From penile spines to the ideal size, here are 7 wild facts about the male sex organ.
When given the option, many men opt for condoms in a wide array of sizes, suggesting that condoms could be offered in more sizes than they currently are.
Oxytocin improves skills in socially inept, but not in people who already do well in social situations.
Who knew being in a relationship could help you live longer? Check out 5 ways relationships can better your health.
People's pupils react when they see other people they find attractive. But can this reaction reveal a person's sexuality?
A new study suggests that circumcised men have less sensitive penises, but experts are criticizing the study as biased and flawed.
Valentine's Day has its roots in ancient Rome. Sweetheart cards, conversation hearts, and flowers also have dated origins. Life's Little Mysteries explains the holiday's ancient roots.