At a time when scientific exchange between the United States and the Soviet Union is at its lowest since the 1950s, a special hookup will allow eight leading Soviet and American scientists to share ideas face-to-face before millions of television viewers in each country on this NOVA special.

NOVA departs from tradition with the first National Science Test. Viewers can match wits with celebrity panelists Jane Alexander, Jules Bergman, Marva Collins and Edwin Newman. Art Fleming hosts.

NOVA explores the billion-dollar-plus Mahaweli Irrigation Project in Sri Lanka. Will this high-risk project prove to be a great leap forward or an industrial and sociological disaster?

NOVA explores whether "yellow rain", described by members of the Hmong tribe of Laos, is a form of chemical warfare - or a naturally occurring phenomenon.

NOVA visits a tribe of Ecuadoran Indians who still maintain traditions that date back to the Stone Age - thirty years after their first contact with Western Civilization.

NOVA looks at the "blue revolution" - modern advances in the ancient art of raising aquatic animals and plants - in the United States, Japan, Scotland and other countries.

NOVA's sequel to "A Normal Face" examines the merging of technology and art in modern reconstruction and cosmetic surgical techniques.

They have been part of the United States' space program for more than 20 years. Who are these talented, courageous women? NOVA looks at astronaut Sally Ride and her colleagues, how they are trained and their role in NASA's future.

Acclaimed underwater cameraman Al Giddings takes NOVA viewers beneath the waves to explore the fact and fiction surrounding the Great White Shark.

The debate over acid rain continues to grow. NOVA travels to West Germany, the mid-Atlantic states and New England to examine the controversy surrounding this phenomenon.

What do dinosaurs, a panda's thumb and a peacock's tail have in common? Dr. Stephen Jay Gould, the internationally renowned paleontologist and evolutionary theorist, provides some surprising answers in this NOVA profile.

In this docudrama presentation, NOVA looks at the life, times and work of Gregor Mendel, the 19th cenutry Augustinian friar whose revolutionary scientific experiments in selective breeding have made him the "Father of Genetics."

NOVA explores the fascinating world of Dr. Harold Edgerton, electronics wizard and inventor extraordinaire, whose invention of the electronic strobe, a "magic lamp," has enabled the human eye to see the unseen.

NOVA presents an in-depth look at India's attempt to use satellite technology to leapfrog into the era of space-age communication and whether it brings benefit or blight to India's villages and rural areas.

NOVA examines the complex world of parasites, parasitic diseases and the exciting work currently being done by a new breed of medical researchers as they meet the challenge of conquering the world's number one medical problem.

A rare look at the beautiful and desolate Wrangel Island-a Soviet possession 300 miles off the coast of Alaska-as seen through the eyes of Soviet Filmmaker and naturalist Yuri Ledin. Wrangel Island is not only the home to Siberian snow geese, polar foxes and walruses, but serves as the world's largest denning area for polar bears.

Acquired Immune Deficiency Syndrome, or AIDS, is a deadly disease that has struck down some 2,000 people in the four years since its discovery. NOVA examines how modern science has been unraveling the mystery of this baffling ailment.

Sea shells, crystals, honeycombs, eggs and seeds: They are shaped the way they are for a reason. NOVA takes viewers on a unique journey of discovery to find out why things are shaped the way they are and why they work so well.

It's a mystery just how children acquire language. Does the process begin in the womb? And which comes first, language or thought? NOVA explores the fascinating world of baby talk and reveals the latest theories on this remarkable achievement.

Imagine a bottle with no inside or a number bigger than infinity or parallel lines that meet. Welcome to the world of pure mathematics. NOVA offers a look into a wholly abstract, quirky world of mathematics.

What do Wolfgang Amadeus Mozart, the painter Raphael and chess champion Bobby Fischer have in common? They were all child prodigies. NOVA explores the current efforts to learn more about the nature of giftedness.

NOVA explores the breeding, migration and survival patterns of the Rocky Mountain elk in a unique film, made totally under natural conditions. Telephoto lenses were used so as not to disturb the animals; filmmakers spent 18 months tracking the elk through the breathtaking Wyoming Rockies.