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

UA Wins Grant to Boost Student Exchange in Americas
Graduate students at the UA and universities in Mexico, Brazil and Chile, with support from the 100,000 Strong in the Americas Innovation Fund, will collaborate on water sustainability research.
Improving Drought Planning on the Hopi Reservation
The Hopi Tribe and a team of UA scientists have developed a drought monitoring system to help tribal leaders more accurately prepare for unusually dry conditions and to promote a more community-based planning effort.
UA Science Lecture Series on 'Rethinking Reality'
The popular annual series, free to the public, starts on Jan. 30 and will explore cutting-edge concepts in modern physics. Each lecture will be streamed live by Arizona Public Media.
Three Ways to Be a Winner in the Game of Evolution
A new study by UA biologists helps explain why groups of animals differ dramatically in their number of species — and how this is related to differences in their body forms and ways of life.
New 'Rogue One' Film Provides Interesting Study in Cybersecurity
The theft of architectural plans isn't just the stuff of fiction. UA cybersecurity expert Hsinchun Chen explains how the Empire could have better protected the design plans for the Death Star.

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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