NSF’s Discovery Files Podcast
163 episodes — Page 2 of 4
Quantum for All
A quantum-educated workforce will be essential in the future; however, most students are not introduced to quantum mechanics until taking physics courses late into their college careers. Karen Jo Matsler, assistant professor at The University of Texas at Arlington, joins to discuss the Quantum for All initiative to expose K-12 students to the principles of quantum mechanics.
Do Elephants Use Language?
More than 8 million species call Earth home, but we only understand the language of one. Mickey Pardo, a postdoctoral associate at the K. Lisa Yang Center for Conservation Bioacoustics at the Cornell Lab of Ornithology, discusses research into how elephants are using vocalizations to communicate with each other.
Hurricane Warnings
Dangerous storms such as hurricanes can cause billions of dollars in damage and cost hundreds to thousands of lives. Rebecca Morss, a senior scientist at the NSF National Center for Atmospheric Research, discusses weather risk communication and response.
Robotic Interaction
As next-generation technologies, such as robots, are developed, operational challenges come to light that need specialized solutions. Hao Zhang, associate professor of computer science at the University of Massachusetts Amherst, discusses perception strategies, ethics and other challenges in human-centered robotics.
S1 Ep 1Engaging Alaska Native Students in STEM
The future of the nation's leadership in science and technology discovery requires the engagement of diverse groups of students in the science, technology, engineering and mathematics fields. Michele Yatchmeneff, a professor of civil engineering and executive director for Alaska Native Education and Outreach at the University of Alaska Anchorage, discusses supporting Alaska Native students in their STEM interests.
Optimizing the Electric Grid
Electricity is the backbone of modern civilization and the increased demand due to extreme weather-related events is causing system failures and blackouts. Kyri Baker, assistant professor in the civil, environmental and architectural engineering department at the University of Colorado, Boulder joins to discuss optimization and control techniques for electricity systems and power grids.
Developing Semiconductors
Semiconductors are the backbone of modern electronics and energy-efficient ones will be critical for the future of artificial intelligence and quantum computing. Matthew Panthani, a professor of chemical and biological engineering from Iowa State University, discusses developing next-generation semiconductors.
Thorium Nuclear Clock
Time is used to set many standards by counting a periodic event with a known frequency. Eric Hudson, a professor in the department of physics and astronomy at UCLA, joins to discuss working to directly manipulate the energy level of an atomic nucleus using a laser, something that has never been done before and may result in the most accurate clocks ever.
Maui Fire Coastal Ecosystem Resilience
On August 8, 2023, a devastating fire swept through the town of Lahaina on the Hawaiian island of Maui. Andrea Kealoha, an assistant professor, and Sean Swift, a doctoral student, from the University of Hawaii at Mānoa, join to discuss their research into the impacts of wildfire on the coastal ecosystem.
Acoustic Fibers
From traffic to TVs and portable devices, people are surrounded by unwanted noise. Grace Yang, who worked on her doctoral degree as part of the fiber group at MIT, joins to discuss developing materials with acoustic properties for noise cancellation and sound suppression applications.
Imageomics
Most living creatures reveal themselves visually and are routinely photographed by humans from all walks of life. What if researchers could use those photos to answer fundamental biological questions? Tanya Berger-Wolf, a professor and computer scientist at The Ohio State University joins to share how she is using technology to extract information from images in the new field of imageomics.
Songbird Migration
Every year, songbirds across the United States make the arduous journey south to warmer winter climates and back again. But what behaviors, environmental cues, or genetic factors tell them it's time to go? Kira Delmore, assistant professor of biology at Texas A&M University, joins to share new insights into songbird migration.
Mysterious Return of Atlantic Surfclams
In the 1990s, Atlantic surf clams largely died off in their southernmost range off the coast of Virginia. Daphne Munroe, associate professor at the Rutgers University Haskin Shellfish Lab, joins to discuss Atlantic surf clams, rebounding fishing efforts, and how this species may be adapting to changing conditions.
