More than 1.2 million plant and animal species live on Earth. There are dry deserts, icy deserts, rainforests, grasslands, mountains and oceans. All a ...

When Carl was a boy, he often wore goggles and a helmet because he imagined he was an explorer. Now Carl is an old man and he has to go to live in a h ...

In January 2009,  a new American president moved into the White House. But who is Barack Obama? What do we know about his family and his early life? ...

Original / American English Martin Luther King had a dream. He wanted blacks and whites to live together happily. But in America in the 1950s and 1960 ...