There's a whole world of insects that most of us never see. All around us there are insect dramas playing out at the microscopic level - with gruesome violence, strange copulations and amazing feats of social organization. UC Riverside biologist Marlene Zuk writes a lot about insect sex in her new book, "Sex on Six Legs: Lessons on Life, Love and Language from the Insect World." From poisonous semen and sperm that is 20 times longer than the length of the insect to homosexual bugs, Zuk takes us into this unfamiliar world so close at hand. What can bugs teach us about our humanity?