The spectacular eclipse of 1991 passed over major observatories on the island of Hawaii. NOVA was there for 61⁄2 minutes of frenetic research that revealed new secrets about the Sun.

NOVA goes behind the scenes to watch the filming of a big-screen IMAX/Omnimax space spectacle. Astronauts operate the cameras on location aboard the Space Shuttle.

NOVA examines the mysterious whale strandings along the beaches of Cape Cod Bay, as the puzzling behavior becomes more common.

Criminals still make money the old-fashioned way—by counterfeiting. NOVA looks at why US currency is so easy to fake and what the government is doing about it.

Rating the audience for TV shows is a classic problem in statistical analysis. NOVA finds that ratings are getting more accurate but still are far from scientific.

The nose knows. How much is the subject of NOVA's investigation of the mysterious aromas and hidden messages picked up by our sense of smell. David Suzuki hosts.

Few people give any thought to wildlife in the midst of a war. During the Gulf War, environmentalist John Walsh did his best to save animals from oil spills, bullets and other dangers.

NOVA takes a voyage on the newest of America's doomsday machines—the ballistic missile submarine USS Michigan. The Cold War may be won, but these submerged super arsenals continue to prowl the deep.

NOVA covers the fight to put out Saddam Hussein's bonfire of oil wells in Kuwait, which has created the worst man-made pollution event in history. Fire fighting teams from Houston and elsewhere are faced with a Texas-size job.

Science comes to the aid of art. Museums now employ scientists to find forgeries and give insight into the process of artist creation. Richard Dreyfuss narrates.

his 80-minute NOVA pledge special chronicles the building of the Worldwide Plaza, 47-story office tower in midtown Manhattan, from a hole in the ground to a 770-foot skyscraper.

NOVA follows the efforts of four participants in a celebrated California study to unblock arteries without using drugs or surgery before their heart disease becomes fatal. A studio segment featuring experts with varying medical views will air as part of the 60-minute program. ABC News Medical Correspondent George Strait moderates.

The fastest machines in the sky are going to be slow stuff when the latest speed demons on the drawing board take to the air. NOVA looks at the intoxicating lure to fly even faster.

The tallest mountain in the world? Think again: cartographers had to when satellite date revealed a peak called "K2" might be the real champ. Which is the world's tallest mountain?

NOVA accompanies Soviet scientists on a deadly mission inside the sarcophagus-the massive structure that entombs the Chernobyl nuclear reactor. Will there be another deadly explosion?

Forty years after they were discovered, the Dead Sea Scrolls have yet to be published in their entirety. NOVA looks at the laborious-some say scandalous-process of compiling and releasing this religious treasure.

In a two-hour special, NOVA follows seven aspiring doctors through four years of medical school. The first examination, the anatomy lab, the first death, the first baby-it's all part of becoming a doctor. Neil Patrick Harris, star of ABC's Doogie Howser, MD hosts.

NOVA covers the causes and attempted cures of baldness. Some men take pride in their bald heads; others will go to great lengths to cover up. Alan Rachins of NBC's LA Law tells the story.