Polar bear cub makes debut [ 2007-03-26 09:39 ] Berlin zoo employee Thomas Doerflein plays with polar bear cub Knut during the bear's first presentation in Berlin zoo, March 23, 2007. Knut, born on ...

Polar bear cub makes debut [ 2007-03-26 09:39 ] Visitors watch polar bear cub Knut in Berlin zoo, March 24, 2007. Knut, born on December 5, 2006, had to be hand fed every four hours by an employee of ...