OK, let's stare at some goats. It's not only psychological operations specialists in US intelligence who have strange traffic with these hairy, horned pastoral beasts. Artists have been fixing their eyes on goats for thousands of years, with some equally weird and wonderful results Photograph: Barney Burstein/ Burstein Collection/Corbis
As agriculture and cities developed in the neolithic period, so did goat-herding Photograph: PoodlesRock/Corbis
Art exploded in the eastern Mediterranean region, evolving from cave paintings and figurines to the more complex art of the first civilisations Photograph: Pierre Colombel/ Pierre Colombel/Corbis
But the goat has a darker side, too: its reputation for unruliness is reflected in this Edwardian watercolour, which focuses on a recalcitrant billy being manhandled on to Noah's Ark Photograph: Blue Lantern Studio/Corbis
In ancient Greek myth goats are associated with the lewd and the wild. There is the great god Pan with his goat legs; there are the fauns, followers of Bacchus, who in Roman times acquired goat legs of their own. Pan and the fauns are associated with misrule, drunkenness, "panic" and sex Photograph: Araldo de Luca/Araldo de Luca/Corbis
In 16th-century art half-human, half-goat monsters loiter about, satiating their bestial needs Photograph: Stapleton Collection/Corbis
And yet, to classically minded painters, a goat was also an appropriate creature to put in a portrait of a child as an emblem of the classical tradition itself Photograph: Christie's Images/Corbis
Starting as a symbol of lust, it becomes an emblem of the classical as such – the survivor of the pastoral Golden Age Photograph: The Gallery Collection/Corbis
Other artists are more severe. The classical association of goats with Pan made them fair game when Pan in turn transmogrified into the Christian image of Satan Photograph: Trolley Dodger/Corbis
So, in staring goats to death the psychic operatives tracked down by Jon Ronson may subliminally have believed they were staring down the devil Photograph: Cynthia Hart/ Cynthia Hart Designer/Corbis