Lie groups are used to study space, structure, and change.

United said yesterday that it was studying potential changes in its rules.

He studied social change produced by the introduction of new technology.

Developmental psychologists have a number of methods to study changes in individuals over time.

We must also study the processes by which pollutants decay and change.

"The general purpose of the Rwanda field research," she wrote, "was to study change."

Since the book spread overseas it has also often been considered a classic text to study changes in species.

So they said they would add a commission to their own legislation to study further changes in the law.

The telescopes are used to study helioseismology and other changes in the sun's nature.

Mainstream evolutionary economics continues to study economic change in modern times.