Photo sequence of the rare transit of Venus over the face of the Sun, one of the first chronophotographic sequences. In 1873, P.J.C. Janssen, or Pierre Jules César Janssen, invented the Photographic Revolver, which captured a series of images in a row. The device, automatic, produced images in a row without human intervention, being used to serve as photographic evidence of the passage of Venus before the Sun, in 1874.
Physicist Dr Helen Czerski takes us on a journey into the science of bubbles - not just fun toys, bu...
A day in the city of Berlin, which experienced an industrial boom in the 1920s, and still provides a...
Three billion miles away a grand-piano-sized spacecraft is speeding through the outer solar system a...
Follow leading scientists around the world and to the edge of the universe on their quest to solve o...
Wallace Carlson walks viewers through the production of an animated short at Bray Studios.
Man has always sought to seek further afield. After the seafaring explorers of the 16th century, 21s...
The lives of Stan Laurel (1890-1965) and Oliver Hardy (1892-1957), on the screen and behind the curt...
This pioneering documentary film depicts the lives of the indigenous Inuit people of Canada's northe...
Wildlife photographer Richard Sidey joins an international team of whale research scientists in Anta...
How's it all gonna end? This experience takes us on a journey to the end of time, trillions of years...
A film by Louis Aimé Augustin Le Prince, shot in late October 1888, showing pedestrians and carriage...
The first woman to appear in front of an Edison motion picture camera and possibly the first woman t...
An account of the last two centuries of the Anthropocene, the Age of Man. How human beings have prog...
Film historians, and survivors from the nearly 30-year struggle to bring sound to motion pictures ta...
Darwin's great insight – that life has evolved over millions of years by natural selection – has bee...
Most people fully accept paranormal and pseudoscientific claims without critique as they are promote...
The use of embryonic stem cells has ignited fierce debate across the spiritual and political spectru...
Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer ...
A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwi...
In 1962, spurred by the Cold War, President John F. Kennedy famously made the bold proclamation that...