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Cool Science Radio

Cool Science Radio | June 10, 2025

By Lynn Ware Peek,

Scott Greenberg

Published July 10, 2025 at 4:57 PM MDT

Ways To Subscribe

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Lee Billings, the senior science editor for Scientific American, talks about the Vera C. Rubin Observatory in northern Chile that has recently released its first images of the southern sky. (02:05)

Demographic planner Dean Spears talks about the science of depopulation, the possible start of a global population decline in the next 50 years and it potential for detrimental effects. (29:38)

Cool Science Radio

Lynn Ware Peek

KPCW Co-Host / Producer

See stories by Lynn Ware Peek

Scott Greenberg

Volunteer DJ and wine expert

See stories by Scott Greenberg