Repurposing Carbon Dioxide
Greenhouse gases such as carbon dioxide act like an atmospheric blanket, but what if society could capture and repurpose those gases into useful products? Burcu Gurkan, professor of chemical and biomolecular engineering department at Case Western Reserve University, joins this episode to discuss electrochemical methods of carbon capture, how the resulting products might be used and how flow batteries may fuel the future.
Cicadas
This year billions of cicadas will emerge as the annual varieties are joined by the periodic Brood XIX and Brood XIII species that pop up every 13 and 17 years. Allen Moore, division director for the Division of Environmental Biology at the U.S. National Science Foundation, joins to discuss cicadas and answer some questions about these mysterious insects.
Mayan Archeology
Prior to European arrival, the Maya peoples built a civilization in the inhospitable lowland jungles of Middle America. David Lentz, professor of biological sciences and executive director at the University of Cincinnati Center for Field Studies, joins to discuss his archeological findings from ancient Mayan cities.
Black Hole Questions
Advancing tools and techniques are revealing more about black holes, but they also raise more questions that continue to capture the imaginations of people everywhere. Joe Pesce, an astrophysicist with the U.S. National Science Foundation, joins to answer some popular questions.
Clarifying Quantum Information
With applications across the sciences and beyond, quantum information science is revolutionizing the world around us. We are joined by Scott Aaronson, Schlumberger Chair of Computer Science at The University of Texas at Austin and director of its Quantum Information Center, to discuss quantum computers, how to understand quantum mechanics and how artificial intelligence is misunderstood.
Biofilm Resistance
Over six million people get bacterial infections that develop into biofilms every year, but what if you could cut off the bacteria before infection occurs? We are joined by Amber Doiron, assistant professor in the University of Vermont Department of Electrical and Biomedical Engineering, to discuss developing biofilm-resistant wound dressings, the problems with treating bacteria, and how exciting it can be to mentor the next generation.
Graphene Health Monitor
Tattoos have been a part of human culture for a very long time, but what if your tattoo could help diagnose your health? We are joined by Dmitry Kireev, assistant professor of biomedical engineering at the University of Massachusetts Amherst to discuss developing graphene biosensors, how they're like a tattoo, and how this technology may impact the future of health monitoring.
Citizen CATE 2024
For a few minutes on April 8, when the moon passed between the sun and Earth, millions of people in the path of totality from Maine to Texas experienced a total solar eclipse. We are joined today by Amir Caspi, a principal scientist at the Southwest Research Institute, who explains the Citizen Continental-America Telescope Eclipse 2024 and his role in the project, the unique opportunities for science that occur during an eclipse, and how anyone can be a scientist.
Total Solar Eclipse
On April 8, parts of the United States, Canada and Mexico will experience a total solar eclipse. We are joined today by Carrie Black, a program officer in the NSF Division of Astronomical Sciences Division; Alain Brizard, a professor of physics at Saint Michael's College; and Maria Kazachenko, an assistant professor at the University of Colorado Astrophysical & Planetary Science department to hear about what they'll be doing on April 8, what insights you might learn during an eclipse, and what can be experienced during a solar eclipse.
Smart Dope Quantum Dots
In chemistry, advances in artificial intelligence are allowing automated and self-driving labs to quickly realize complex experiments while providing new avenues for exploration. We are joined by Milad Abolhasani, associate professor of chemical and biomolecular engineering at North Carolina State University to hear about how he developed Smart Dope, a self-driving fluidic lab, and how it is being used to advance quantum dots.
Solar Weather Astronomy
Using cutting-edge tools such as the Daniel K. Inouye Solar Telescope, astronomers can study the sun as never before. We are joined by Maria Kazachenko, assistant professor in the University of Colorado Boulder Astrophysical & Planetary Sciences department and assistant professor at the National Solar Observatory, to hear about how why it's important to study the sun, why magnetic fields result in solar flares and how new tools are changing our understanding of the sun.
