Giant panda cub aces his weekly exam - San Diego, California Talk Radio Station - 760 KFMB AM - 760kfmb

SAN DIEGO (CBS 8) - The San Diego Zoo's giant panda cub aced his weekly exam.

Veterinarians say the little guy is building more muscle and walking with confidence. He has eight teeth and more about to break through.

But being an adorable panda cub is apparently exhausting. Xiao Liwu fell asleep during the exam.