Today’s Solutions: December 20, 2025

Rebekka is so tiny that, even on her tiptoes, arms aloft, she cannot reach. So her teacher lifts her up to the unvarnished wooden monkey bar. “One, two, three,” her classmates count. She hangs on, determinedly. When she reaches 10, she jumps to the ground. “I am strong,” she shouts proudly. It’s an ordinary morning for this single-sex class of three-year-olds at Laufásborg nursery school in Reykjavik. No dolls or cup-cake decorating on the lesson…

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