A new technique that allowed researchers to analyze genetic material from serum samples of HIV patients taken before AIDS was known provides a glimpse into the beginnings of the epidemic.
A UA-led team finds that the four Kuiper Belt Objects with the longest known orbital periods revolve around the sun in patterns most readily explained by the presence of such a planet.
Grasslands and grass crops, covering much of the world's land area and providing half of the calories humans eat, may be unable to respond quickly enough to a changing climate that is outpacing the plants' ability to adapt.
How does natural selection result in evolutionary change? A new method that dramatically reduces the complexity underlying how genetic information is translated into traits could provide biologists with a key.
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UA Science: A Place of Discovery and Innovation

Joaquin Ruiz, DeanThe University of Arizona College of Science brings together globally prominent faculty in disciplines at the core of scientific inquiry and education. One of the largest colleges at the University of Arizona, we are a nexus of award-winning programs that encourage both independent and collaborative-driven research. Our academic departments, schools and research units encompass the range of physical, mathematical, environmental, cognitive and life sciences. UA Science is among the most powerful and prolific academic research centers in the world, recognized and rewarded for the unparalleled caliber of our achievements. With over 7,500 undergraduate and graduate students, we are an integrative learning institution, where accomplished faculty and next-generation scientists engage side-by-side in groundbreaking research. Our scientists and students also share their knowledge with the local and broader community through extensive outreach and public service initiatives. Our mission is to encourage the aggressive pursuit of research excellence, to support novel teaching and outreach programs and to create economic opportunities for our community.

Joaquin Ruiz, Dean

The Value of Nutrition and Exercise, According to a Moth
How can animals that feed mostly on sugar embark on migrations spanning continents? An unexpected discovery was made by biologists in the UA's Department of Entomology.
Concrete Substitute, a UA Startup, Brings Advantages
A new substitute for concrete has a number of advantages over traditional Portland cement and goes by the name Acrete, a combination of “Arizona” and “concrete.”
Terrestrial Ecosystems Feeling the Heat, Research Shows
UA researchers are part of an international study revealing that carbon dioxide stored by ecosystems could be more vulnerable to climate change than previously thought.
'Feeding Your Genome' Conference Scheduled at UA
The conference, hosted by the UA Department of Nutritional Sciences, offers the latest research and practical approaches in the emerging field of precision nutrition and health.
Colorado River Flows to Keep Shrinking as Climate Warms
New research involving the UA's Jonathan Overpeck is the first to show the large role that warming temperatures are playing in reducing the flows of the Colorado River.

Workplace Climate Survey FAQ

The College of Science is conducting a Workplace Climate Survey for faculty, staff, postdocs and graduate students. The results will be used to help ensure a positive, respectful, and inclusive workplace.

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Undergraduate Research

The research opportunities available to UA Science undergraduates make this college a smart choice for students who want to grow academically, socially, and intellectually.

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Tucson: Science Lives Here

UA Science invites you to experience telescopes atop of Tucson's highest peak, a century-old ecological laboratory and the world-class attraction, Biosphere 2.

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