Man's New Best Friend?

Meet the latest in Japanese robotica: a droid that cares ... for old people. A team of scientists at Riken's biomimetic-control research center in Nagoya has developed RI-MAN (for Robot Interacting with Human) to look after the elderly. Standing 5-ft. 2-in. tall, the robot can hoist 77 lbs; its 320 pressure sensors and soft silicone skin allow the robot to safely carry a human body. RI-MAN can also pinpoint where sound is coming from and "smell" eight scents--including urine, which signals "diaper change." But RI-MAN needs a brainpower boost before it's ready for consumers. It can't distinguish faces yet, for example. Scientists say they'll smarten it up soon, but will they give this tin man a heart?