Occasionally, though, eruptions at one volcano do seem to influence activity at the other.

With the advent of the industrial revolution, it was easy to see that technological advances were going to influence human activity.

"Maybe consciousness doesn't influence neural activity at all," Timberlake said.

It is not clear how all peptides that influence hypothalamic activity gain the necessary access.

Fiscal policy consists in managing the national Budget and its financing so as to influence economic activity.

Their presence influenced activity at the castle as led to it becoming the country's most important military store.

Aside from the conduct of the war, a number of economic reports will probably influence activity in the credit markets this week.

Fiscal policy refers to the use of the government budget to influence economic activity.

Rumors about the cause of the plane crash in which President Zia died could influence political activity.

Still, presidents like to think - or at least claim - that they influence economic activity.