The new findings were presented this week in San Antonio,Texas, at a meeting of the Associated Professional Sleep Societies.

VOA: special.2010.06.09

Now,we talk to a researcher who presented a study this week at the Pediatric Academic Societies meeting in Vancouver,Canada.

VOA: special.2010.05.06

This past week,volunteers from Red Cross and Red Crescent societies around the world gathered in Solferino to mark the anniversary.

VOA: special.2009.07.01

When societies cooperate with the aim of creating a public good, there is always the possibility of a free-rider.

VOA: special.2009.03.03

Stephen Ryan is the communications officer for youth and volunteers at the International Federation of Red Cross and Red Crescent Societies.

VOA: special.2009.07.01

And in societies where there is less trust between people, the quality of the legal system plays a larger part.

VOA: special.2009.12.19

She said their life was free of the anger and rebellion found among young people in other societies.

VOA: special.2010.01.17

Only the very wealthy people in Aztec societies could afford to drink chocolate because cacao was so valuable.

VOA: special.2010.02.17

One was the idea of voluntary relief societies to provide assistance to the wounded or other people.

VOA: special.2009.07.01

These groups are known as Greek letter societies or as being part of the Greek system.

VOA: special.2009.09.25

She studied the problems of child-rearing, personality and culture in different societies.

VOA: special.2010.01.17

She wanted to examine the activities and traditions of different societies.

VOA: special.2010.01.17

They express the ideas and beliefs of human societies through stories.

VOA: special.2009.09.23

Some of the northern groups were companies called emigrant aid societies.

VOA: special.2009.04.30

Seward criticized Daniel Webster for speaking against the Abolition societies.

VOA: special.2009.04.02

Instead they reflect the cultural traditions of different societies.

VOA: special.2010.01.17