The cinetrix can't make this stuff up: Hollywood couple Katharine Hepburn and Spencer Tracy were the best on-screen lovers, according to a study by the Royal Society of Chemistry. Burton and Taylor were second, which suggests the scientists have a thing for volatility. And the only recent celluloid couple that charted were the leads in the Lethal Weapon franchise. [Ahem]
You can see the rest of the list, and which couples BBC listeners felt the chemists cruelly overlooked, here.