In Western cultures, we mark the beginning of romantic entanglement by touching lips. Few actions are as fraught with anxiety and symbolism as that first kiss—and it’s no exaggeration to say that some ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. “The meeting of ...
Kissing feels instinctive and intimate, yet scientists now argue it is a surprisingly recent and uneven addition to human behavior. Instead of a single romantic origin story, the evidence points to a ...
Intimate kissing (think lip-to-lip contact between two individuals in a sexual context) is typically the first partnered sexual behavior you experience. It's also the most common and the most frequent ...
Romantic kissing refers to the touching of lips between romantic partners — boyfriends, girlfriends, spouses, etc. Romantic kissing is rarely studied in sciences — aside from the very unromantic ...