Spirochoeta pallida (de la syphilis)

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Sniper: Bulletproof deconstructs and analyzes the little-known sniper events that have occurred when no other course of action was possible. The...

This film consists of three parts. The first dramatizes the life of the founder of Soviet astronautics, Konstantin Tsiolkovsky; the second describes...

Film historians, and survivors from the nearly 30-year struggle to bring sound to motion pictures take the audience from the early failed attempts by...

From the banks of the Bahamas to the seas of Argentina, we go underwater to meet dolphins. Two scientists who study dolphin communication and...

Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the...

"Meat Joy is an erotic rite — excessive, indulgent, a celebration of flesh as material: raw fish, chicken, sausages, wet paint, transparent...

The earliest surviving celluloid film, and believed to be the second moving picture ever created, was shot by Louis Aimé Augustin Le Prince...

A film by Louis Aimé Augustin Le Prince, shot in late October 1888, showing pedestrians and carriages crossing Leeds Bridge.

Explore the extraordinary hidden world of insects, where a leaf weighs more than a car, rain drops feel like exploding hand grenades and a blade of...

The film "Hurricane on the Bayou" is about the wetlands of Louisiana before and after Hurricane Katrina.

A documentary about a 15-day river-rafting trip on the Colorado River aimed at highlighting water conservation issues.