Two new nonfiction books blend research and memoir to explore ideas of family, language and culture. Prisca Dorcas Mojica Rodríguez's Tías and Primas draws on her experience being raised in a large Nicaraguan family, one that she describes as messier than the typical nuclear model. Her relationships with her mother, cousins, and aunts shaped her view of the world and the female archetypes that exist within Latin American culture. In today's episode, Rodríguez speaks with NPR's A Martínez about how nuance is lost in Latina stereotypes, the cultural significance of ghost encounters, and practicing critique from a place of love. Then, Julie Sedivy is a linguistics and psychology professor who started speaking five languages before first grade. Growing up in diverse linguistic environments inspired her memoir Linguaphile, which explores the relationship between language, emotion and life. In today's episode, she speaks with NPR's Eric Westervelt about the way linguistic divisions reflect our social reality and the surprising strengths of the aging brain.

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