1. Ultraviolet Bath, Russia Photograph by Joe McNally Make-believe summer lasts for a minute or two as kindergarten children in sunless Lovozero bathe in ultraviolet light.  Brief exposure to UV radiation provides children with vitamin D, normally supplied by sunlight.  The “sunshine vitamin” strengthens young bones.

    Ultraviolet Bath, Russia

    Photograph by Joe McNally

    Make-believe summer lasts for a minute or two as kindergarten children in sunless Lovozero bathe in ultraviolet light.  Brief exposure to UV radiation provides children with vitamin D, normally supplied by sunlight.  The “sunshine vitamin” strengthens young bones.

     
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