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See video Narwhals - toothed whales (National Geographic)

Narwhals are a unique species of whales with a large horn or tusk that is actually an overgrown tooth. No one yet knows what the purpose is of this horn.

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See video Cloud gravity waves

Gravity waves (not to be confused with gravitational waves) are waves generated at the interface between two media, for example the ripples created by a rock thrown into a pond. In the atmosphere, it is the result of air rising and sinking, gradually moving back towards its equilibrium point.

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See video 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.

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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 John Lloyd: What's invisible? More than you think (TEDTalks)

A talk about important and everyday things in life which are impossible to see.

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See video Self-organizing robots

Robots with a mind of their own are now being created which can physically join together and self-assemble to fulfill different functions.

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See video Dancing Robots by Sony

These smooth moving Sony robots have some impressive dance moves.

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See video Big Dog - an ultra stable quadruped robot

BigDog is a dynamically stable robot using four legs for movement. This video demonstrates how it handles being kicked, balancing on slippery ice and overcoming obstacles.

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See video Python vs Cobra

A Cobra challenges a Python and wins. It then devours the Python.

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See video Khan Academy: SOPA and PIPA

An introduction to SOPA and PIPA and what they could end up enabling.

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See video Laminar Flow

Video showing Laminar Flow and demonstrating fluid flowing in layers. The flow is "smooth" in contrast to turbulent flow which is "chaotic" .

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See video David Blaine: How I held my breath for 17 min (TEDTalks)

An interesting talk from illusionist and endurance artist David Blaine about pushing the limits of the human body.

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