Readers weigh in on mathematical animals and more
Your letters and comments on the December 10, 2017, issue of Science News
Critter calculations
Savvy for judging quantities is turning up across the animal kingdom — even among spiders and other invertebrates, Susan Milius reported in “Animal math” (SN: 12/10/16, p. 22).
Some astute readers pointed out that designing experiments to test animals’ quantitative skills takes great ingenuity, but sometimes human bias may skew the results.