It is sad to grow old, but nice to ripen.

"Almost a hit," said the boy as he threw the stone at his dog and hit his stepmother's leg.

Zoologists can also be involved in conservation, protecting endangered animals and their habitats.

Zoo animals are ambassadors for their cousins in the wild.

Zombies to me don't represent anything in particular. They are a global disaster that people don't know how to deal with.