Readers ask about glowing bat toes and a rare particle decay

Toe-tally mysterious

Hairs on the toes of Mexican free-tailed bats light up under ultraviolet light, but the reason is unknown, Jason Bittel reported in “Mexican free-tailed bats’ toes glow in the dark” (SN: 8/28/24).

Reader Eleanor Peterson asked if the glowing toes might attract prey.