems, which provide an automated way of making decisions. They take in relevant information and use algorithms to make correct decisions based on the information gathered. Andrew’s group designs algorithms that make the best decisions possible with the information available to keep systems stable and performing well. When not doing science, he spends much of his time with his wife and two sons. This translates to a lot of driving back and forth to soccer games, but also going on road trips and having fun together. Andrew grew up in Jamaica and came to the United States when he was in high school. He received his B.S. in Engineering degree

Dr. Mary Jo Ondrechen is Professor of Chemistry and Chemical Biology at Northeastern University. In the lab, Mary Jo uses theory and computation to better understand how molecules work. In particular she works on enzymes which are proteins that catalyze chemical reactions. Mary Jo and her team also develop methods and theories to interpret genomic data, and they work on the computational side of drug discovery, helping medicinal chemists develop new drugs, treatments, and diagnostics. When she’s not at work, you can often find Mary Jo out running, tending to her vegetable garden, and cooking. She is also interested in herbs, spices, and medicinal plants. She earned her bachelor's degree in Chemistry from Reed College, and she was awarded her PhD in Chemistry and Chemical Physics from Northwestern University. Afterwards, Mary Jo completed a postdoctoral fellowship at the University of Chicago and subsequently a NATO Postdoctoral Fellowship at Tel-Aviv University in Israel. She joined the faculty at Northeaster