Glowing blue helps shield this tardigrade from harmful ultraviolet light

Fluorescence may allow water bears to survive in especially sunny regions

tardigrade glowing blue

A newly discovered tardigrade species protects itself from ultraviolet radiation with fluorescent pigments, which glow blue in this fluorescence micrograph, a new study finds.

H.R. Suma

When blasted with ultraviolet radiation, a newly discovered species of tardigrade protects itself by glowing blue.