In a new format for the “Free Associations” podcast, we split our usual podcast into two bite-sized morsels. In the first segment, Jess, Matt and guest host Salma discuss an article that examines the effect of nighttime ambient light on risk of Alzheimer’s disease.

In the second segment, Jess, Matt and Salma discuss what attending a predatory conference is like and Salma explains why we should (or maybe shouldn’t) care about a rehabilitated beaver.

Matt, Jess, and guest host Salma Abdalla discuss a study of early discontinuation of oxytocin during delivery, they try to predict the future of journals alongside a mass editorial board resignation, and Matt and Salma reveal their love for octopuses.

Matt, Jess, and guest host Allegra Gordon discuss a study using tweets to see if there have been changes in racial sentiment over time, they debate whether in-person or remote work is better for paradigm shifts, and Allegra tells us how birds are smarter than people who don’t want birds nesting on their roofs.

Matt, Jess, and guest host Jonathan Jay discuss a study using cell phone data to see if living in cities gives us better economic integration, they explore whether AI will be developing our hypotheses in the future, and Matt naps with penguins.

Matt, Jess, and guest host Amruta Nori-Sarma examine a study testing the effect of a workplace intervention for cardiometabolic health, they discuss mental health as a human right, and Amruta tells us about the power of Taylor Swift.

Matt, Jess, and guest host Salma Abdalla discuss a study testing the efficacy of a blood-based cancer screening tool, they debate the role of the workplace in mental health, and Salma sees if she can pronounce the word “bubbles” while sounding angry.

Matt, Jess, and first-time guest host Allegra Gordon discuss a study of the effect of taxes and warning labels on purchases of red meat, they lament the impact of disinformation campaigns, and Matt tells us how AI is going to take our grant writing jobs.

Matt, Jess, and guest host Jonathan Jay discuss a study on child opportunity in the built environment and physical fitness, they debate whether to get rid of discussion sections, and Jon invites us to consider the Golden Bachelor.

Matt, Jess, and guest host Amruta Nori-Sarma examine a study of the effect of proximity to wildfires on medical visits, they discuss housing as harm reduction, and Matt goes to Olive Garden.

Matt, Jess, and guest host Salma Abdalla examine a study on the use of hearing aids to prevent dementia, they discuss whether loneliness is a public health problem (and, as usual, descend into talking about COVID), and Salma tells us the difference between coffee and concrete.

Matt and Jess go solo and Jess hosts for the first time! They discuss a study of the effectiveness of a new meningitis vaccine, whether active shooter drills do anything more than scare kids, and debate the best movie candy.

We are taking a one-month break this summer. Please enjoy this "best of" episode celebrating Chris' contributions to the podcast.