#576: A Treasure Trove of American Philosophy

#577: An FBI Agent's 6 Signs for Sizing People Up

#578: Figuring Out If You Should Change Careers (And How to Do It)

#579: Jack London's Literary Code

#580: Why People Do (Or Don't) Listen to You

#581: The Tiny Habits That Change Everything

#582: Essential Lessons From Great Wartime Leaders

#583: How to Stay Mentally Sharp and Fulfilled as You Age

#584: How to Avoid Falling in Love With the Wrong Person

#585: Inflammation, Saunas, and the New Science of Depression