Samantha Weinberg: "A Fish Caught in Time" (Harper Collins)

September 12, 2000

In 1938, a museum curator in South Africa came across a fish she had never seen before. To the surprise of the experts around the world, it turned out that she had found a coelacanth -- a species of fish that had been presumed extinct for...

Human Genome Implications

July 11, 2000

A panel of experts discusses likely short-term risks and rewards inherent in the advances made possible by the mapping of the human genome.

On the Job with National Zoo Director Lucy Spelman

July 7, 2000

At 37 years of age, Dr. Lucy Spelman is the youngest person as well as the first woman to be named director of the Smithsonian Institution's National Zoological Park. For July's On the Job segment, Dr. Spelman joins Diane to talk about her...

International Space Station

June 7, 2000

Russia is the acknowledged world leader in long-term space flight, with first the Soviet Salyut and then the Mir space stations setting longevity records. But Russia's limited resources and its now-flagging space program are impeding the...

Dr. Susan Vaughan: "Half Empty, Half Full" (Harcourt)

May 19, 2000

Some might divide the world into two camps: pessimists, and optimists. Psychologist Susan Vaughan's new book is about the psychological and biological roots of optimism. She joins guest host Jim Angle to talk about how to tell whether...

Neil de Grasse Tyson: "One Universe" and "The Sky Is Not the Limit" (Doubleday)

April 11, 2000

Neil de Grasse Tyson tells his own story of how a city kid became one of the nation's few African-American astrophysicists. Today, he is director of the newly-renovated Hayden Planetarium in New York City. He'll discuss his own career and...


April 6, 2000

In the 1960s, scientists developed several ways to turn saltwater into freshwater. All were prohibitively expensive because they required a great deal of energy. But today, the technology has been significantly refined, and demand for...

Robert Ballard: "The Eternal Darkness" (Princeton)

April 5, 2000

Robert Ballard discusses his pioneering career in deep-sea exploration. He's taken part in over one hundred undersea expeditions, including the discovery of the wreckage of the Titanic.

Marc Hauser: "Wild Minds" (Henry Holt)

March 7, 2000

Harvard professor Marc Hauser shares the latest research on animal behavior and psychology in his new book. He joins Diane to discuss whether animals think, feel, and reason, and what a deeper understanding of animal intelligence can teach...


March 6, 2000

As many as one in every 1,000 people has sensory experiences in which a visual, auditory or other stimulus also prompts an experience with another of the five senses. That is, some people "see" sounds, "taste" shapes, or...

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