Because we love a handsome man with a brainy head on his (very muscular) shoulders, we had to tell you about the maths teacher with a secret second job. When Professor Pietro Boselli isn't teaching maths lectures at the University College London, he's working as a successful male model. No biggie.

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One of his students made the discovery and posted the proof on his Facebook page. More than a year later, the evidence has gone viral through social media. Pietro (see, even his name is sexy) is represented by Models1, and according to his Instagram, has a PhD in engineering. Sigh.

He also adds that he considers himself "addicted to training", though we've scanned his topless shots very carefully and we can't see any proof. Ahem.

But really, do his students get all that much work done when he's fronting the class? We're keen to test it out. Watch out for our application, UCL.