Pluripotent Polymers
Plastics have historically been developed to be optimal for a specific use, but what if a single material could be made flexible for one application or sturdy for another? We are joined by Stuart Rowan, professor of molecular engineering innovation and enterprise at the University of Chicago, who shares how he is developing materials whose properties can be changed on demand.
Crocodilia
Crocodilian species first appeared during the Mesazoic era 252-66 million years ago and have since adapted to survive changing environments and mass extinction events. We are joined by Greg Erickson, professor of anatomy and vertebrate paleobiology at Florida State University and curator at FSU's Biological Science Museum, who shares how he measured crocodilian bite strength, what happens if a crocodile bites you, and how they inform the understanding of dinosaurs.
STEM and Downtown Boxing Gym
Since 2007, Detroit's Downtown Boxing Gym has provided a free academic and athletic program to students aged 8-18, where they have seen long-term, life-changing impacts and a 100% high school graduation rate. We are joined by Purdue University Associate Professor of Counseling Psychology Amanda Case, Downtown Boxing Gym Executive Director Jessica Hauser, STEAM Lab Coordinator Remi Napier and student researcher Kenneth Cain to learn more about their incredibly successful program.
Quantum Computing
Quantum information science is a rapidly advancing field. The unique possibilities that quantum phenomena offer will create breakthroughs in areas such as sensing and measurement, computation and simulation, communication, networking, and security. Dolev Bluvstein, a doctoral student at Harvard University, working in the Lukin Group at the Quantum Optics Laboratory joins to discuss how they are making strides in advancing quantum computing, the value of error correction and what the future may hold.
ZEUS and the Frontier of Laser Science
The U.S. National Science Foundation's Zettawatt-Equivalent Ultrashort pulse laser System (ZEUS) is the highest power laser system in the United States, providing world-leading capabilities for scientific, medical, defense and industrial research. We are joined by Karl Krushelnick, professor of nuclear engineering and radiological sciences and director of the Gérard Mourou Center for Ultrafast Optical Science at the University of Michigan, which houses ZEUS, to hear about how the laser works, the research that will be conducted there, and how extreme light interacts with different materials.
Geographic Information Science
From weather apps to maps, geographic information systems (GIS) are the computer-based tools that drive many modern-day conveniences. The U.S. National Science Foundation has played a central role in the technology's development and growth. NSF established the National Center for Geographic Information and Analysis (NCGIA) in 1988 and funded more than $83 million in grants in the last two years alone. We are joined by Jack Dangermond, who has served on advisory boards for NSF and NCGIA and alongside his wife Laura, who founded the Environmental Systems Research Institute, now known as ESRI, in 1969. Today, their proprietary software is among the most popular in the field. Dangermond discusses his role in the founding of NCGIA, how technology has transformed the field and the importance of conservation.
Macrophages and Cancer
In the immune system, white blood cells help protect the body from viruses and bacteria. A subset known as macrophages offer great promise for cancer treatment. We are joined by Kolade Adebowale, a postdoctoral fellow at the Harvard John A. Paulson School of Engineering and Applied Sciences to hear about his macrophage studies, how they might be made more effective, and why we should be optimistic about the future of cancer treatment.
Tyrannosaurids
Since the discovery of incomplete dinosaur skeletons in the early 1800s, the collective knowledge about these creatures that roamed the Earth millions of years ago has grown dramatically. We are joined by Greg Erickson, a professor of anatomy and vertebrate paleobiology at Florida State University and curator at FSU's Biological Science Museum who shares how new Gorgosaurus discoveries impact what we know about ancient eating patterns, how he aged the famous Tyrannosaurus rex Sue, and his role in uncovering a lost world of arctic creatures that is changing what we know about dinosaurs.
