Women have long mocked the male obsession with fast cars, querying how a machine can make you feel more of a man.
Now scientists have found proof that sports cars really can make men feel more macho.
Going for a spin in a million-rand Porsche sends testosterone soaring, a study found, but driving a clapped-out Toyota had the opposite effect.
The Canadian researchers said it seems that men, like peacocks fanning their tails, believe the conspicuous displays are the best way to grab a female's attention.
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2009 Comicon Photo Gallery
2009 Frankfurt Auto Show Photo Gallery
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