Lead Producer and Host: Mike Brennan
ES 22 Producers: Deborah Byrd, Emily Howard, Jorge Salazar
Science news of the week:
Seals sleep with half their brain
Comet PANSTARRS now in view from the Southern Hemisphere
Scientist have halted the growth of prostate cancer in mice
Scientific explanation of the “foggy brain” symptom of chemotherapy
Song of the week:
Devon Sproule’s “The Unmarked Animals”. Check out her Kickstarter campaign for her new album Colours.

The predawn sky on Saturday morning – January 5, 2013 – as seen by EarthSky Facebook friend Annie Lewis. Notice the planet Saturn and star Spica. Thanks, Annie!
This week’s featured stories:
Skywatching the full moon, Saturn, Spica Michael and Deborah talk about what to see this week in the night sky. Saturn returns to view!
Song “Lake Charelvoix” by Dana Falconberry
Habitable zones and extremophiles Emily Howard speaks with NASA research astronomer Stephane Kane about what conditions create a habitable zone, and what kinds of life might exist on distant planets.
Thanks for listening in to your 22 minutes of science and music!
This week’s musical contributors: