Aging - Will research into "longevity genes" help us live longer and healthier lives?

Space Elevator - Can we build a 22,000-mile-high cable to transport cargo and people into space?

Maya - NASA archeologists use satellites to pinpoint ancient ruins buried deep in the jungle.

Profile: Bonnie Bassler - Her insight into how bacteria "talk" has launched a revolution in biological and medical research.

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Aging, Space Elevator, Maya from Space - S3.E7 - NOVA scienceNOW

August 6, 2008

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