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When they work together, chemical reactions take place smoothly. Body systems are kept in balance.
Los Angeles, California is the second largest city in population, after New York City. Los Angeles has several nicknames.
Don Taylor spent 26 years of his life as a police officer in Detroit, the city where he was born and raised. It was a dangerous job, but one he is fond of.
Biologist Diana Wall went to the ends of the earth - the seemingly lifeless Antarctic desert - to study the life in soil.
It is here at last: the Washington D.C. spring, when America’s capital bursts into color.
Today we tell about a study of groundwater losses in the Middle East.
Today we tell about a study showing some of the world’s richest countries need to take better care of their children.
Today, we tell about the struggle facing Iraq and other countries to care for the thousands of refugees fleeing the conflict in Syria…
Many American cities have interesting nicknames. Nicknames can help establish the identity of a city.
Ms. Mahboob says using the Internet is one way for women to have a freedom that is still hard to find in some parts of Afghanistan.
Today we hear from Indonesia, where millions of people are using cellphones to help them find jobs.
Today we tell about a program in the nineteen sixties to train women as astronauts.
