Researchers have made new discoveries about genetic complexity by decoding one man's DNA. Geneticist Craig Venter, whose DNA was decoded, talks about the significance of the findings.

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Scientists announced Tuesday that they had taken genome mapping to the next level by sequencing the entire DNA of an individual -- geneticist Craig Venter.

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A four-year international study of the human genome has prompted scientists to rethink some of their most basic ideas about how DNA functions.

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A two-year study of the world's oceans revealed an unprecedented level of genetic diversity in marine microbes. Expedition leader J. Craig Venter discusses the study and its significance.

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Scientists spent two years trawling the oceans for bacteria and viruses, and in the process discovered 6 million new genes, doubling the number known on Earth and holding promise for new antibiotics and alternative energy sources.

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Scientists announced Wednesday that they had mapped sections of the Neanderthal genetic code, using DNA extracted from a 38,000-year-old fossilized femur bone found in a Croatian cave.

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The Nobel Prize in chemistry was awarded Wednesday to Roger Kornberg of Stanford University for his work on how cells use information in genes to produce proteins. He and his father Arthur Kornberg, also a Nobel laureate, discuss their achievements.

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With advances in DNA technology, researchers are learning more about the origins and diversity of humans, allowing companies to offer DNA test kits and analysis for people who want to learn more about their ancestry.

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Pakistani officials confirmed Saturday that DNA tests showed a decapitated body found in a shallow grave in the southern port city of Karachi in May was that of Daniel Pearl, the murdered "Wall Street Journal" reporter.

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