This week we learn about attractive male faces, sex frequency, and organic, grass fed, hormone free, non-gmo beef.
- Listener feedback on Episode 8 math anxiety study:
- The happiest couples have sex about once per week, and having sex more frequently is not associated with greater happiness.
- Women are not attracted to male faces morphed to increase their Machiavellianism, narcissism, and psychopathy characteristics (which correlate to how masculine a face looks).
- Facing a psychopath: Detecting the dark triad from emotionally-neutral faces, using prototypes from the Personality Faceaurus
- Machiavelli (Google Image Search)
- Machiavelli statue
- Gaston (Beauty and the Beast)

Jaime Devine
Jaime K Devine is an interdisciplinary neuroscientist whose research focuses on how behavior and biology, specifically sleep and health, interact. She has a PhD in Neuroscience from Brandeis University and a Certificate in Sleep Medicine from Harvard Medical School. She is also a dedicated science communicator, runner, working mother and nerd.

Joshua Jackson
Joshua Conrad Jackson is a PhD student at the University of North Carolina at Chapel Hill. He studies how culture changes over time, and the impact of cultural change on human cognition and behavior. Outside of research, he enjoys traveling and long-distance running.

Ian Mahar
Ian is a postdoctoral researcher at Boston University, studying neuropsychiatric features of chronic traumatic encephalopathy and other neurodegenerative conditions. He did his PhD in Neuroscience at McGill University in Montreal, doing neuropsychiatry research in the McGill Group for Suicide Studies at the Douglas Mental Health University Institute. He also does science writing and outreach, and his primary interests for all three are how the brain regulates emotions, and what happens when this regulation goes awry.