Typically volunteers spend about 20 to 30 days in the host country.

The volunteers then spent seven minutes chatting to male or female members of the research team before repeating the test.

Many conservation workers, volunteers and scientists spend time on the islands in the summer months.

Once the remaining guests went home with their hosts, he and the other volunteers who could still stand had spent several hours cleaning up.

A man who volunteers to spend time with children!

Museum staff and volunteers spent two months building the layout.

These volunteers spent an anxious night, then joined battle in the morning.

In the study, 90 volunteers spent 20 minutes with their feet in a bucket of cold water.

By election day, volunteers on both sides spent thousands of hours getting their messages across to the state's 17.3 million registered voters.

Many volunteers said they had given up their jobs and spent endless hours gathering signatures.