May 14, 2009 | 1
Who hasn’t felt a pang over the path not taken, the door not picked, or the bet not placed?
Humans apparently aren’t alone in feeling regret. Other primates appear to experience it, too, according to a study published today in Science.
Duke University researchers enlisted monkeys in a simian version of the television game show Let's Make a Deal to test whether they also wondered about what might have been.
Juice was subbed for cars and vacations. There were, however, no monkey fill-ins for Monty Hall and Carol Merrill.
The thought process of regret is complex and involves the anterior cingulate cortex (ACC) in conjuring not only a past outcome but also imagining alternative presents and changes to future behavior.
Aug 11, 2008 | 3
As the world turns its attention to the spreading fight between Russia and the Republic of Georgia, it’s worth a reminder that war can have lasting effects on the soldiers who fight it and the citizens who get caught in it. The effects of post-traumatic stress disorder are well-known, and some populations are affected more than others. (Meanwhile, some armed forces are experimenting with ways to “juice” the brains of their soldiers, and Georgia is accusing Russia of a coordinated cyberattack on Georgian Web sites, according to ZDNet.)
Aug 5, 2008 | 2
Nearly half of the monkeys, apes and lemurs in the world are in imminent danger of disappearing from the planet, according to a new survey. The news comes even as a separate new census has uncovered far more gorillas than expected.
The International Union for Conservation conducted its first survey of the 634 known primates in five years and found that 48 percent face extinction. Particularly at risk are the great apes like orangutans.
"The situation is far more severe than we imagined," said Russell Mittermeier, president of Conservation International and chairman of the IUCN's primate group, at the release of the analysis in Edinburgh. Although tropical forest destruction remains the main cause, "in many places, primates are quite literally being eaten to extinction."
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