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David Bornstein's previous book on social entrepreneurship, How to Change the World, was hailed by Nicholas Kristof in the New York Times as "a bible in the field" and published in more than twenty countries. Now, Bornstein shifts the focus from the profiles of...

The porphyrins are an important class of naturally occurring macrocyclic compounds that play a very important role in the metabolism of living organisms. They have a universal biological distribution and were involved in the oldest metabolic phenomena on earth. Without porphyrins and their relative compounds, life as we know it would be impossible and therefore the knowledge of these systems and their excited states is essential in understanding a wide variety of biological processes, including oxygen binding, electron transfer, catalysis, and the initial photochemical step in...

Suffering and charity have a long history. Both human sorrows and attempted remedies were familiar features of life in earlier eras and religious traditions, however, during the final decades of the twentieth century, natural disasters and civilian casualties of war transformed into "humanitarian crises." In these recurring dramas presented by international media, an extensive network of interstate entities and nongovernmental organizations (NGOs) supplies assistance to victims. The contemporary aid world is a mosaic of aid sectors, each skewed slightly toward a particular aspect of need...

A major reevaluation of relationships among Blacks, Jews, and Irish in the years between the Irish Famine and the end of World War II, The Colors of Zion argues that the cooperative efforts and sympathies among these three groups, each persecuted and subjugated in its own way, was much greater than often acknowledged today. For the Black, Jewish, and Irish writers, poets, musicians, and politicians at the center of this transatlantic study, a sense of shared wrongs inspired repeated outpourings of sympathy. If what they have to say now surprises us, it is because our current...

They call the new virus H17N10, and it's spreading rapidly. Of those exposed, forty percent become infected-ten percent die in agony.

To create a vaccine for the virulent, rapidly mutating disease, the World Health Organization must find the original source of H17N10. All evidence suggests the virus began in heavily militarized, ultra-secretive North Korea.

In North Korea itself, the health of dictator Kim Jong-il -the Dear Leader-slowly declines, leaving military and Communist Party leaders scrambling to solidify their power before the reins pass to Kim Jong-il's youngest son,...