How exactly does a newly-hatched spider weave a perfect web that is characteristic of his or her species—without ever even having seen such a web, let alone having been trained to spin one? How do ...

A stroll through the world of animals and men : a picture book of invisible worlds / Jakob von Uexküll -- Companionship in bird life : fellow members of the species as releasers of social behavior / ...

Innate fear is an essential emotion for animals to avoid danger in a severe natural environment. Rodents kept in a laboratory also show instinctive fear behavior against the smell of predators such as ...

Princeton University researchers have discovered that learned behaviors can be inherited for multiple generations in C. elegans, transmitted from parent to progeny via eggs and sperm cells. The paper ...