The second thing is Keas social feed, which is another form of positive reinforcement, in this case from peers.

FORBES: How Keas Gets Couch Potatoes To Lose Weight

In this case, the USDA reports that it was a rare form of BSE not likely carried by contaminated feed.

CNN: Mad cow case confirmed in California

In this case, the Agricultural Department reported that the cow had a rare form of BSE not likely carried by contaminated feed.

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Convicted paedophiles might argue that such robots could be used as a form of therapy, while others would object on the grounds that they would only serve to feed an extremely dangerous fantasy.

ECONOMIST: Robotics