University of Arizona in the News

According to a 2013 report on philematology, Dr. Joseph S. Alpert, a professor of medicine and medical director of cardiac rehabilitation at the University of Arizona College of Medicine – Tucson, writes that a simple kiss can burn 2 to 3 calories per minute, whereas passionate kisses can burn up to 5 to 26 calories per minute.

Ladd Keith, an assistant professor in the University of Arizona College of Architecture, Planning and Landscape Architecture, writes that cities must begin planning for heat resilience to increasing heat risk.

Experts say residents of older, substandard mobile homes are at higher risk of death in summer’s blazing temperatures. "We are beginning to see this to be a real health concern, certainly a moral one," said Margaret Wilder, an associate professor in the School of Geography, Development and the Environment at the University of Arizona.

Data from the AZ HEROES study show COVID-19 vaccines are highly effective in preventing SARS-CoV-2 infections, and when breakthrough infections do occur, the level of infection and impact of the disease are significantly reduced.

Data from the AZ HEROES study show COVID-19 vaccines are highly effective in preventing SARS-CoV-2 infections, and when breakthrough infections do occur, the level of infection and impact of the disease are significantly reduced.

University of Arizona professors Robert Varady and Andrea Gerlak write that the United States and Mexico are tussling over their dwindling shared water supplies after years of unprecedented heat and insufficient rainfall.

Chris Impey, a University Distinguished Professor of Astronomy at the University of Arizona, takes part in a roundtable discussion of the Pentagon's report on unidentified aerial phenomena and explores the cultural history and scientific taboo around UFOs.

The highly transmissible Delta variant rapidly spreading in the U.S. and spurring some calls for masks regardless of vaccination status harbors over a dozen mutations, some of which are linked to vaccine escape and heightened spread from person to person, experts say. "The mutations allow the Delta variant virus to spread more quickly and make infected people sicker," said Janko Nikolich-Zugich, professor and chair of the Department of Immunobiology at University of Arizona College of Medicine – Tucson.

Supermassive black holes are at the heart of galaxies and they are the engines of quasars, the brightest light sources in the heavens that can be seen across the expanse of the Universe. A team including Professor Xiaohui Fan of the University of Arizona has identified the oldest quasar in the universe.

Chris Impey, a University Distinguished Professor of Astronomy at the University of Arizona, writes that he does not believe that the new Pentagon report or any other sightings of UFOs in the past are proof of aliens visiting Earth, but that the report is important because it opens the door for a serious look at UFOs.