Arizona Science

We often hear about feelings that come from our gut. Researchers led by University of Arizona physiologist Maya Kaelberer are working to understand how our gut and brain communicate. Their studies could lead to new strategies for addressing diet-related diseases and more. Maya Kaelberer spoke to Leslie Tolbert, Ph. D Regent's professor emerita in Neuroscience at the University of Arizona.

The Trump administration is moving to dismantle some of the world's leading climate and weather research institutions. It's the latest result in the politicization of climate science. University of Arizona Environmental Science professor Kathy Jacobs explains how explaining climate science has turned increasingly difficult over the past several years. Kathy Jacobs spoke with Leslie Tolbert, Ph. D. Regent's professor in Neuroscience at the University of Arizona.

The Trump administration is moving to dismantle some of the world's leading climate and weather research institutions. It's the latest result in the politicization of climate science. University of Arizona Environmental Science professor Kathy Jacobs explains how explaining climate science has turned increasingly difficult over the past several years. Kathy Jacobs spoke with Leslie Tolbert, Ph. D. Regent's professor in Neuroscience at the University of Arizona.

Scientists from around the world have spent two years examining material brought back to Earth from the asteroid Bennu by the University of Arizona-backed Osiris REx mission. U of A planetary scientist Jess Barnes discusses some of the findings from the Bennu samples, including how one of the minerals resembles ordinary kitchen table salt. Jess Barnes spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Many tribal communities are using sustainable practices associated with their culture, but water access is still an issue. University of Arizona environmental professor Karletta Chief discusses how tribes are adapting to drought conditions and ensuring there's enough water for farms and homes. Karletta Chief spoke with Leslie Tolbert, Ph.D Regent's professor in Neuroscience at the University of Arizona.

The rapid influence of artificial intelligence is making choice-making behavior more important than ever. University of Arizona marketing professor Martin Reimann discusses how potential consumers who can detect AI in advertising are less likely to choose those products over others. Martin Reimann spoke with Leslie Tolbert, Ph. D. Regent's professor emerita in Neuroscience at the University of Arizona.

Scientists are learning about the current drought in the Southwest by studying climate change in the past. University of Arizona researcher Ellie Broadman discusses drought evidence found in tree rings that show what happened in the jet stream before man-made global warming took place. Ellie Broadman spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.

Scientists are learning about the current drought in the Southwest by studying climate change in the past. University of Arizona researcher Ellie Broadman discusses drought evidence found in tree rings that show what happened in the jet stream before man-made global warming took place. Ellie Broadman spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.

Generative artificial intelligence is emerging as a tool to look at how people learn language. University of Arizona professor Gondy Leroy discusses research into how advanced machine learning can help families diagnose autism through the way their children acquire speaking skills. Gondy Leroy spoke with Leslie Tolbert, Ph. D. Regent's professor in Neuroscience at the University of Arizona.

Squirrels are notorious for being somewhat anti-social creatures. A team of researchers is trying to understand how the animals share crucial microbes that keep them healthy. University of Arizona evolutionary biologist Lauren Petrullo discusses the behavior of squirrels that leads to microbial exchange. Lauren Petrullo spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

People have spent decades trying to find a way to measure the dimension of imagination. University of Arizona neuroscientist Jessica Andrews-Hanna discusses what happens in our brains when we find ourselves lost in thought, or when we develop brand new ideas. Jessica Andrews-Hanna spoke with Leslie Tolbert, Ph.D. Regent's professor emerita in Neuroscience at the University of Arizona.

People have spent decades trying to find a way to measure the dimension of imagination. University of Arizona neuroscientist Jessica Andrews-Hanna discusses what happens in our brains when we find ourselves lost in thought, or when we develop brand new ideas. Jessica Andrews-Hanna spoke with Leslie Tolbert, Ph.D. Regent's professor emerita in Neuroscience at the University of Arizona.

