" The Grand Mufti accused the unnamed European cleric of apostasy: "He who casts doubts about their infidelity leaves no doubt about his own infidelity.

CENTERFORSECURITYPOLICY: Center For Security Policy

One story goes that when Lady Grey found out about the infidelity of her husband, she killed him.

BBC: Myths and legends about ghostly grey ladies

He attributes a spate of recent films about marital infidelity to the spread of damaged relationships behind closed, middle-class doors.

ECONOMIST: Iranian cinema: How not to be offside | The

Meanwhile, the page runs into one of Deianira's servants, Lycas, and they talk about Hercules' infidelity.

NPR: Heroic Obsession: Cavalli's 'Hercules In Love'

But a mass database could have some serious unintended consequences, since it would reveal a lot about the rate of infidelity in people.

ECONOMIST: A survey of the human genome

In 2008, the couple's marriage was rocked by tabloid speculation about Ashley Cole's infidelity.

BBC: Cheryl Cole

As for Mr Edwards, his brazen infidelity with a political hanger-on and videographer, who rambled on about reincarnation and who introduced herself as a witch, only serves to demonstrate that America dodged a bullet in 2004 when Mr Edwards was the vice-presidential nominee.

ECONOMIST: How Barack Obama beat the Clintons and won the White House