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See video 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.

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See video High Speed Video of Flipping Cats

Physics demonstrated through falling cats - learn about intertia, angular momentum, torque and rotational axes.

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See video 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.

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See video Lioness swimming with Kevin Richardson - an unusual friendship

Animal behaviorist Kevin Richardson from South Africa has an unusual group of friends - lions. Through his unique relationship with lions he can get them to do unusual things, such as joining him for a swim.

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See video Fire ants create lifeboat in the Amazon (BBC)

Embedding disabled: watch video on YouTube. When a flood threatens a fire ant colony in the Amazon jungle, they adapt by forming a lifeboat.

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See video Photosynthesis

This animation shows the process of photosynthesis. Energy from light is absorbed by chlorophyll, exciting electrons which then pass through an electron transport chain.

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See video Komodo dragon: one bite kill

How can the Komodo Dragon kill a buffalo many times its size with a single bite? It is a mystery scientists are still trying to solve.

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See video מערכת משוואות - עמרי נוווה - - מואר 57049 3.02
See video 12 year old girl gives moving speech to the UN

"Severn Suzuki" Organization of Children in Defence of the Environment, during the ECO 92 - United Nations Conference for Environment and Development.

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See video The Internet in 1969

A remarkable prediction of future technology back in 1969, when the PC did not even exist yet (the first PC was the Apple II in 1977).

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See video Fishing Spider Preys on Frogs

Fishing Spiders lurk near water and prey on fish, tadpoles and frogs. The spider rests on the water's surface with its hind legs anchored on a leaf or rock, and when it detects the vibrations of passing prey it dives into the water.

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See video Home - A documentary about planet Earth

Click here to watch in HD. A beautiful copyright free, non-profit documentary about planet earth, balance, climate change, melting glaciers, deforestation, energy and agriculture.

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