Also: Why knowing is hard, and making sense of galaxies by turning them into cereals. (#511)
Also inside: 100 nice things, not even counting the 52 Lego bricks. (#511)
And some more recommendations to make you go «Huh, I never thought of it this way!» (#510)
The best of the best of the year, in the most unglamorous yet heartfelt ceremony of the year.