Evergreens have long served as symbols of the perseverance of life during the bleakness of winter, and the promise of the sun’s return.
Smelling salts are found in Victorian novels to rouse fainting women and on the sports field to possibly help athletes. But how do they work?
Auroras paint the skies in eerie hues of green and blue in these stunning images of the northern lights.
An analysis into finger-painted skulls found in Peru, some from individuals who died up to a millennium ago, reveals that people painted their ancestors' skeletal remains.