Watch how levers help us on 123Movies. This instructional film shows the three parts of a lever and demonstrates how various levers help to move things more easily, or move them farther and faster.
02004HD
For more than 30 years, scientist, broadcaster and environmental activist David Suzuki has served as the host of The Nature of Things, a CBC program...
71990HD
Portrait of Hermann Heinzel.
6.22017HD
CERN and the University of California-Santa Barbara are collaborating in the search for the elusive substance that physicists and astronomers believe...
7.42006HD
In this two-part Channel 4 series, Professor Richard Dawkins challenges what he describes as 'a process of non-thinking called faith'. He describes...
01938HD
A variety of scientific subjects, including the laboratory of a plastic surgeon in London, and his method for applying permanent makeup; a new...
72024HD
In northern Iraq lie the ruins of a 3,000-year-old city, Nimrud, once the capital of the powerful Assyrian Empire. In 1988, archaeologists conducted...
72019HD
The first American space station Skylab is found in pieces scattered in Western Australia. Putting these pieces back together and re-tracing the...
02024HD
The Faraway Nearby follows the tragic life of pioneer physicist Joseph Weber, whose pursuit of gravitational waves takes him on a dizzying journey...
102026HD
For the first time since the legendary Apollo missions over 50 years ago, humans are once again setting out for the Moon on April 1, 2026....
7.22024HD
A giant ball of gas and raw energy with a temperature of up to 15 million degrees, the sun is the origin of life on earth and influences an infinite...
02024HD
Explore the secrets of the universe with Professor Brian Cox in this special event that combines ground-breaking science with the power of the Sydney...
6.42019HD
With a wealth of fantastic archive footage and a series of revealing interviews with those who had first-hand experience, filmmaker Vicki Lesley...