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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.
'Mars is Beautiful,' UA Scientists Enthuse Over Book of HiRISE Images
Also on Arizona Spotlight: Finding a future for historic Tucson places to become community art spaces; tune in with the UA amateur radio club; and new music from the Weiss / Soflin duo.
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.
Inside Arizona's Only Nuclear Power Plant
The plant shuts down a reactor periodically for maintenance and engineering tasks.
'Woven Through Time' Reveals Cultural Fabric of the Southwest
Also on Arizona Spotlight: A state budget update; Dr. David Alberts retires from the UA Cancer Center; and "A Book I Love" returns.
Annie Laos, A Tucson Original, Remembered by Friends and Family
Also on Arizona Spotlight: A look at alternatives to a physical border wall; how genome research helps science to understand epilepsy; "I Dream in Widescreen" brings new film makers' work to light.
Thousands Rally in Tucson to Support Science
Earth Day event aimed at promoting, defending fact-based research.
Episode 134: Earth Week - From Climate Science to Corporate Science
Politics, wildfire danger, corporate environmentalism and a solar wall.
National Weather Service Wants Help Spotting Storms
Program helps meteorologists get view of incoming storms to make monsoon safer.
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
Tucson Science Rally Gains Momentum as Earth Day Approaches
Also on Arizona Spotlight: Attorney General Sessions gives speech in Nogales; artist Lex Gjurasic stamps out reality; and Arizona's round-tailed ground squirrels get the attention they deserve.
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