Tunisia is observing three days of mourning for people killed in the revolution that ousted the president a week ago.

VOA: special.2011.01.22

For many centuries, navigators hoped they could find longitude by observing the movement of stars at night.

VOA: special.2010.07.14

Members of a local conservation group, Watamu Turtle Watch, have been observing the nest for a couple of days.

VOA: standard.2010.07.15