All animals function - to some degree - on instinct. From the tiniest slug, to the largest elephant, to the brainiest human; we all are inherently inclined to perform certain behaviors. It's simply ...

Symbolic triggers shape human behavior in profound ways, influencing everything from global mourning to acts of violence. The death of Princess Diana triggered worldwide grief, as she embodied the ...

In 1953, while I was a graduate student at Harvard University, I heard a lecture by Konrad Lorenz on ethology. The experience illustrates the principle that new fields are impelled by one to several ...

The techniques of recombinant DNA are exploited to define a family of genes encoding a set of related neuropeptides whose coordinated release governs a fixed-action pattern: egg laying in a marine ...