And it provides a guide to higher education in the United States, including explanations of commonly used terms.

VOA: special.2010.02.11

According to Sahin, scientists have known for some time that conventional explanations for how parts of the brain work need to be revised.

VOA: standard.2010.01.15

"There are many explanations." "One,is we are just much less active than we used to be.

VOA: standard.2010.07.02

Explanations range from a fight between a Kyrgyz and Uzbek over an unpaid taxi fare to a plot by Kyrgyzstan's ousted president Kurmanbek Bakiyev to regain power.

VOA: standard.2010.06.15