Footnotes

In which authors reflect on a person, study, or curiosity — whether obscure, well-known, recent, or historical — that sparked or challenged their thinking, or never quite made it into their work.

Science & Tech	What the Crabapples Are Telling Us In Ohio, a familiar spring ritual is arriving earlier — and with it, quiet signs of a changing climate. Theresa Crimmins |
Culture	The 1960s Art School Experiment That Redefined Creativity A groundbreaking study revealed that the most compelling artists seek to find problems, not solve them. Keith Sawyer |