Russian President Vladimir Putin, right, heads a State Council session alongside Russian Prime Minister Dmitry Medvedev in Moscow last year. Increasing political attacks on Medvedev have accompanied Putin's suspicions about his erstwhile partner's ambitions.
Parishioners partake in the Way Of The Cross procession at the Colosseum on Good Friday in Rome. A group of women Catholics recently made a pilgrimage to Rome to request that women once again be allowed to hold leadership positions in the church.
Credit Christopher Furlong / Getty Images
Sister Carolyn Osiek guides American pilgrims through Ostia — the ancient port city of Rome — for prayer and songs.
The newly elected pope's focus on the poor and the marginalized has instilled great faith among many Catholic women. They hope the papacy of Pope Francis will promote a leading role for women in the church.
A group of American nuns and Catholic women recently made a pilgrimage to Rome to make their requests heard.
When anthropologists tallied the use of emotional words through a century of literature, they included many books without clear emotional content — technical manuals, for example, and automotive repair guides.
Credit Steve Debenport / iStockphotography
Researchers were able to chart historical periods of positive and negative moods through literature. Values above zero indicate generally "happy" periods, and values below the zero indicate generally "sad" periods.
Credit Alberto Acerbi, Vasileios Lampos, Philip Garnett, R. Alexander Bentley / PLOS ONE
Were people happier in the 1950s than they are today? Or were they more frustrated, repressed and sad?
To find out, you'd have to compare the emotions of one generation to another. British anthropologists think they may have found the answer — embedded in literature.
Several years ago, more or less on a lark, a group of researchers from England used a computer program to analyze the emotional content of books from every year of the 20th century — close to a billion words in millions of books.