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

Deep-Sea Biodiversity: Thirty-thousand species under the sea: the amazing diversity of bacteria at hydrothermal vents. (first broadcast Friday, October 12, 2007)

Biofuels Update: Join Ira Flatow in this hour of Science Friday for a discussion of alternative energy and biofuels. (first broadcast Friday, October 5, 2007)

Online Office Applications: Hear about a new suite of office programs -- running in your web browser. (first broadcast Friday, October 5, 2007)

Numb3rs: The numbers behind the television show (first broadcast Friday, October 5, 2007)

The Body Farm: A talk with "Body Farm" founder and forensic anthropologist Bill Bass. (first broadcast Friday, October 5, 2007)

Sputnik Anniversary: Fifty years ago, a little beeping ball stunned the world. Join Ira Flatow in this hour of Science Friday for a look back at Sputnik and its effects on science, education, and the way we look at the un (first broadcast Friday, September 28, 2007)

Global Warming Fix: Join Ira Flatow in this hour of Science Friday for a look at a plan to spur the oceans to capture carbon. (first broadcast Friday, September 28, 2007)

Bush Climate Meeting: We get a report on a meeting on climate change held at the State Department this week. (first broadcast Friday, September 28, 2007)

Ice Age Extinctions: One team of scientists thinks it knows what killed the woolly mammoth and other ice-age creatures. (first broadcast Friday, September 28, 2007)

Hunting Mammoth DNA: A research team has managed to extract DNA from a strand of mammoth hair. (first broadcast Friday, September 28, 2007)

Lunar X Prize: Can big prize money spark a new race to return to the moon? (first broadcast Friday, September 21, 2007)

Mars Update: We get an update on the latest results from orbiting observations of Mars. (first broadcast Friday, September 21, 2007)

Airplane Air: Who hasn't gotten off a plane blaming the stale cabin air for their stuffy nose, dry throat, and headache? (first broadcast Friday, September 21, 2007)

Women, Girls, and Math: n this hour, we'll look at the progress American girls are making in mathematics. (first broadcast Friday, September 21, 2007)