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International Space Station following most recent upgrade. Credit: STS-119 Shuttle Crew, NASA.

Google Unveils 'Android' on Phone: Can web search giant Google make it big by backing a new type of mobile phone? (first broadcast Friday, September 26, 2008)

Carl Djerassi's 'Taboos': We'll talk with scientist and playwright Carl Djerassi about his new play, 'Taboos,' a story about love, sex and parenthood in an age of reproductive technologies. (first broadcast Friday, September 26, 2008)

Solar Winds: New research suggests that the solar wind is weaker now than it has been in the past. What does that mean, and why does it matter? (first broadcast Friday, September 26, 2008)

Mars: In this segment, we'll get the big picture on science on the planet Mars. From orbiting observatories to roving rovers to the ditch-digging Phoenix -- what have planetary scientists learned about Mars, and what remains to be discovered? (first broadcast Friday, September 19, 2008)

Chile Peppers: In this segment, live from Tucson, Arizona, we'll take a scientific look at the chile pepper, from the chemistry and biology of a pepper's burn, to the psychology of why some people like it hot. Grab some salsa and listen in! (first broadcast Friday, September 19, 2008)

Arizona Astronomy: With it's dark skies and world class telescopes, Arizona is close to heaven for amateur astronomers. In this segment, we'll help you get the best view of the night sky, with two of the regions top star gazers. (first broadcast Friday, September 19, 2008)

Genes -- And How Humans Got Their Dexterity: We use our hands to play flamenco guitar, crochet a sweater and grip a baseball bat...but how did we get such great dexterity? In this segment of Science Friday, guest host Joe Palca takes a look at how humans came up with such a great hand. (first broadcast Friday, September 12, 2008)

Spore and Evolution: How close is the new computer game Spore to the way evolution really works? (first broadcast Friday, September 12, 2008)

The Evolution of Beer: In this segment, we'll talk with one of the authors of a new scientific study about genetics and beer, and about the genes behind lager beer styles such as Pilsners, Märzen, Dortmunders, and Bocks. Cheers! (first broadcast Friday, September 12, 2008)

The Fabulous Fungi: In this hour of Science Friday, we'll take a look at all things fungal -- from shiitakes to mold, and everything in between. (first broadcast Friday, September 12, 2008)

Health and the Election: In this segment, we'll take a look at the stance of Senators McCain and Obama on various health policy issues. (first broadcast Friday, September 5, 2008)

Voting Systems Update: With the official presidential campaign season now fully underway, we'll get an update on voting machines around the country. (first broadcast Friday, September 5, 2008)

Levees and Hurricanes: How did cities along the coast weather Hurricane Gustav -- and can New Orleans residents can rest any easier in the face of coming storms? (first broadcast Friday, September 5, 2008)

Google's New Web Browser: This week, web search giant Google unveiled a new piece of web browser software. We'll take a look at what the program can do, and why a search engine leader wants to get into the web software market. (first broadcast Friday, September 5, 2008)