Notice how some of these tomatoes have unripe-looking tops? Those "green shoulders" are actually the keys to flavor. pocius/Flickr.com hide caption

itoggle caption pocius/Flickr.com

Human baby Charlotte, the 13-month-old daughter of NPR producer Tom Bullock, tried the same tests that DeeChee, the robot, does for language-learning experiments. Dr. Caroline Lyons says human babies have an advantage: They spend every waking hour of the day in a speaking world. Tom Bullock/NPR hide caption

itoggle caption Tom Bullock/NPR

All Tech Considered

'Baby' Robot Learns Language Like The Real Thing

With DeeChee's help, researchers are studying how babies transition from babbling to forming words.

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