|Obama Speech: 'A More Perfect Union'||4077||5.37|
|Google on Google Chrome: Why a new web-browser?||
The Google Chrome development team explain the features of Google Chrome and the reasons for having them.
|Did You Know 4.0||
Another fantastic visual presentation of intriguing statistics, focusing on the changing media landscape, convergence and technology. The video was made in partnership with The Economist.
|Chimamanda Adichie: The danger of a single story (TEDTalks)||
A powerful, inspirational - and at times humorous - lecture by acclaimed Nigerian writer Chimamanda Adichie about identity, prejudice, misunderstanding, and the danger of single stories.
|Building Stonehenge - The Man who can Move Anything||
Wally Wallington has demonstrated that he can lift a Stonehenge-sized pillar weighing 22,000 lbs and moved a barn over 300 ft.
|Shark Attack - From Documentary Earth||
Close-up slow motion footage of how a great white shark attacks its prey.
|Did Aliens build the Pyramids? (1of3)||
Highlights the pyramids and other inventions that illustrate the brilliance of ancient man - are they so brilliant that they could only have been built by aliens?
|RMS Titanic - Original Pictures||
Original black & white photos of the Titanic, which sank on 15 April 1912, resulting in the deaths of 1,517 people.
|Robotic Hands move faster than the eyes can see||
These high-speed Japanese robots can do precise operations at a blisteringly fast speed.
|Arithmetic, Population, and Energy Part 2 of 8||
Most people do not understand exponential growth, yet the concept is of fundamental importance. Lecture by Dr. Albert A. Bartlett, professor emeritus of Physics at the University of Colorado-Boulder.
|The Science of Overpopulation||
The world's population is growing at around 1.1% per year. By 2050 we should have around 9.3 billion people.
|Plate Tectonics - the Movement of Continents||
California and Australia used to be neighbors and Brazil was close to or connected to Nigeria. What drives the engine of plate tectonics remains a mystery.