Firefighters have found extensive underground burrows dug by prairie dogs helped them halt the advance of wildfires in some Western states. University of Arizona researcher Courtney Duchardt discusses data suggesting prairie dog colonies can alter landscapes and reduce wildfire spread and intensity. Courney Duchardt spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Firefighters have found extensive underground burrows dug by prairie dogs helped them halt the advance of wildfires in some Western states. University of Arizona researcher Courtney Duchardt discusses data suggesting prairie dog colonies can alter landscapes and reduce wildfire spread and intensity. Courney Duchardt spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Tens of billions of pounds of wasted food ends up in landfills in the United States each year. University of Arizona professor Goggy Davidowitz is leading a team developing a system that collects food waste and dries it in a vertical greenhouse, so it can be used to fertilize fields and feed livestock. Goggy Davidowitz spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Tens of billions of pounds of wasted food ends up in landfills in the United States each year. University of Arizona professor Goggy Davidowitz is leading a team developing a system that collects food waste and dries it in a vertical greenhouse, so it can be used to fertilize fields and feed livestock. Goggy Davidowitz spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Researchers know dark matter exists in the universe, but the evidence is hard to find. University of Arizona astronomy professor Dennis Zaritsky explains how scientists are exploring the space between galaxies to resolve this decades-old mystery. Dennis Zaritsky spoke to Tim Swindle, professor emeritus of planetary science at the University of Arizona.

An organization that helps researchers win grants for their work on the University of Arizona campus nearly shut down because of the Trump administration's funding freeze earlier this year. BRISA Center for the Environment director Paloma Beamer discusses how it is continuing its mission despite losing support from the federal government. Paloma Beamer spoke with Leslie Tolbert, Ph. D Regent's professor emerita in Neuroscience at the University of Arizona.

It's been almost 20 years since Pluto lost its status as the ninth planet in our solar system. Now astronomers think they have identified a candidate to take its place. Katherine Volk with the Tucson-based Planetary Science Institute discusses a rare object that is orbiting the sun in step with the eighth planet, Neptune. In this extended episode, Katherine Volk spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.

Astronomers released the first photographs from the Vera Rubin Observatory two months ago. Operations director Robert Blum describes how the University of Arizona-backed instrument is creating anticipation among scientists for new discoveries about the universe.

It's been almost 20 years since Pluto lost its status as the ninth planet in our solar system. Now astronomers think they have identified a candidate to take its place. Katherine Volk with the Tucson-based Planetary Science Institute discusses a rare object that is orbiting the sun in step with the eighth planet, Neptune. Katherine Volk spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.

Dryland farming has been a staple for indigenous desert communities for centuries. University of Arizona professor Michael Kotutwa Johnson discusses how modern solutions to growing crops during the drought can be developed through traditional farming methods practiced on tribal lands. Michael Kotutwa Johnson spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Dryland farming has been a staple for indigenous desert communities for centuries. University of Arizona professor Michael Kotutwa Johnson discusses how modern solutions to growing crops during the drought can be developed through traditional farming methods practiced on tribal lands. Michael Kotutwa Johnson spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Some of the earliest known evidence of humans living in and around southern Arizona and New Mexico has been traced to around 23,000 years ago. University of Arizona archeologist Vance Holliday discusses his finds near White Sands Missile Range and how they add to the book of human history in the region. Vance Holliday spoke with Leslie Tolbert, Ph.D. regent's professor emerita in Neuroscience at the University of Arizona.

Asteroid trackers are scanning the Earth's neighborhood to find any objects that pose a threat to our planet. University of Arizona planetary scientist Vishnu Reddy discusses a network designed to coordinate efforts worldwide to respond to potential life-threatening asteroid impacts. Vishnu Reddy spoke with Tim Swindle, professor emeritus in Planetary Science at the University of Arizona.

Researchers have found stress and trauma experienced during childhood leads to emotional and cognitive disorders later in life. University of Arizona behavioral neuroscientist Lindsay Halliday discusses how brain development is affected by our early environment. Lindsay Halliday spoke with Leslie Tolbert Ph. D. Regent's professor emerita in Neuroscience at the University of Arizona.

