College of Science

A screenshot from Eric Plemons' lecture on propaganda, offered on the Panopto online video platform.
April 1, 2020
As the COVID-19 pandemic continues to impact so many aspects of people's lives, University of Arizona faculty members from a range of disciplines are finding ways to use the global health crisis as a teachable moment in their courses.
Charlotte Pearson holds the tree sample containing the light ring that might mark the date of the Thera eruption. (Photo: Mikayla Mace)
March 30, 2020
Research led by the UArizona Laboratory of Tree-Ring Research provides context for the civilizations that existed throughout the Bronze and Iron Ages, and may provide a date for the infamous Thera volcano eruption in Santorini, Greece.
March 30, 2020
University of Arizona researchers probed Martian meteorites to reconstruct Mars’ chaotic history. Their findings suggest that Mars likely received water from at least two vastly different sources early in its history.
Phrases made common amid the COVID-19 pandemic – such as "self-quarantine," "self-isolation" and "shelter-in-place" – have disparate interpretations. Some hear them and feel the need to hide out at home, while others think it's time to throw a party. (Graphic: Eddie Canto/Research, Innovation & Impact)
March 26, 2020
From podiums and podcasts to Tweets and TikTok videos, everyone is talking about COVID-19, but not everyone is using the same words to mean the same things.
A Mexican leaf frog, photographed near Alamos, Mexico. Both plant and animal species in the tropics, like this frog, were found to occur over a narrower range of temperatures than temperate species, which may make tropical species much more vulnerable to climate change. (Photo: John J. Wiens)
March 24, 2020
A new study, led by John J. Wiens, reveals that plants and animals are remarkably similar in their responses to changing environmental conditions across the globe.
March 17, 2020
UArizona psychologist David Sbarra shares tips for how to take care of your mental health and support children and loved ones in an uncertain time.
The north wall and room block of Pueblo Bonito, the largest of the great houses in Chaco Canyon. Pueblo Bonito is considered widely as the center of the Chaco world. (Photo: Thomas Swetnam)
March 16, 2020
A symbol of life, ancient sundial or firewood? Tree-ring scientists studied a log unearthed almost a century ago and found it may have more mundane origins than previously thought.
Tuvan throat singing originated in central Asia and has been practiced for generations.
March 10, 2020
In Tuvan throat singing, dual tones are produced simultaneously. The unique style of singing originated in central Asia, where Tuvans have been practicing for generations.
When brains of the fruit fly are labeled with an antibody binding to a protein required for learning and memory, its mushroom bodies light up when viewed under a microscope. Here, the mushroom bodies are superimposed onto an image of the fly brain. (Image: Gabriella Wolff and Nicholas Strausfeld)
March 3, 2020
Crustaceans share a brain structure known to be crucial for learning and memory in insects, a University of Arizona-led research team discovered.