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.

The Dangers of the Fly (1920)
The Dangers of the Fly is an educational film made by Ernesto Gunche and Eduardo Martínez de la Pera, also responsible for Gaucho Nobility (1915), the biggest blockbuster of Argentinean silent cinema. De la Pera was a talented photographer, always willing to try new gadgets and techniques. This film experiments with microphotography in the style of Jean Comandon's films for Pathé and it is part of a series which included a film about mosquitoes and paludism and another one about cancer, which are considered lost. Flies were a popular subject of silent films and there are more than a dozen titles featuring them in the teens and early twenties.

Berlin: Symphony of a Great City (1927)
A day in the city of Berlin, which experienced an industrial boom in the 1920s, and still provides an insight into the living and working conditions at that time. Germany had just recovered a little from the worst consequences of the First World War, the great economic crisis was still a few years away and Hitler was not yet an issue at the time.
D'où viennent les faux cheveux (1909)
On a market day in Kernascleden, two Breton women exchange their hair for a few coins. The hair becomes hairpieces. Last scene, an elegant Parisian removes her hat and exposes her generous wig skillfully coiffed.
Pulmonary Hydatid Cyst Operation (1899)
Also known as The Operation of Dr. Alejandro Posadas. Filmed with early orthochromatic film in the Hospital de Clínicas de la Ciudad in Buenos Aires.

An Inconvenient Truth (2006)
A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

Heal (2017)
A documentary film that takes us on a scientific and spiritual journey where we discover that by changing one's perceptions, the human body can heal itself from any disease.

El circo (1950)
Madrid, Spain, 1949. The Circo Americano arrives in the city. While the big top is pitched in a vacant lot, the troupe parades through the grand avenues: the band, a witty impersonator, the Balodys, acrobats, jugglers, acrobatic skaters, clowns and… Buffallo Bill.

Nanook of the North (1922)
This pioneering documentary film depicts the lives of the indigenous Inuit people of Canada's northern Quebec region. Although the production contains some fictional elements, it vividly shows how its resourceful subjects survive in such a harsh climate, revealing how they construct their igloo homes and find food by hunting and fishing. The film also captures the beautiful, if unforgiving, frozen landscape of the Great White North, far removed from conventional civilization.
How the Telephone Talks (1919)
"All sounds travel in waves much the same as ripples in water." Educational film produced by Bray Studios New York, which was the dominant animation studio based in the United States in the years surrounding World War I.

Randy's Donuts (2013)
Who is Randy Powell and why is he claiming that a 9 digit pattern called Vortex Based Mathematics (V.B.M.), interconnects all of science, all of technology and all of nature around a Torus, nature's original Donut?

Principles of Curiosity (2017)
Principles of Curiosity presents a general introduction to the foundations of scientific skepticism and critical thinking, focusing on a simple process we call the three Cs.
Censored! (1999)
A documentary about the cultural effect of film censorship, focusing on the tumultuous times of the teens and early 1920s in America.

Living Worlds (2021)
What forms might life take in the Solar System and beyond? In the Academy's newest original planetarium show, see how a deeper understanding of Earth might help us locate other living worlds, light years away.

Days of Thrills and Laughter (1961)
An appreciative, uncritical look at silent film comedies and thrillers from early in the century through the 1920s.

Life 2,000 Meters Under the Sea (2014)
Deep down at the bottom of the ocean lies the mysterious world of the abyss. In the midst of boiling, toxic geysers, a rich ecosystem flourishes. This miracle is possible thanks to bacteria, micro-organisms crucial to all living beings. How can bacteria survive in such extreme conditions?

Holy Land: Startup Nations (2017)
With the most tech startups and venture capital per capita in the world, Israel has long been hailed as The Startup Nation. WIRED’s feature-length documentary looks beyond Tel Aviv’s vibrant, liberal tech epicenter to the wider Holy Land region – the Palestinian territories, where a parallel Startup Nation story is emerging in East Jerusalem, Nazareth, Ramallah and other parts of the West Bank, as well as in the Israeli cybersecurity hub of Be’er Sheva. And we will learn how the fertile innovation ecosystem of Silicon Wadi has evolved as a result of its unique political, geographical and cultural situation and explore the future challenges – and solutions – these nations are facing.
Th (Part 11: Dr. Helen Caldicott) (2014)
Dr. Helen Caldicott is the most prominent anti-nuclear activist in the world. She's been featured on CNN, 60 Minutes, CBC and Democracy Now. In the 80s, Helen Caldicott campaigned against nuclear weapons testing in the pacific (still responsible today for the majority of tritium we're exposed to), and against the notion of a winnable nuclear war. She was nominated for a Nobel Peace Prize for her efforts. She has always made inaccurate statements regarding civilian nuclear power. But, since the Fukushima-Diachii radiation release has caused (and is projected to cause) zero fatalities... http://www.unis.unvienna.org/unis/en/... ...her tone has changed when speaking to supporters. This has not been acknowledged by prime-time media, as they continue to use her as a source. Any person or media outlet should check Caldicott's history of statements (on any subject) against a domain expert before using her as a source.