Lasers and Extreme Ultraviolet Light
Light catches the imagination and raises questions about phenomena such as rainbows or why the sky is blue from an early age. We are joined by Franklin Dollar, professor of physics and astronomy and associate dean of graduate studies in the School of Physical Sciences at University of California, Irvine to hear about how he uses extreme ultraviolet light and lasers to reproduce and study the plasma states and particle acceleration that occur in the most extreme corners of the universe.
Advancing Computational Chemistry
The U.S. National Science Foundation's Center for Computer Assisted Synthesis is developing data science tools and computational workflows that aim to shape the future of synthetic chemistry. We are joined by Gabe Gomes, assistant professor of chemistry and chemical engineering at Carnegie Mellon University, to hear about the work being done at the facility and the revolutionary new tool his team has developed, Coscientist.
A Look Back at 2023
From the Viking age to a Cold War military installation revealing insights into the ice age, advances in artificial intelligence, and looks at black holes and gravitational waves in the depths of space, these are just some of the stunning findings produced by U.S. National Science Foundation-supported researchers in 2023. As we start a new year, we're looking back at some memorable moments from the past year's shows.
Searching for Technosignatures
Humans have always looked up to the sky and wondered about the stars and what life may be out there. Astronomers are using tools such as the U.S. National Science Foundation’s Green Bank Observatory and the Karl G. Jansky Very Large Array to search for radio waves, technosignatures sent from distant stars. David DeBoer, a research astronomer at the University of California, Berkeley joins to explain how Breakthrough Listen is leading this effort and how the Collaboration for Astronomy Signal Processing and Electronics Research is advancing the technology behind it.
Listening To Giants
Blue whales are the largest animals to ever inhabit the planet and were hunted to near extinction in the era of commercial whaling. Since the 1960's, these giants have been protected but continue to be considered endangered and are seldom seen. Kate Stafford, an associate professor and bio-acoustician at Oregon State University's Marine Mammal Institute, joins today to explain how a film brought her to the Republic of Seychelles to locate blue whales using their vocalizations, share insights into whale song and explain how she hears climate change.
Demonstrating Potential
The U.S. National Science Foundation's Graduate Research Fellowship Program (GRFP) has helped ensure the quality, vitality and diversity of the scientific and engineering workforce by recognizing and supporting outstanding graduate students since 1952. Kyle Johnson, a doctoral student at the University of Washington, joins us to talk about his work with robotics, his GRFP experience and how he inspires the next generation.
Microplastics in the Environment
The ubiquity of plastic materials in modern life has meant that plastic debris can be found everywhere. A subset of these environmental contaminates, smaller than a sesame seed, are called microplastics, and an even smaller subset of those are called nanoplastics. We are joined by Lauren Pincus, an environmental chemist and post-doctoral fellow at Princeton University, to learn about plastic degradation, how it interacts with inorganic materials in the environment and what we might do to help prevent it.
At the Edge of Artificial Intelligence
The U.S. National Science Foundation has invested over half a billion dollars to establish the National AI Research Institutes. We are joined by D.K. Panda, from the AI Institute for Intelligent Cyberinfrastructure with Computational Learning in the Environment; Giovanni Vigna, from the AI Institute for Agent-based Cyber Threat Intelligence and Operation; Yiran Chen, from the AI Institute for Edge Computing Leveraging Next Generation Networks; Ness Shroff, from the AI institute for Future Edge Networks and Distributed Intelligence; and Tess DeBlanc-Knowles, staff associate for technology policy and strategy in NSF's Directorate for Technology, Innovation and Partnerships, to hear how these institutes will drive cutting-edge innovations in AI and how society will benefit from this research.
The History Makers
The HistoryMakers is the world's largest searchable oral history archive, featuring the first-person accounts of over 3,000 African American people from a wide variety of disciplines, including a special subset of STEM community members under a project called "ScienceMakers." Founder Julieanna Richardson tells us about early challenges, memorable moments along the journey and how the Library of Congress is now housing the collection.
