Eat food as closely to the way nature presents it to us.

Or at least the nature of reality as television presents it these days.

To some extent the birds' nature presents a problem.

Alas, nature presents us with death as well as growth.

Yet the nature of the consortium also presented challenges for her.

The complex nature of polyamory presents difficulties in structuring such research.

The board is aware that the nature of the problems presented requires professional counseling.

The complex nature of chemicals mixtures in the environment presents a challenge to risk assessment.

The loose nature of this network, though, presents problems for Americans in thinking about how to confront it.

The repetitive nature of this region has presented significant challenges to genomic sequence assembly.