Look Ma No Cavities! Shanghai Zoo Hippos Get A Toothbrush

Meera Dolasia
Mon, 08 Nov 2010 14:26:30 -0800

The hippos at the Shanghai Zoo in China will no longer have any reason to fear a visit from the dentist. That's because the zoo officials have finally built a special four-foot long toothbrush to take care of their pearly whites.