April 7, 2009 10:56 am Male Biological Tick-Tock Studies show that men are about 40 percent responsible for the cases of infertility in couples in the United States. Local 2:08 Travis Kelce calls Taylor Swift his ‘significant other' as they attend Charity Gala Date Night 2:30 ‘Baby Reindeer': Inside Richard Gadd's Netflix phenomenon 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger