Because love is one thing no one can explainDr Steven J. Fisher is a young and brilliant biochemist (special subject: the female orgasm). He's invented a Viagra-like pill for women - now he just needs his results to be perfect. Annie is an orgasmically-challenged arts student (special subject: Victorian semicolons) and for some reason his miracle treatment isn't working. As scientist and subject bond over Bunsen Burner-lit meals, Dr Fisher is surprised to find his feelings taking a most unscientifc turn...Fisher usually has answers to everything, from the chemical composition of tears to the evolutionary reasons for kissing but now must ask himself the most challenging question of his career: what if there are some things science can't explain?