Sydney (ANI): Actress Scarlett Johansson has admitted that she understands men, except for one aspect: "Why do they have nipples?" During an interview in Los Angeles, the stunning beauty asked the question innocently. She added: "That has always amazed me."

The babe, who turned 24 in November, has been linked romantically to a number of famous men, including actors Jared Leto and Josh Hartnett, New York Yankees baseball star Derek Jeter and Grammy Award-winning singer Justin Timberlake, reports the Sydney Morning Herald. However, it was in 2007 Johansson began dating heartthrob, Ryan Reynolds, and the relationship turned into a loving relationship. The love-crazed couple married at a secret wedding in May.