In a famous experiment conducted at University of Chicago in 1983, rats kept from sleeping died after two and a half weeks.

She made some very complementary remarks about my English, saying that I spoke quite fluently and comprehensibly.

It is primary education that establishes foundations in science, geography, history, or other social sciences for young students.

Platinum is a rare and value metal, white in color and easy to work.

He was quite amusing when he heard what happened.

The president, with his wife and daughter, are returning from a brief vacation at Sun Valley in order to attend a press conference this afternoon.

The news of the flood in Central provinces were broadcast over radio and television as well as published in the newspaper.

Taking a trip to the foreign country is a good way to practice a second language, but it is too expensive for many people.