After rising steadily since last week, oil prices dipped for a second consecutive day amid reports of growing U.S.crude inventories.

VOA: standard.2009.08.05

We controlled for other well-known fixed calendar (we call them Gregorian anomalies), notably,day of the week effect, like Monday,January effect, Halloween effect, and none of those factors explained results.

VOA: standard.2010.08.05

The British only stayed for a week, then marched out of town on July 4th, five years to the day after the American colonies had first declared their independence.

VOA: standard.2010.07.03

More than 150,000 people have left their homes in Burkina Faso, many in the capital Ouagadougou, where the United Nations says the amount of rain that fell in one day last week equals one-quarter of the nation's average annual rainfall.

VOA: standard.2009.09.06