In the game of evolution, key behavioral adaptations that confer fitness in survival and reproduction, paying tremendous dividends for an individual's progeny, may seemingly arise from thin air—so ...

Cichlid fishes exhibit differing degrees of curiosity. The cause for this lies in their genes, as reported by researchers from the University of Basel in the journal Science. This trait influences the ...

Part 1. The historical perspective -- 1. Introduction -- 2. The history of mammals [animals] -- 3. The early radiations -- 4. The Edentata -- 5. The Pholidota -- 6. Conclusions concerning the early ...