Decreases in barometric pressure two to three days before the visit also appeared to trigger headaches, but to a lesser extent.

VOA: special.2009.03.18

Now he would have to deal with the problems that presidents before him had not been able to solve.

VOA: special.2009.05.07

Gather and tie the leaves over the head, and do not wait for the buds to separate before harvesting.

VOA: special.2010.03.09

The researcher said that before the body begins to freeze, cold can cause changes in brain chemistry which lead to hallucinations.

VOA: special.2010.02.24

The Cassatt family lived in Paris, France for about two years before moving to Heidelberg in modern day Germany.

VOA: special.2009.07.12

Some students work for a year or two in a medical or research job before they attempt to enter medical school.

VOA: special.2009.06.02

Foreign students who will be attending graduate school can apply for some jobs before they come to the United States.

VOA: special.2009.01.29

He served for 8 years in the Illinois state Senate before voters elected him to the United States Senate in 2004.

VOA: special.2009.01.12

In colder climates, parsley can go into the ground two to three weeks before the last winter freeze is likely to happen.

VOA: special.2009.06.02

They say we should drink water even before we start to feel like we need something to drink.

VOA: special.2010.07.27

He also says non-native speakers generally use too much emotional language and give too many details before getting to the main idea.

VOA: special.2009.04.30

He attempts the dangerous plot just three days before she is to be sent to a high-security prison.

VOA: special.2010.12.13

This is because parents give resources,education and medical care to their boys before giving them to girls.

VOA: special.2010.06.16

The rockets, normally released before returning to Earth, could help keep a loose heat shield in place.

VOA: special.2009.06.17