The Sonoran Desert region called Pinacate is often compared to other worlds in our Solar System. David Crown with the Tucson-based Planetary Science Institute explains how researchers are comparing Pinacate's ancient lava flows to photographs taken of Mars by robotic explorers. David Crown spoke with Tim Swindle, professor emeritus of Planetary Science at the University of Arizona.

Magicians have fascinated audiences for centuries. University of Arizona psychologist Eve Isham describes how magicians and illusionists use science to develop their effects and the connection with the inner workings of the mind. Eve Isham spoke with Leslie Tolbert Ph.D Regent's professor emerita in Neuroscience at the University of Arizona.

Nanotechnology is allowing scientists to go beyond the microscope to see the smallest structures. University of Arizona optical scientist Euan McLeod describes high tech tools that let us observe and analyze objects at the molecular level. Euan McLeod spoke with Leslie Tolbert, Ph. D. Regent's professor emerita in Neuroscience at the University of Arizona.

Neanderthals existed at the same time as Homo sapiens hundreds of thousands of years ago.

Neanderthals existed at the same time as Homo sapiens hundreds of thousands of years ago.

Scientists are finding ways to improve pictures to better align with the way our eyes see them.

Scientists are finding ways to improve pictures to better align with the way our eyes see them.

Scientists are finding ways to improve pictures to better align with the way our eyes see them.

Some of the most traumatic highlights in Earth's history can be found in ancient tree rings.

Dark energy can't be seen but space scientists say it can be measured through the outward movement of supernovae and galaxies.

Researchers are revolutionizing medical imaging by creating extremely small devices that can see inside the human body.

Scientists are studying the biological connections within and between species that benefit both. University of Arizona evolutionary biologist Judith Bronstein identifies examples of mutualism, ranging from bacterial organisms to plant pollinators.

Scientists are studying the biological connections within and between species that benefit both. University of Arizona evolutionary biologist Judith Bronstein identifies examples of mutualism, ranging from bacterial organisms to plant pollinators.

Astronomers are focusing on the smallest and most distant galaxies in the universe. University of Arizona researcher David Sand describes how he locates dwarf galaxies through digital sky surveys and gathers information about them using ground-based telescopes in the Southern Hemisphere.

Astronomers are focusing on the smallest and most distant galaxies in the universe. University of Arizona researcher David Sand describes how he locates dwarf galaxies through digital sky surveys and gathers information about them using ground-based telescopes in the Southern Hemisphere.

Now that people are driving electric cars and buses, researchers are working on the feasibility of all-electric airplanes.

Now that people are driving electric cars and buses, researchers are working on the feasibility of all-electric airplanes.

Visitors imagine Biosphere 2 as a place for large scale research on plant life and ocean biology.

Visitors imagine Biosphere 2 as a place for large scale research on plant life and ocean biology.

Arizona's ties to copper go back to the territorial era, but the mineral also plays a big part in human health.

Arizona's ties to copper go back to the territorial era, but the mineral also plays a big part in human health.

Plants and their pollinators work together to promote successful natural growth.

Plants and their pollinators work together to promote successful natural growth.

People coping with clinical amnesia provide a window to the importance of memory.

Exchanging messages with aliens is the source material for science fiction stories, but scientists have been trying to communicate with outer space intelligence for decades.

Scientists are say the ability to recognize emotion is essential for advanced human-computer communication.

Diverse languages and cultures interact every day in Southern Arizona. University of Arizona Speech and Cognitive Science professor Genesis Arizmendi discusses how being bilingual shapes how we communicate and connect within our communities.

Scientists have long known Mars has annual seasons just like Earth. University of Arizona planetary scientist Shane Byrne describes how 20 years of observations by the U-of-A built HiRISE orbiting camera have given researchers new insight into what happens on the surface during the 687 Earth-day Martian year.

Advances in 3-D modelling are leading to new ways of visualizing the surface of the Moon, Mars and other objects in the solar system.

Medical researchers are shifting their attention to bird flu this season. University of Arizona professor Mohaned Al-Obaidi discusses how the H5N1 strain has created a challenge for scientists fighting the spread of the emerging virus.

