He also observed changes in the house and around it.

He spent most of the time observing the natural world around him.

The phenomenon has since been observed by several university groups around the world.

When she turned to face him again, he observed the tension around her mouth and eyes.

Like someone watching a play in a theater, I observed the performances around me.

He seemed to be interested in making me observe the scenery all around us.

Students are encouraged to observe the world around them and begin asking questions about things they notice.

Students in grades K-12 can observe weather conditions near their school or around the region.

Over the next year, New York's first century will be observed in different ways around the city.

Paul, observing the play of emotion around him, felt abruptly that he no longer knew these people.