Let's say you're a dude. And you and your wife are having trouble getting pregnant. And it's your fault: Your sperm are "low quality." Would you ask your dad for help? Because that's what's happening in London right now. A 72-year-old man will father his own grandchild. The anonymous man is donating his sperm so that his son and daughter-in-law can have a baby. The couple's child will be a close genetic match — as well as the father's half-brother. Uh, awkward? [Daily Mail]