Coming up on this week's ARIZONA SPOTLIGHT with host Mark McLemore

  • Georgia Davis looks at the rapidly changing science of cord blood medicine, where researchers are studying new ways to use the stem cells taken from umbilical cord blood to treat what are currently considered to be un-treatable conditions.

  • A small, permanent rainwater harvesting system is being built on the University of Arizona campus, with students wielding shovels and pushing wheelbarrows. These students also designed the water harvesting system as part of a class. Mark Duggan takes a closer look at the project and its participants.

ARIZONA SPOTLIGHT is heard every Friday at 8:30 am and 6:00 pm, and every Saturday at 5:00 pm, on NPR 89.1 FM / 1550 AM. Stories are also available online at

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