Essays by Nate Soares on how to act well and think clearly while trying to do good in the world. Posts cover motivation, conviction under uncertainty, discourse norms and guilt-free striving.

A daily newsletter of short stories and essays on career, personal resilience, history and technology, written with readers over 40 in mind. Includes a weekly 'Big Optimism' column and occasional interviews drawing on research and reporting.

Kaizen is a Spanish-language newsletter that accompanies a podcast and explores how people learn, persuade, and think about the world through history, psychology, and behavioral science. Issues combine storytelling, biographical portraits, and guest contributions that explain concepts such as ethical influence, pace layers, and deliberate learning habits.

A daily Spanish-language newsletter by entrepreneur Oso Trava offering business lessons, personal opinions, and tools for growing a company and one's life. Recent issues cover timing in business opportunities, overcoming personal limitations through an interview with entrepreneur José Arozarena, and weekly recommendations on productivity, books, restaurants, and shows.