Readers mesmerized by ‘Strange visions’

Oddball eyes

The visual systems of sea urchins, mantis shrimp and other creatures are broadening scientists’ understanding of what qualifies as an eye, Susan Milius reported in “Strange visions” (SN: 5/28/16, p. 22).

“The article … may be the best written and most fascinating article I have read in Science News, covering several decades,” wrote Patrick Roache.