Emotions

Do Couples Look Alike?

Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.

Couples who have lived together for a long enough time may start to look similar. Higher resemblance was also associated with greater reported marital happiness. One explanation of this is based on a theory of emotional efference, which suggests that emotional processes produce vascular changes. These changes are partly regulated by facial musculature.

Share the knowledge!

Key Facts In This Video

  1. Assortative mating refers to how people tend to couple with individuals who are similar in genetics, behavior, and appearance. 00:42

  2. People born in the same geographical area are more likely to marry and share genetic markers. 01:11

  3. Education level is at least partially tied to genetic makeup. 01:33

If you liked this you'll love our podcast! Check it out on iTunes, Stitcher, Google Play Music, SoundCloud, search 'curiosity' on your favorite podcast app or add the RSS Feed URL.

Advertisement