The more muscles, the more attractive - is that true? Does sex get better with age? How powerful can compliments be? Can researchers measure female or male arousal? Love, relationships, sex - does sober science fit with the romance and magic of love? It fits very well! Quarks explains why science is making the topic of love even more exciting. 00:00 Introduction 01:20 A look at attractiveness research We test which figures men and women find attractive. 06:16 About beauty, superficiality and the search for a partner According to science, a person's attractiveness can be determined based on beauty features. This not only affects friendships or grades, but also the search for love. Quarks examines how men and women go about looking for a partner. 10:34 Love and sex in old age Science shows that an intact sex life is important even in old age. However, older couples exercise their sexuality far too rarely. Why is that? With composure, tenderness and a broader understanding of sexuality, love remains exciting even in old age. 17:12 The power of compliments What makes love strong? According to science, compliments are an important part of a stable relationship. We investigate how compliments affect relationships and how best to phrase compliments. 26:44 What is it like to be intersex? Intersexuality means that you cannot be clearly assigned to the male or female gender. Quarks tells Lynn's story. 32:28 What science says about gender stereotypes Boys play with cars, girls prefer dolls. An experiment shows how much we think in gender categories and how this influences our behavior. 38:35 Science of sexual arousal Researchers in Portugal are trying to measure female and male sexual arousal. In doing so, they discovered surprising differences between genital measurements and the subjective arousal of the test subjects. Author: Katrin Krieft, Reinhart Brüning, Sigrid Lauff, Krischan Dietmeier, Jakob Kneser, Anke Rau, Ulrich Grünewald Source image thumbnail: [hailey_copter]/stock.adobe.com --- Thanks for watching! Did you like the video? Then subscribe now to the only official Quarks channel on YouTube: https://www.youtube.com/Quarks?sub_co... Also visit: https://www.quarks.de #Quarks on Instagram: / quarks.de / beautyquarks Quarks on Twitter: / quarkswdr Quarks on Facebook: / quarks.de Here you can find the clip in the WDR media library: https://www.ardmediathek.de/video/qua... #Quarks #Love #Science