There’s something oddly satisfying about watching chaos simmer — in a test tube or a kitchen. Lessons in Chemistry by Bonnie Garmus captures that messy alchemy of life, science, and womanhood with a spark that refuses to be contained. It’s the kind of book that arrives wearing a lab coat but hides a rebellious smile underneath — equal parts thought experiment and emotional explosion.   Bonnie Garmus, a debut author who was in her sixties when this novel made its grand entranc