Scientists studying eating disorders are focusing on a part of the brain that governs food consumption and emotions. University of Arizona neuroscientist Haijiang Cai discusses how understanding the two functions could help people coping with anorexia.

Researchers are finding chimpanzees have more in common with humans that was previously thought. University of Arizona anthropologist Jacob Negrey discusses how chimpanzees transition to old age and how that translates to the human experience.

The Corn Earworm attacks both corn and cotton in Arizona, causing millions of dollars in damage each year. University of Arizona director of Entomology Bruce Tabashnik discusses why genetically engineered crops developed to defeat the Earworm have failed to keep the pest at bay.

Plants and animals were not always as colorful as we see them today. University of Arizona evolutionary biologist John Wiens discusses the evolution of color for plant and animal species that developed hundreds of millions of years ago.

The fight against COVID-19 became part of our lives four years ago. Researchers are still working to find out how to it started. University of Arizona immunobiologist Michael Worobey discusses the latest findings and considers the possibilities of new pandemics brewing around the globe.

The James Webb Space Telescope is giving astronomers a closer look at the creation and development of planets. University of Arizona planetary scientist Ilaria Pascucci discusses a new study on protoplanetary disks, described as a cradle where new planets are born.

Kitt Peak National Observatory has reopened to the public after closures due to the pandemic and a mountain wildfire. Visitors Center Operations Manager Peter McMahon talks about what people can see and do among the largest collection of scientific research telescopes in North America.

Scientists are learning more about dogs and their special communicative link with people.

Developments over the past decade have demonstrated the complexities of collecting and interpreting big data.

Scientists are catching up with the evolution of diet among animal species.

The Large Binocular Telescope has been observing planets, stars, and galaxies from atop Mount Graham since 2005. Telescope staff scientist Al Conrad discusses the most recent pictures it captured of Jupiter's volcanic moon Io.

Astronomers with the University of Arizona-backed Vera Rubin Observatory are on track to start their work early next year. Project outreach and education director Alan Strauss discusses how they will use the largest camera ever built to take a highly-detailed time-lapse look at our universe.

Scientists say 95 percent of the thickest ice in the Arctic Ocean has already melted. Now they are focusing on ice melt from inland glaciers in the Northern Hemisphere and how it's affecting sea level rise. University of Arizona planetary scientist Jack Holt is leading a team trying to predict how glaciers build and retreat in response to climate change.

Atomic particles move at one quintillionth of a second. University of Arizona physicist Mohammed Hassan is developing instruments that can detect light pulses in attoseconds, providing a new tool to measure quantum states of matter.

External brain stimulation is being used to treat issues ranging from schizophrenia to depression. University of Arizona psychology professor Ying Hui Chou talks about Transcranial Magnetic Stimulation and its treatment potential for Alzheimer's patients.

A retired University of Arizona educator is making science available for kids learning at home. Optical Science professor emeritus Richard Powell talks about the challenge of writing a physics textbook that can be used by families dedicated to homeschooling education.

Polluted ground and water in the Arctic have gone unnoticed for decades. University of Arizona environmental health scientist Frank von Hippel is working with Native American tribes in Alaska to locate and clean up pollution from military installations dating back to the Cold War.

Some former COVID-19 patients are still suffering symptoms years after first encountering the coronavirus. University of Arizona immunologist Janko Nikolich is contributing to an ongoing national study on Long COVID. He discusses why Long COVID continues to mystify researchers looking into the different COVID-19 variants.

Scientists are studying how sounds, smells, and other natural elements make a difference in how comfortable we feel in our homes and offices. University of Arizona Architecture professor Altaf Engineer focuses his research on health and well-being in the built environment. He's researching the ways designers can impact social and behavioral issues through the buildings they create.

As our climate changes, growing seasons and migration patterns are happening at different times than in the past. University of Arizona environmental researcher Theresa Crimmins describes how seasonal data collection is revealing changes in the common design of nature.

Parkinson's disease affects an estimated 1 million Americans. University of Arizona neurology professor Lalitha Madhavan describes how a simple extraction of skin cells can uncover biomarkers that could help doctors diagnose Parkinson's in their patients.

