Chocolate fuel, steroids and roomba sumo
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From 2006: Ian Woolf reports on fuel from waste, Lachlan Whatmore on the Portuguese Man-of-War, Matt Clarke on Roomba Sumo, Lachlan Whatmore explains how steroids work, and how they mess you up, Ian Woolf reports on magnetic implants, Lachlan Whatmore reports on a gel that protects against AIDS. Hosted by Matt Clarke, Produced by Ian Woolf Support Diffusion by making a contribution)

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