Diogenes of Sinope, the Greek philosopher, was one of the founders of the Cynic philosophy. An irascible yet formidable character, Diogenes displayed his disdain of Athenian convention by living a spartan lifestyle and …

Flying elicits a smorgasbord of responses. Most people’s reactions tend to languish somewhere between fear and boredom; for some travellers, being buoyed thousands of feet in the air free from the constraints of place and …