A jolly looking businessman sitting at a desk

A woman admitting a patient at a hospital

A boy doing homework

autumn background with tea and a pair of glasses

Illustration of a Tyrannosaurus Rex boss sitting at a desk.

Wild boar in suit using phone and computer, side view, blue background

Computer hacker using computer in dark, high angle view

President sitting at desk and secretary folding files, Illustrative Technique

A bespectacled boy taking a final exam

Businesswoman sitting on desk of president, president getting angry, Illustrative Technique

A businessman studying his employees at work

Tonic water fluorescing. A glass of tonic water seen under visible light (left) and ultraviolet radiation (right). The fluorescence is due to quinine, a prophylactic against malaria.

Glasses left on messy desk