If it is hard enough to define a team's membership, agreeing on its purpose is harder still.

Seventy percent of girls aged 10 to 18 report that they define perfect body image based on what they see in magazines.

It defines the future of the fashion industry.

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

If that's how we're defining digital textbooks, there's no hope of that becoming a mainstream product.

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.

Norms define how people " ought" to behave under particular circumstances in a particular society.

a basis for explaining human genetic diversityan aid to understanding different populationsan explanation for social and cultural differencesa term to describe individual human characteristicsmodern genetics research is likely to fuel racial conflictsrace is a poorly defined marker of human genetic diversityrace as a biological term can explain human genetic diversitygenetics research should consider social and cultural variablesit is absolutely necessary to put race aside in making diagnosisit is important to include social variables in genetics researchracial categories for genetic diversity could lead to wrong clinical predictionsdiscrimination against black people may cause negligence in clinical treatmentThey be more precise with the language they use.

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 other hand, race is also understood to be a poorly defined marker of that diversity.

I’m going to define what love is, but then most of the experiments I’m going to talk about are really focused more on attraction than love.

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

Economic inequality is the defining challenge of our time.

Humanistic thinking helps define our culture and values.

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

As Yale law professor Anne Alstott argues, justifying parental support depends on defining the family as a social good that, in some sense, society must pay for.

I'm going to define what love is, but then most of the experiments I'm going to talk about are really focused more on attraction than love.

So how would you define Jazz?