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More genetic data is available than ever before to help build evolutionary trees, but scientists are finding that different genes even in the same organism can tell conflicting stories.
New research has prompted a resurgence of interest in the patterning mechanisms Alan Turing proposed 60 years ago.
Game theorists have developed a new model of communication among animals. It suggests evolution will produce a situation in which members of a species are honest most of the time, but not always.