Geo quiz and answer

Today's answer is the Australian city of Sydney, where a summer arts festival is fully underway. Reporter Sheri Fink sends us an audio postcard.

Science, Tech & Environment

Geo answer

Today's Geo Quiz focuses on four cities -- La Paz, Bolivia -- Dar Es Salaam, Tanzania -- New Delhi, India -- and Sydney, Australia. The question is which one has the highest gasoline prices. We had reporters check them out. The answer is Dar es Salaam. A gallon of gasoline in the capital of Tanzania costs 5 dollars and 6 cents.

Arts, Culture & Media

Geo answer

Researchers are developing a robot that they hope will one day provide home care for the elderly. They've enlisted the help of a Sydney performance artist to make the robot seem more human. Correspondent Phil Mercer has the story.