Neurobiology News.........Nicolelis and Simon Labs: the brain can respond to the calorie content of food, even in the absence of taste..........Michael Platt: Monkey Brain Gives Clues to Human Interaction............Jim McNamara: identifies a novel mechanism of TrkB transactivation.....Rich Mooney: Songbirds' Brains Provide Clues to Human Speech.............Miguel Nicolelis: Monkey’s Thoughts Makes Robot Walk from Across the Globe........