nature vs nurture
Not everyone thinks making out is great. In fact, some think it's pretty gross. We asked researchers how some humans came to engage in this objectively weird yet often satisfying behavior.
Growing up, I always wanted sisters and brothers. But I had no idea how many I'd find when I signed up for the Donor Sibling Registry.
Despite sharing the same DNA and usually the same upbringing, identical twins can diverge in sexuality. We asked two Melbourne twins to discuss what that difference meant for them.
A new study may help erode the notion that sexual orientation is a choice—if the homophobic fanatics around the world take it seriously, that is.