Long-form essays on psychedelic therapy, integration, and the psychology of change, weighing scientific evidence against cultural claims. Readers get careful, candid discussion of dosing, difficult experiences, and how people actually shift their self-understanding.

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.

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.

Shane Snow's weekly newsletter explores leadership, teamwork and intellectual humility, mixing research summaries from his own studies with excerpts from his book Dream Teams. Issues combine personal anecdotes, history and practical ideas about changing one's mind and honesty in the workplace.