Food policy expert and nutritionist Marion Nestle's 2006 book, ‘What to Eat,’ became a consumer bible of sorts when it came out, guiding readers through the supermarket while exposing how industry marketing and policy steer our food choices. Now, two decades later, she's back with ‘What to Eat Now,’ a revised field guide for the supermarket of 2025.

Also, film critic Justin Chang reviews the new film Hamnet.

Science writer Mary Roach’s latest book, ‘Replaceable You,’ is about innovations in transplant medicine thanks to promising research and breakthroughs. She tells us about organs transplanted from pigs and attempts to replace bald spots on the scalp with hair from other parts of our bodies.

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