A group of scientists consider whether animals really think
Though humans are understandably loath to relinquish their monopoly on intelligence, observers have long believed that a good case can be made for the animal mind. At a weekend symposium at the National Zoo in Washington, D.C., a group of scientists put their brains together to decide whether or not animals think. Their conclusion: an unequivocal maybe.
The central problem in arriving at an answer is how to measure intelligence. Homo sapiens has a hard time devising IQ tests for its own species, much less trying to assess the brains of others. One...