Multiplication is one of the four basic operations of arithmetic (the other being addition, subtraction, and division). Multiplication operates on the set of real numbers such that for any real numbers multiplied together, a unique real number is...

In mathematics and group theory the term multiplicative group refers to one of the following concepts, depending on the...

Abstract In the United States, more than half of the 2 million deaths each year are due to personal health behaviors. Such conduct includes tobacco use, physical inactivity, poor diet, alcohol and other drug use, violence, and risky sexual practices. Much of...

For more than a century, the Philippines has struggled with unrest. Today, that unrest continues as various ethnic, religious and political factions compete for control of the country, often using terror as a means to their end. Four main insurgent factions, along with...

Sundays at the evangelical Grace Chapel megachurch look like the American ideal of race relations: African-American, Haitian, white, Chinese and Korean families sing along with a white, guitar-playing pastor.U.S. churches rarely have this kind of ethnic mix. But that's changing. Researchers who study race and...