Carlos Barragán's mother fell victim to a fraudster she met on a dating app. So he set off to find the truth behind the fake persona. The Spanish journalist shares his journey to Lagos, Nigeria, and what he learned from the men perpetrating these scams about loneliness and lack on both sides of the equation.

Plus: She's been studying ancient history for more than half a century... and it still gives her "tingles". Renowned classicist Mary Beard reflects on how worlds both familiar and alien still have the power to shock today.

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