What does it take to win at Indy? NOVA follows champion race driver Bobby Rahal and a team of engineers as they strive to design a new car that can win the checkered flag at the Memorial Day classic. The program also features racing insights from top drivers Emerson Fittipaldi, Willy T. Ribbs and Lyn Saint James.

In the third installment of a 10-year project, NOVA checks up on a group of aspiring doctors who've been chronicled since their first day of medical school in 1987. Now bona fide MDs and in the middle of residency training, the group faces the awesome responsibility of curing the sick and keeping their own lives intact.

Using microphotography to explore the hidden world inside the human body, this program covers three incredible team efforts: the coordination of muscles, bones, heart and circulatory system that makes Mike Powell the world's greatest long jumper; the digestive dynamo that turns a simple sandwich eaten by five-time Olympic gold medalist Bonnie Blair into raw energy for a blistering sprint down the ice; and the ultimate event--the development of a new human life inside track star Karen Hatchett.

A series of five programs inspired by Diane Ackerman's book A Natural History of the Senses, each examining one of the senses. (Part 5 of 5)

A series of five programs inspired by Diane Ackerman's book A Natural History of the Senses, each examining one of the senses. (Part 4 of 5)

A series of five programs inspired by Diane Ackerman's book A Natural History of the Senses, each examining one of the senses. (Part 3 of 5)

A series of five programs inspired by Diane Ackerman's book A Natural History of the Senses, each examining one of the senses. (Part 2 of 5)

A series of five programs inspired by Diane Ackerman's book A Natural History of the Senses, each examining one of the senses. (Part 1 of 5)

Born joined at the pelvis, Siamese twins Dao and Duan were brought to the United States from Thailand to assess their chances for being separated surgically. NOVA covers the intricate planning and protracted operations that eventually made the two girls into two distinct individuals.

NOVA uses recently discovered documents to uncover the complicity of German architects and engineers in the Holocaust. Focusing on Auschwitz, the program tells a tale of ever-deepening evil as the prison camp was methodically converted into a super-efficient factory for genocide.

Entomologist and Pulitzer Prize-winning author Edward O. Wilson shows who's boss on this planet: ants. The professor's infectious fascination for ant civilization wins over even the most confirmed "formicophobe" (ant hater).

NOVA investigates the myth and reality of the first known Europeans to reach North America – Vikings. These intrepid Norsemen explored and settled parts of present-day North America 500 years before Columbus set sail.

The subjects of Stone Age Cave paintings thunder onto the screen as NOVA explores Woolly mammoths. Recent discoveries show that the hairy ancestors of Elephants fought off extinction much longer than anyone thought, surviving on an isolated island in the Arctic Ocean until as recently as 4,000 years ago.

NOVA explores the common threads that link the more than 5,000 languages of Earth, including a controversial theory that claims to reconstruct words from a time when only a handful of languages were spoken, recalling the biblical story of the Tower of Babel.

NOVA travels to Lake Baikal, the world's oldest and deepest lake, containing one-fifth of all the fresh water on Earth. Investigating Baikal from above, below and all around, NOVA charts its dramatically changing environment over the course of four seasons.

Hobbled by defective eyesight because of its original, bungled prescription, the Hubble Space Telescope was recently repaired in a dramatic Space Shuttle mission. NOVA follows the exploits of astronauts who saved the day, and the stunning work that Hubble has performed in the months since its repair.

Ten million years ago, an enormous volcanic eruption buried much of what is now Nebraska in up to 10 feet of ash, preserving countless skeletons of prehistoric big game animals. NOVA joins the discoverer of this treasure trove to learn what life was like when a lot more than buffalo roamed the West.

NOVA probes the 1994 Los Angeles earthquake. Even as the city struggles to repair itself from the tragedy, seismic pressure continues to build. Scientists fear that newly discovered faults could, at any moment, trigger California's most devastating natural disaster.

NOVA travels deep into the Amazon wilderness in search of a mysterious tribe- a tribe that dismembered and partially ate three prospectors in 1976. Locating the group, NOVA lives with them for three months, gaining insight into the customs and beliefs of a people whose lifestyle has not changed for centuries.

NOVA tackles the long-taboo subject of menopause, profiling new research and examining the medical and ethical controversies that arise when science enables women to postpone menopause or even to bear children long after "the change." Stockard Channing narrates.

NOVA explores the legacy of the great Auk, a magnificent flightless bird that was hunted to extinction over a century ago. In a journey retracing its migratory route, host Richard Wheeler kayaks from Newfoundland to Cape Cod and discovers that other marine species face the Auk's luckless fate.

NOVA profiles "Genie", a girl whose parents kept her imprisoned in near total isolation from infancy. When social workers discovered her as a teenager, Genie had not learned to walk or talk. This NOVA documentary includes never-before-seen footage of Genie during her rehabilitation and probes how and when we learn the skills that make us "human."

Polly wants a crackdown when it comes to the illegal trade in the world's most beautiful and intelligent birds: parrots. NOVA goes undercover with a US government sting that breaks an international parrot smuggling ring, landing some surprising suspects.