Climate negotiation as a bargaining game

For more than two decades, members of the United Nations have sought to forge an agreement to reduce global greenhouse gas emissions. But so far, these international climate negotiations have had limited success.

Intelligent warning systems may make 'dilemma zone' safer

Most drivers have experienced a traffic signal that turns yellow just as they approach an intersection, which makes it difficult for them to decide whether to stop or proceed through it. The wrong choice in this critical ...

Emerging ethical dilemmas in science and technology

As a new year approaches, the University of Notre Dame's John J. Reilly Center for Science, Technology and Values has released its annual list of emerging ethical dilemmas and policy issues in science and technology for 2014.

Generosity leads to evolutionary success, biologists show

With new insights into the classical game theory match-up known as the "Prisoner's Dilemma," University of Pennsylvania biologists offer a mathematically based explanation for why cooperation and generosity have evolved in ...

Ivory Coast turns to brute force to save forests

It was a brutal end to a long-term problem. Faced with the dilemma of trying to save a protected forest, which had become home to thousands of people, the Ivory Coast government turned to force.

Most parents monitor kids on Facebook, study finds

Some two-thirds of American parents monitor their children's Facebook activities, but a large percentage say they trust their youngsters to manage on their own, a study showed Thursday.

Galaxies the way they were

(Phys.org) —Galaxies today come very roughly in two types: reddish, elliptically shaped collections of older stars, and bluer, spiral shaped objects dominated by young stars. The conventional wisdom is that the two types ...

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