Since Darwin's conception of sexual selection theory, scientists have struggled to identify the
evolutionary forces underlying the pervasive differences between male and female …

The Centre for Adaptive Behaviour and Cognition (ABC) has hypothesised that much human
decision-making can be described by simple algorithmic process models (heuristics). This …

Gerd Gigerenzer's influential work examines the rationality of individuals not from the
perspective of logic or probability, but from the point of view of adaptation to the real world of …

How do people make decisions when time is limited, information unreliable, and the future
uncertain? Based on the work of Nobel laureate Herbert Simon and with the help of …

Although theory indicates that natural selection can facilitate speciation as a by-product,
demonstrating ongoing speciation via this by-product mechanism in nature has proven …

Male genitalia may experience more rapid, divergent evolution than any other animal
character, but why? Research during the past several decades has culminated in the view …

Hybridization has been recognized to play important roles in evolution, however studies of
the genetic consequence are still lagging behind in vertebrates due to the lack of …

Female green swordtails, Xiphophorus helleri, show a mating preference for males with
brightly colored, elongated swords. This preference is thought to be due to a preexisting …

Sexually selected traits are shaped by an interaction between sexual selection and other
natural selection pressures in the environment. However, there is little understanding of how …

To understand how sexual selection works, it is important to distinguish between the
mechanisms underlying mating success. One of the basic questions is to differentiate …