Scientists are trying to get more accurate measurements of conditions in the continent of Antarctica. University of Arizona Hydrology and Atmospheric Sciences professor Ali Behrangi describes how using a satellite in space can deliver data about snow and ice in one of the world's harshest environment.

Wildlife scientists are exploring which species are best adapting to the effects of climate change. University of Arizona evolutionary biologist Lauren Petrullo describes a long-term field project focusing on wild North American Red Squirrels and their everyday resilience habits.

Not much is known about the science of imagination because few studies have asked the question of what triggers creativity. University of Arizona psychology professor Jessica Andrews-Hanna talks about what develops in our brains when we turn our thoughts inward.

The growth of computing systems and artificial intelligence is creating barriers for institutions trying to navigate cyberinfrastructure. University of Arizona Data Science Institute director Nirav Merchant talks about his research helping people crunch massive amounts of data.

Motor vehicle crashes are preventable but accidents are still ranked as the top cause of death for Americans under the age of 40. University of Arizona civil engineering professor Alyssa Ryan studies transportation crash data. She's looking deeper into why certain populations experience higher traffic mortality rates than others.

Astronauts left the last seismometers on the moon's surface during the Apollo program 50 years ago.

Scientists studying the world's oceans are finding proof that the Earth is responding to efforts by populations fighting climate change.

The pace of local extinctions is on the rise in the sky islands of the Sonoran Desert. University of Arizona evolutionary biologist John Wiens is tracking lizard populations in mountainous regions of southern Arizona and western Mexico and found some species are struggling with the changing climate.

REPEAT. Researchers studying prostate cancer have found introducing the disease in mice does not always produce accurate results.

Tree ring researchers are exploring the lives of sea creatures that document climate change just like trees do. The University of Arizona's Bryan Black reveals studies of underwater life like corals and rockfish which match a climate history also revealed in tree rings on land.

Elderly dogs can suffer from cognitive dysfunction, similar to dementia in humans. Evan MacLean with the Arizona Canine Cognition Center in Tucson explains how games and puzzles that provide mental stimulation for dogs helps researchers understand how human brains respond at an advanced age.

The saguaro cactus has been a source of study for southern Arizonans for decades. Saguaro National Park wildlife biologist Don Swann is among the scientists asking why saguaros are biologically fit to survive the ongoing drought, and looking deeper into its role in the desert ecosystem.

Our cognitive abilities change as we grow older.

Artificial intelligence is being put to work solving the challenge of feeding the planet. University of Arizona professor Murat Kucira talks about how advanced computing can help deal with issues like farming efficiency and the impact of climate change due to global warming.

Studies found that traditional farmers did not suffer from lung diseases usually caused by dust in the fields where they worked.

Researchers say people perceive sound based on where they are when they hear it.

Economists often describe how consumer confidence drives spending decisions, but scientific researchers are asking if it's the other way around.

The best way to observe the universe is with a telescope above the Earth's atmosphere, and the least expensive way to get there is using a stratospheric balloon. University of Arizona astronomy professor Chris Walker explains how he and his team are mapping the Milky Way with a balloon-mounted telescope above Antarctica.

Researchers are looking at chemistry in sea water that affects coral reefs. University of Arizona Geosciences professor Diane Thompson talks about how events recorded in corals can help investigate climate change.

Researchers are looking at chemistry in sea water that affects coral reefs. University of Arizona Geosciences professor Diane Thompson talks about how events recorded in corals can help investigate climate change.

Researchers studying prostate cancer have found introducing the disease in mice does not always produce accurate results.

Researchers are investigating ways to use waste from fossil fuels to create a new class of advanced plastics. University of Arizona chemistry professor Jeff Pyun talks about how scientists are changing the way companies are thinking about plastic production. He will be the final speaker for the College of Science free lecture series next Wednesday.

The University of Arizona-backed James Webb Space Telescope has opened new insight about planets outside our solar system. UA planetary scientist Sara Moran reveals the latest knowledge about exoplanets and the bizarre materials that make up their atmospheres. Dr. Moran is one of the featured presenters in the 2024 College of Science lecture series.