A New Type Of Black Hole : Researchers may have discovered a new type of black hole, a finding that would mean the massive gravity sinks can exist in a 'medium' size. (first broadcast Friday, July 3, 2009)

Some Projects to Try on Your Summer Vacation (Or Perhaps Not): We'll give you some ideas for safe -- and not so safe -- science experiments that you may be tempted to try at home. (first broadcast Friday, July 3, 2009)

The Disappearing Mississippi Delta: Rising sea levels and not enough sediment replenishment may make much of the Mississippi Delta 'drown' by the year 2100, according to a new study. (first broadcast Friday, July 3, 2009)

A Conversation with Ocean Explorer Bob Ballard: In this segment, Ira talks with undersea explorer Robert Ballard about his life and work, both in exploration and education. (first broadcast Friday, July 3, 2009)

A New Swine Virus: Scientists say the ebolavirus made famous in Richard Preston's thriller 'The Hot Zone' has been found living in the Philippines. (first broadcast Friday, July 10, 2009)

Reforming Healthcare Reform: Arnold Relman, a retired M.D. and the former editor-in-chief of the New England Journal of Medicine, explains why he thinks President Obama's healthcare reform attempts will fail, and what he thinks needs to be done. (first broadcast Friday, July 10, 2009)

The Heart of Power: A new book examines how the health issues faced by past presidents influenced their healthcare policies. (first broadcast Friday, July 10, 2009)

Longevity Compound: A compound used in humans to prevent rejection of organ transplants can significantly extend the lifespan of mice. (first broadcast Friday, July 10, 2009)

Snacks, Overeating, and Sensory Science: Got a weakness for chocolate chip cookies? Kettle chips? Pizza? Ira talks with former FDA commissioner David Kessler about how tasty foods change your brain, and how the food industry designs the snacks you crave. (first broadcast Friday, July 10, 2009)

To The Moon: This week marks the 40th anniversary of the Apollo 11 moon landing. We'll look back on the trip from the Earth to the moon. (first broadcast Friday, July 17, 2009)

Of Genes and Antibodies: Researchers say they've identified the gene that tells the body to produce one type of immune antibody. (first broadcast Friday, July 17, 2009)

Building Functional Fibers: Researchers have been able to build a fabric-based camera out of a mesh of light-sensitive fibers. We'll talk about the wok and efforts to use fibers in advanced electronics and other devices. (first broadcast Friday, July 17, 2009)

Paint the Town White: Replacing dark roofing and pavement with lighter, more reflective materials could reduce temperatures in cities and offset significant quantities of carbon dioxide emissions. (first broadcast Friday, July 17, 2009)

Moths that Jam a Bat's Sonar: New research finds that one species of moth is capable of actively jamming the sonar used by moth-hunting bats. (first broadcast Friday, July 17, 2009)

Cell Phone Microscope: Researchers describe an portable fluorescent microscope they've built using a cell phone and inexpensive parts. (first broadcast Friday, July 24, 2009)

Why We Trust: Almost all obituaries of the late Walter Cronkite referred to how trusted he was. But why do we trust some people and not others? (first broadcast Friday, July 24, 2009)

Jupiter Impact: Earlier this week, an amateur astronomer in Australia spotted signs of a massive impact on the planet Jupiter. We'll talk with him about his find, and about the international community of astronomical observers. (first broadcast Friday, July 24, 2009)

The Science of Decision-Making: Paper or plastic? Steak or salmon? Stay or go? Every day, we make thousands of decisions, most minor, some major. But how does your brain make the choice? (first broadcast Friday, July 24, 2009)

Moon Movie: We talk with director Duncan Jones about his recent science fiction movie 'Moon.' (first broadcast Friday, July 24, 2009)

Fisheries Improving?: Steps taken to curb overfishing around the world may be beginning to show results. (first broadcast Friday, July 31, 2009)

Who Owns Your Digital Data?: From the E-book on your reader to the mp3s on your iPod to your musings on Facebook and Twitter - who owns the bits of data that make up your digital life? (first broadcast Friday, July 31, 2009)

H1N1 'Swine Flu' Update: We'll get an update on the spread of H1N1 influenza around the world, what researchers are finding out about the disease, and progress towards vaccines. (first broadcast Friday, July 31, 2009)

An Expedition to the Great Pacific Garbage Patch: We'll talk with the leader of an expedition to the great Pacific garbage patch about tracking plastic in the sea. (first broadcast Friday, July 31, 2009)

The Art of the Natural History Museum: In natural history museums around the world, art and science intersect in the design of dioramas and other exhibits. We'll talk with some of the artists and scientists involved. (first broadcast Friday, July 31, 2009)