Sex, flies and videotape

On a hot summer day, in a darkened chamber, a video camera follows a couple as it engages in nature's oldest game—courtship. The male sings and chases after the female when suddenly a long tubular organ emerges from her ...

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Behavior

Behavior or behaviour (see American and British spelling differences) refers to the actions and mannerisms made by organisms, systems, or artificial entities in conjunction with its environment, which includes the other systems or organisms around as well as the physical environment. It is the response of the system or organism to various stimuli or inputs, whether internal or external, conscious or subconscious, overt or covert, and voluntary or involuntary.

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