New FCC Rules Give Consumers More Choice: Will new rules for 'open access' change the wireless landscape? (first broadcast Friday, August 3, 2007)

Hackers Test California Voting Machines: How secure are electronic voting machines? (first broadcast Friday, August 3, 2007)

The Science Behind Strong Bridges: Ira and guests talk about bridge engineering and our nation's infrastructure. (first broadcast Friday, August 3, 2007)

New Research Sheds Light On Placebo Effect: What happens in the brain when you take a placebo? (first broadcast Friday, August 3, 2007)

New Frontiers In Wireless Energy Transfer: Move over Tesla - wireless energy transfer is making a move. (first broadcast Friday, August 3, 2007)

Small And Unsafe? Concerns About Nanotechnology: How safe are nanoscale materials -- and how strong are the regulations that cover them? (first broadcast Friday, August 3, 2007)

New Fossil Find: New fossil finds shake up the human family tree. (first broadcast Friday, August 10, 2007)

Wave Power: Researchers explore ways to harvest energy from the motion of the ocean. (first broadcast Friday, August 10, 2007)

Ancient DNA: Why DNA in ancient ice might tell us how life on earth DIDN'T start. (first broadcast Friday, August 10, 2007)

Farm Bill and What to Eat: What's for dinner -- and why? (first broadcast Friday, August 10, 2007)

Space Shuttle Update: NASA engineers decided not to repair damaged tiles on the space shuttle Endeavour before it returns to Earth. (first broadcast Friday, August 17, 2007)

Wiretapping: A look at the technology of wiretapping. (first broadcast Friday, August 17, 2007)

Science of Stocks: After a summer of big swings in the stock market, Ira talks with an investment strategist about the science of stocks. (first broadcast Friday, August 17, 2007)

What Inventors Need to Know: In celebration of National Inventors' Month, join Ira Flatow this hour of Science Friday as the talk turns to inventing. (first broadcast Friday, August 17, 2007)

Hurricanes: Ira and guests talk about how Hurricane Dean fits into the record books -- and whether it's business as usual, or indications of the effects of global climate change. (first broadcast Friday, August 24, 2007)

Voyager Spacecraft Anniversary: We wish a happy anniversary to the Voyager spacecraft, still returning data after 30 years of flight. (first broadcast Friday, August 24, 2007)

Chemistry News: This hour the president of the American Chemical Society joins host Ira Flatow for a rundown of the latest chemistry news. (first broadcast Friday, August 24, 2007)

Camp Out!: Science Friday is going on a camping trip. (first broadcast Friday, August 24, 2007)

Simulating Mars: What would it be like to work on Mars? (first broadcast Friday, August 31, 2007)

Retail Clinics: Is it a good idea to get a medical diagnosis while you wait for the grocery store deli to finish slicing your order of cold cuts? (first broadcast Friday, August 31, 2007)

A Whole Lot of Nothing: Scientists studying several maps of space have found an area nearly a billion light-years across that contains nothing. (first broadcast Friday, August 31, 2007)

Virtual Worlds, Virtual Lives: Getting bored with your life? Maybe you need a second one. This hour, we'll be talking about virtual worlds and why we find them so addictive. (first broadcast Friday, August 31, 2007)