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:

Devon Sproule

Sleep Good

The Black and White Years

Dana Falconberry

One Hundred Flowers

EarthSky 22

Thanks for the great response to EarthSky 22! Tell your friends about the best new science podcast on the Internet - 22 minutes of science and music - direct to you from Austin, Texas. Join producer/host Mike Brennan right here every week for EarthSky 22, brought to you by EarthSky: A Clear Voice for Science.