Preserving prairie dog+raptor ecosystem (start time: 5:03) Spring has just begun, even if winter hardly visited Colorado. On the plains, prairie dog colonies seem to be in full swing. However, populations of these keystone species have plummeted, as the grasslands they and raptor predators rely on are being fragmented by urban development, as well as oil and gas, and to some degree solar and wind, development. In this week’s show we discuss the imperiled prairie ecosystem and efforts to further conserve them, with Dr. Rich Reading, vice president of science and conservation at the Butterfly Pavilion; and Dana Bove, founder of the nonprofit Front Range Nesting Bald Eagle Studies. Click here for information about and to register for their and colleagues’ upcoming Science and Conservation Symposium (March 31 and April 14) in Denver.
Hosts: Susan Moran, Joel Parker
Show Producer: Susan Moran
Engineer: Joel Parker
Executive Producer: Beth Bennett
Listen to the show here:
Podcast: Play in new window | Download (Duration: 27:17 — 37.5MB)
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How big is the universe – not just in the scale of distance but also the scale of time? What do those…astronomical…scales mean about us humans on Earth and how can we understand and measure such vast expanses? In this episode, our guest, astronomer and author 
On this week’s How on Earth, we hear from a climate scientist about the implications of our changing weather patterns for winter recreation. It’s a warm, dry winter, throughout the Rocky Mountain West and elsewhere in the country, the weather has been a mixed bag. 
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On today’s science show we hear from vaccine researchers Rochelle Walensky and Angela Ulrich, and physician/scientist Peyton Thompson, about the safety and efficacy of the hepatitis B vaccine. This is one of 6 that have been removed from the list of recommended childhood vaccines by the CDC. You’ll hear about the history of the vaccine regarding its complete safety and the huge reduction in disease burden following the adoption of the birth vaccine.
