Celebrities are not the only ones to make mistakes with their estate planning.

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Major international content providers, such as the BBC, ABC News, NBC News, Disney and even Nasa have started to make their programmes - usually ones with no music - available as podcasts to download.

BBC: NEWS | Technology | Podcasting set for 'huge growth'

Technology developed at MIT's Leg Lab, where Dilworth works, allows researchers to make robots with springy joints, not stiff ones.

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