Bionic prostheses such as its "Rheo Knee" use artificial intelligence which adapts to the wearer's gait speed and their walking environment.

CNN: Powering prosthetics with thoughts alone

You also have the ability to bounce on pads using the rear touch-pad, take photos of the environment and walking around walls using conveniently positioned paper-glue.

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Harris allows his actors to inhabit a lived-in environment without turning them into walking knick-knacks that announce the period.

CNN: Ed Harris excels, but film does not

"These were found in a shallow marine environment, so this beast must have been walking around, keeled over, died and the sediment must have gone over them and protected them for 12, 000 years, " Mr Mount said.

BBC: The tusks

He says many developers are using gyms, dog-walking services and even larger mailrooms to create a more social environment to lure single people.

WSJ: Looking Out for No. 1 - WSJ Mansion

Activities play off the environment: dune trekking--somewhere between hiking and barefoot beach walking, with a whiff of snowboarding as you slide downhill--camel rides, archery, and dune bashing in SUVs driven (by staff) at high speed over the hills.

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