The book is a history of science, professional morals and the human story behind a famous line of cells.

VOA: special.2010.07.21

The Australian government said the technology was part of the country's "proud history" in space science and research.

VOA: standard.2010.07.24

"There is absolutely no difference in the content of social studies, history,geography,math and science.

VOA: standard.2010.07.12