The Frontier of Artificial Intelligence
The U.S. National Science Foundation has invested over half a billion dollars to establish the National AI Research Institutes. We are joined by Aarti Singh from the AI Institute for Societal Decision Making; Amy McGovern from the AI Institute for Research on Trustworthy AI in Weather, Climate, and Coastal Oceanography; Ashok Goel from the National AI Institute for Adult Learning and Online Education; Vikram Adve from the Artificial Intelligence for Future Agricultural Resilience, Management, and Sustainability Institute; and Michael Littman, division director for Information and Intelligent Systems in NSF's Computer and Information Science and Engineering Directorate, to hear how these institutes will revolutionize the frontiers of AI and how society will benefit from these innovations.
Unwrapping Heritage Science
A team of researchers at the NSF-supported EduceLab are working to revolutionize digital restoration. They are investigating the Herculaneum Scrolls, ancient writings that were carbonized in the Mount Vesuvius eruption of 79 C.E. We are joined by EduceLab principal investigator Brent Seales, a computer science professor at the University of Kentucky, to hear about imaging the fragile scrolls, using advanced computer technology to process the data and how the Vesuvius Challenge is revealing words.
Insects Scent
Insects play vital roles in the ecosystem, but some species can be pests and home infestations can raise serious health issues. Coby Schal, a professor of entomology at North Carolina State University, joins to share his expertise of how moths and cockroaches communicate, their impacts as pests and strategies for controlling them.
Harnessing Thermal Energy
Today's guest is approaching the grand problem of energy by developing thermal energy batteries. Asegun Henry is a professor in the Massachusetts Institute of Technology Department of Mechanical Engineering, where he also directs the Atomistic Simulation & Energy Research Group. His work has earned him a Guinness World Record and recently an Alan T. Waterman award, the nation's highest honor for early-career scientists and engineers.
Volcanic Eruption and Lava Flow
An understanding of the structure, composition and processes involved in erupting volcanoes and the ways lava flow can help better mitigate the effects of these environmental hazards. Our guest is Stephan Kolzenburg, assistant professor at the University at Buffalo, who joins us to share what makes volcanoes active, how researchers study lava flow in the field and ways to study it from a lab.
The Sun and Eclipses
Eclipses have captured the imagination throughout history. Carrie Black, a program director in the Division of Astronomical Sciences at the U.S. National Science Foundation who oversees operations of the National Solar Observatory, joins us to discuss eclipse phenomena and share facts about the sun and how we use tools such as the Daniel K. Inouye Solar Telescope to observe it.
Experimenting with Antimatter
Timothy Tharp, assistant professor at Marquette University; Danielle Hodgkinson, postdoctoral fellow at University of California, Berkeley; and Andrew Christensen a senior graduate student at UC Berkeley all contributed to the success of the Alpha-g experiment at the European Organization for Nuclear Research (CERN), testing gravity's effect on antimatter. We'll hear about what roles they played, challenges they faced and what's next for the group.
Breakthrough: Gravity’s Effect on Antimatter
The Antihydrogen Laser Physics Apparatus (ALPHA) collaboration is an international group working with antihydrogen atoms at the European Organization for Nuclear Research (CERN), to understand the fundamental symmetries between matter and antimatter. We are joined by professors Joel Fajans and Jonathan Wurtele, NSF-supported researchers at the University of California, Berkeley, to announce the breakthrough results of an experiment looking to understand gravity's effect on antimatter.
Antimatter Explained
Ahead of a special announcement coming later this week, Kevin M. Jones, the William Edward McElfresh Professor of Physics Emeritus at Williams College and a program manager in the Division of Physics at the U.S. National Science Foundation joins to explain what antimatter is, what happens when it comes into contact with other matter, and why you might win a Nobel Prize if you could figure out why it’s so rare.