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Arizona Science Desk
More Arizona Science Desk Stories
As Stockpiles Dwindle, Freon Prices Rise
Supply and demand is the biggest factor, but the history of refrigerants shows other costs, and their future is unclear.
Mount Lemmon SkyCenter Open House Saturday
Telescopes, exhibits and family activities show off science of the mountain.
Oro Valley Student Wins Big at International Science Fair
Medical research earns a trip to Nobel Prize ceremonies.
Study to Measure Impact of Contaminant Perchlorate on Yuma Residents
The common chemical could be causing hypothyroidism in the southwestern Arizona town.
Wulfenite Joins Other State Symbols as Official Mineral
The colorful mineral is found in few places outside Arizona.
Former NASA Administrator Sees Key Role for UA in Space
OSIRIS-REx mission to asteroid is unprecedented.
Shadow-Piercing Camera from ASU to Study Moon
The ShadowCam will look at 'dark side of moon' to help plan future missions.
Arizona High School Pair Wins Medical Device Competition
San Luis students improved on a 'g-tube,' which helps patients who can't swallow food.
Inside Arizona's Only Nuclear Power Plant
The plant shuts down a reactor periodically for maintenance and engineering tasks.
Thousands Rally in Tucson to Support Science
Earth Day event aimed at promoting, defending fact-based research.
Downtown Earth Day Rally Aims to Spark Interest in Science
Saturday event at Tucson's El Presidio Park is part of worldwide focus on science
Fast and Bright Asteroid to Near Earth Next Week
The Tucson-discovered space rock will be studied by astronomers all over the world for its properties.
Hohokam Farm Found on Site of Future Phoenix Store
Archaeological work complete, Fry's will break ground on site this week.
'Smart' Agreements Leave More Water in Lake Mead, Regulators Say
Snow pack will add to reservoirs this spring, but the Colorado basin remains in a drought.
Jupiter to Shine Its Brightest and Biggest
Largest planet making closest approach to Earth this year Friday.
Students Show off Science Skills at Annual Fair
More than 2,000 exhibits and activities for kids and adults at the Southern Arizona event.
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