Excessive Internet use should be defined not by the number of hours spent online but "in terms of losses," said Maressa Orzack, a Harvard University professor.

The difference lies in whether the project is in a sense defined and developed by the student or whether it's assigned by a teacher.

The length of the workday, for many workers, is defined by time.

The-doctors response to the question of whether or not dogs can fall in love like humans do was a straight "Of course!" He went on to say that if love is defined as a long term commitment meaning dogs seek one another out when they're apart, they're happy

But try to imagine our world as well without the remarkable works that have defined our culture and values.

Michael Yudell, a professor of public health at Drexel University in Philadelphia, said that modern genetics research is operating in a paradox: on the one hand, race is understood to be a useful tool to illuminate human genetic diversity, but on the othe

Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.

Resurrection plants, defined as those capable of recovering from holding less than 0.1 grams of water per gram of dry mass, are different.

The Wallaces, both children of church ministers, had a clearly defined formula for their "little magazine", as Reader's digest was originally subtitled.

Twenty years ago, the Urban Land Institute defined the two types of cities that dominated the US landscape: smaller cities that operated around standard 9-5 business hours and large metropolitan areas that ran all 24 hours of the day.