Science and Technology

Frogs, like mammals, originated as predominantly nocturnal animals, but maintained the ability to communicate acoustically after switching to being active during the day. (Photo: Peter Trimming)
Jan. 17, 2020
A study tracing acoustic communication across the tree of life of land-living vertebrates reveals that the ability to vocalize does not seem to drive the formation of new species across vertebrates.
Jan. 16, 2020
University of Arizona researchers hope to create an AI agent that can gather and use information about humans' social interactions in order to help teams meet their goals.
Mo Almarhoun, a nationally ranked athlete in Saudi Arabia, came to the United States to fulfill his dream of being a student-athlete.
Jan. 15, 2020
Mo Almarhoun came to the United States from Saudi Arabia to pursue chemical engineering and life as a student-athlete.
Jan. 14, 2020
With an 18-spot jump from last year and a 70-spot increase from the university's inaugural appearance in 2017, Arizona Online is one of the nation's fastest-rising universities in the rankings.
This photo was taken Jan. 26, 2014, during California's most recent "perfect drought" and shows low water drought conditions at Folsom Dam and Lake, located in Sacramento and El Dorado counties. Folsom Lake is part of the Central Valley Project, operated by the U.S. Department of the Interior and Bureau of Reclamation. (Photo: John Chacon/CADWR)
Jan. 13, 2020
A University of Arizona-led study used the annual growth rings of trees to reconstruct a long-term climate history and examine the duration and frequency of "perfect droughts" in Southern California's main water sources.
An array of objects professor Andrew Wessman and have students have produced using additive manufacturing machines, including a bottle opener, a fidget spinner and a metal business card. (Photo: Emily Dieckman)
Jan. 13, 2020
A $400,000 piece of equipment provided by Honeywell expands the University of Arizona’s additive manufacturing initiative with its ability to print metal components for aerospace and medical needs.
Jan. 9, 2020
The new NEID instrument, designed to measure the motion of nearby stars with extreme precision, has obtained "first light" and is ready to embark on its quest to characterize exoplanets as small as Earth.
Ice sheets on the Southern Ocean. (Photo: Hannah Zanowski)
Jan. 6, 2020
Oxygen loss and warming in the Southern Ocean around the Antarctic coast is much larger than predicted due to increased freshwater from melting ice sheets and increased wind.
Poplar trees are fast-growing trees that are a source of biofuel and other products including paper, pallets, plywood and furniture frames. (Photo: David J.P. Moore)
Jan. 6, 2020
University of Arizona-led research found that trees in which isoprene production was genetically suppressed did not suffer ill effects in terms of photosynthesis or biomass production.