Reducing the current four car lanes to two, or rebuilding the entire area for bipeds only? (treehugger.com)
Full - size biped robot strikers debut at this year's competition as human World Cup teams play on in South Africa (scientificamerican.com)
Walking upright is one of the defining features of the human lineage, and as feet are the only structure that make contact with the ground in bipeds, they can tell us a lot about our ancient relatives» way of moving. (sciencedaily.com)