Is your sperm older than you are? How do you take a sperm selfie? And just what else is lurking in your semen? Here's a few fun facts about your sperm that might help you break the ice at your next holiday bash
Is your sperm older than you are? How do you take a sperm selfie? And just what else is lurking in your semen? Here's a few fun facts about your sperm that might help you break the ice at your next holiday bash