Orion the hippo gets a visit from the dentist. Photos via AFP/Getty

For a lot of people, visiting the dentist is a traumatic experience--the poking, the prodding, the unnerving sound of the drill. Some even shudder just to receive that 'friendly notice' in the mail, reminding them to get a check-up--the cartoon of that anthropomorphic tooth smiling, clutching a toothbrush offering little consolation from the dread. Well, none of this anxiety about visiting with the dentist seems to be a problem for one particular patient: a hippo named Or...Read the full story on TreeHugger