Health Care and Values: Equality, justice, fairness -- in this segment, we'll talk with bioethics experts about the values Americans hold dear, and how those values influence out health care policy decisions. (first broadcast Friday, November 6, 2009)

Concussions: We'll hear about research into the long term health effects of concussions, and about what can be done to minimize damage from brain trauma. (first broadcast Friday, November 6, 2009)

Synthetic Biology Competition: We'll get the results of a recent student competition centered around the design and construction of living machines. (first broadcast Friday, November 6, 2009)

Sylvia Earle: 'The World Is Blue': Ira talks with ocean explorer Sylvia Earle about the state of the world's oceans, and what actions need to be taken to protect them from catastrophic damage. (first broadcast Friday, November 6, 2009)

LED Lighting Contest: We'll check in on the progress of a government-sponsored competition to develop a better light bulb. (first broadcast Friday, November 6, 2009)

Science of Zombies: Yes, we know they're imaginary -- but what would a psychiatrist make of the brain of a zombie? (first broadcast Friday, October 30, 2009)

Geek My Halloween: We want to hear how you're bringing science and technology to your Halloween festivities. (first broadcast Friday, October 30, 2009)

Cannibalism: We hear about the history and anthropology surrounding the consumption of human flesh. (first broadcast Friday, October 30, 2009)

Running Research: It's the fall marathon season -- so we're taking a look at the science of running. (first broadcast Friday, October 30, 2009)

Arpanet Anniversary: Forty years ago this week, the first information was transmitted across the ARPANET -- a computer network that would one day evolve into the Internet. (first broadcast Friday, October 30, 2009)

Gene Therapy and Blindness: With just one injection of an experimental gene therapy treatment, doctors have been able to significantly improve the sight of 12 individuals born with a rare congenital vision disorder called Leber's congenital amaurosis. (first broadcast Friday, October 30, 2009)

Extinctions from Algae?: Many scientists attribute the world's great extinction events to major catastrophes such as asteroid strikes and massive volcanic eruptions. We'll talk with researchers exploring an alternate theory -- that massive algal blooms led to mass extinctions. (first broadcast Friday, October 23, 2009)

Frans de Waal and 'The Age of Empathy': Where does empathy come from - and can animals be empathetic? In this segment, primatologist Frans de Waal joins us to discuss the topic. (first broadcast Friday, October 23, 2009)

Are Humans Still Evolving?: Has access to modern medical care thrown a wrench into the 'survival of the fittest' basis of evolution? New research says no -- we're still evolving. (first broadcast Friday, October 23, 2009)

All Listeners Must Wash Hands: Mom told you to wash your hands -- but do you? New research gets the dirt on our handwashing behaviors. (first broadcast Friday, October 23, 2009)

Now Hear This: We'll talk about research into how people hear, from the tiny hair cells within the ear, to the body's ways of dealing with loud noises. (first broadcast Friday, October 23, 2009)

Neuroscience Meeting Highlights: We'll talk about some of the research presented this week at the Society for Neuroscience annual meeting. (first broadcast Friday, October 23, 2009)

Kids' Science Challenge: We'll talk about the Kids' Science Challenge, a NSF-funded competition that challenges kids to come up with problems that can be solved via science. (first broadcast Friday, October 16, 2009)

Rare Mother-to-Fetus Cancer Transmission Described: Researchers have identified an instance of a pregnant mother transmitting cancer cells to her offspring. (first broadcast Friday, October 16, 2009)

Climate Policy Who's Who: We get the forecast for domestic climate change policy in the months ahead. (first broadcast Friday, October 16, 2009)