A More Detailed Genome: Researchers now know more about Craig Venter than ever before. Or, at least, the part of him that's defined by his genes. We'll talk about the work, and what it means for the field of genetics resear (first broadcast Friday, September 7, 2007)

Immigration and Sci-Tech Workers: Ira and guests talk about the immigration issue, and how it affects the scientific and technology communities. (first broadcast Friday, September 7, 2007)

Bee Virus: Recently, beekeepers across the country have been opening their hives to find the bees gone. Now, researchers suggest in a paper published in the journal Science that a newly-discovered virus may be (first broadcast Friday, September 7, 2007)

The World Without Us: Ira talks with author Alan Weisman about what the world might be like if humans were suddenly to disappear from the planet. (first broadcast Friday, September 7, 2007)

A Skinny Gene?: We'll hear about a discovery in genetics that could have implications for your waistline. (first broadcast Friday, September 7, 2007)

Using Math to Track Terrorists: Join guest host Joe Palca in this hour of Science Friday for a look at how mathematicians and computer scientists can help track terrorist activity. (first broadcast Friday, September 14, 2007)

Itch: From bug bites to serious illness -- what makes us itch, and how to make it stop. (first broadcast Friday, September 14, 2007)

Spinal Cord Injuries: In this segment, we'll look at treating spinal cord injuries. (first broadcast Friday, September 14, 2007)

Steven Pinker: A conversation with evolutionary psychologist Steven Pinker about language and what makes us tick. (first broadcast Friday, September 14, 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)

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)