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This is just one of the many types of rattlesnake in the desert wilderness of Arizona.

Warmer Weather May Increase Rattlesnake Encounters

But experts say common sense, education can usually prevent unwanted interactions with the venomous creatures.

This is just one of the many diverse gardens owned by members of the Cactus Society is Tucson.

Local 'Society' Cultivates Passion for Drought Tolerant Plants

Tucson Cactus and Succulent Society is a nonprofit organization helping educate residents, rescuing desert species

Christopher Conover, a corespondent for Arizona Public Media and a scientist from Biosphere 2 dive in the facilities fully replicated ocean.

Diving Under Glass: Adventure .001 Leagues Under Sea

AZPM's Christopher Conover dives into the glass enclosed ocean at Biosphere 2; 'From time to time, my job lets me go and do things on my bucket list,' he says.

Gulp! - Adventures in the Alimentary Canal

Science writer Mary Roach discusses her latest book, an in-depth look at the science of food - and other things people can swallow.

Edward Beshore, Deputy Principal Investigator for OSIRIS REx Mission, discusses the dangers Earth faces from space objects.

UA Gets NASA OK to Move Ahead with Mission to Asteroid

Launch of OSIRIS-REx scheduled for 2016, returning in 2023 with soil samples, mapping to explore origins of solar system.

We visit an Archeology Expo hosted at Catalina State Park.

Expo Teaches About Past Through Archeology

The annual event hosted by Arizona State Parks has been around for 32 years; highlights region's history.

Heidi Hopkins, Ph.D., University of New Mexico Museum of Southwestern Biology, discusses her recent discovery of 39 new species of cockroach that live in the southwest U.S. and Mexico.

New Cockroach Species Found in SW

Several years ago Heidi Hopkins began studying taxonomy of roach family known as Corydiidae.

We talk to Dustin Huynh and Sabrina Ball, members of the UA American Society of Mechanical Engineers, to discuss human power vehicles.

UA Students Participating in Human Powered Vehicle Contest

Engineering students will compete against other universities at the Human Powered Vehicle Challenge.

Center Responds to Possible Worsening of Global Warming

A U.N. weather agency says there may be irreversible damage to the planet; a new Tucson center drafting plans for how people could survive.

Researcher Combines Art, Science in Cancer Spread Study

UA assistant professor of cellular & molecular medicine, Ghassan Mouneimne, uses microscopes and Photoshop to create startling images of cancer cells.

We learn about the health risks for children with IBD, we speak with Fayez Ghisham, M.D. Director of the Steele Children's Research Center.

Medical Findings Could Protect IBD Patients from Bone Loss

New discovery by research team led by UA doctor makes the link between inflammatory bowel disease and osteoporosis.

UA Professors Traces Origins of Flu

For years wild migratory birds have been considered a source of all flu viruses, but his research finds differently.

The C.S.I. Effect

Alexis Gray, one of the nation's top forensic anthropologists, discusses how popular TV shows have changed the public's expectations about forensic science.

Janko Nikolich-Zugich, Chair of the UA department of Immunobiology, discusses the importance of T-cells and the role they play in our bodies as we age.

UA Researchers Study Changes in Immune System with Age

As people grow older body produces less T-cells which are key to defending off viruses, bacteria; findings could lead to immune system rejuvenation methods, researcher suggests.

Pictured here, the Santa Cruz River flows from the highlands in Mexico down to the south eastern parts of Arizona.

AZ Water Experts Working with MX Counterparts on Preservation

Arizona and Sonora, Mexico share water from the San Pedro and Santa Cruz Rivers; collaborating to save resources.

Smartphone App Could Possibly Be Used to Vote

Research published in journal Human Factors; voting could be faster and more effective tech expert says.

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