On EXPLORATIONS: The spread of cell phones, computers and other technology has increased economic growth in poor countries. But such countries still have a long way to go to catch up to the developed world.

On EXPLORATIONS: The growth of the Internet has led to new technologies. Many are being used today to create valuable learning environments in education. Third of three reports about the Information Age.

On EXPLORATIONS: Computers around the world are connected in an extensive communication system called the Internet. In this second of three reports about the Information Age, we tell how the Internet developed.

On EXPLORATIONS: We tell about some of the first communication inventions. First of three reports about the Information Age.

On EXPLORATIONS: Sergei Prokofiev’s version of the story is a favorite with choreographers and ballet lovers.

On EXPLORATIONS: From Cannes to Cairo, festivals bring the movie industry, media and movie lovers together.

On EXPLORATIONS: The Red Cross is providing aid to victims of the cyclone in Burma, earthquake in China and starvation in Ethiopia. 

On EXPLORATIONS: People visit Mount Rainier to climb it or enjoy its natural beauty. They visit Valley Forge to remember heroes of the America Revolution.

On EXPLORATIONS: At the time of her death, she held more speed, distance and altitude records than any other pilot -- man or woman -- in aviation history.

On EXPLORATIONS: Nature took thousands of years to build the dunes. But without government protection, people could destroy them in a lifetime.

On EXPLORATIONS: The price of food is rising sharply around the world. International officials met this month to take action to try to ease the problem.

On EXPLORATIONS: Join us as we travel around the world to look at buildings designed by five important architects.

On EXPLORATIONS: Car industry growth is slowing in industrial nations but expanding in the developing world. Also, fuel cell, electric and hybrid vehicles could all be part of the future of cars.

On EXPLORATIONS: For many centuries, scientists, astronomers and inventors searched for a way to tell longitude. Finally, they found it.

On EXPLORATIONS: A visit to the apartments of the Gumpertz family, the Baldizzis, the Rogarshevskys, the Levines and the Confinos.

On EXPLORATIONS: Here are some ways that local governments are taking steps to protect the environment.

On EXPLORATIONS: Musicians who play country, flamenco, blues and rock all play the guitar their own way.

On EXPLORATIONS: Chocolate maker Jane Morris says it is a perfect food.

On EXPLORATIONS: He took part in the famous shooting incident called ''The Gunfight at the OK Corral.''

On EXPLORATIONS: Experts in different areas of study are looking at the meaning and cause of happiness.