Ethical eating. Cognition

Calvin Trillin tells a story of taking his out-of-town friends and relatives to New York’s China Town to play tic tac toe against a chicken. Frequently, the chicken wins and Trillin reports that the vanquished foes often defend themselves by saying, “But the chicken got to go first” or that “the chicken plays every day.” I love that story, which hides behind a paywall here.

Lori Marino, in Animal Cognition, brings some science to the issue of just how smart that chicken might have been in a meta-analysis of chicken cognitive research. Spoiler alert, if you love fried chicken and knowing that pigs are intelligent interferes with your love...