An ornithologist devises a test to see how clever ravens really are.

See All National Geographic Videos
http://video.nationalgeographic.com/video/?
Vodpod videos no longer available.

Can a cat and crow share one bowl of food?
Vodpod videos no longer available.

Moses the crow and Cassie the cat bonds. Video from Animal Planet.
Vodpod videos no longer available.

We have to learn…
Vodpod videos no longer available.

In the Brevia section of the 9 August 2002 issue of Science, Weir et al. report a remarkable observation: The toolmaking behavior of New Caledonian crows.
Vodpod videos no longer available.

don’t quit until the end of the video.
Vodpod videos no longer available.

When Mandelbrot first began the work that led to the birth of fractal geometry, there was “an explosion of interest” from his colleagues he told us during his Big Think interview: “Everybody in mathematics had given up for 100 years or 200 years the idea that you could … from looking at pictures, find new ideas. That was the case long ago in the Middle Ages, in the Renaissance, in later periods, but by then mathematicians had become very abstract.” By contrast, the complex mathematical shapes called fract
Vodpod videos no longer available.

Benoît B. Mandelbrot is a French and American mathematician, best known as the father of fractal geometry. He is Sterling Professor of Mathematical Sciences, Emeritus at Yale University; IBM Fellow Emeritus at the Thomas J. Watson Research Center; and Battelle Fellow at the Pacific Northwest National Laboratory. Mandelbrot was born in Poland and educated in France, and is now a dual French and American citizen. His books include the classic “The Fractal Geometry of Nature” (1982).

http://bigthink.com/benoi
Vodpod videos no longer available.

Live on German Top of The Pops show.
Vodpod videos no longer available.

Classic track from the wonderful T-Rex.
Vodpod videos no longer available.

As seen on CNN! Bibi wants to be the Spokesbird for the Barack Obama Presidential Campaign!
Vodpod videos no longer available.

Oh, happy days.
Vodpod videos no longer available.