Bing Crosby might be dreaming of a White Christmas, but for a growing number of women, there’s only one colour to be seen in this festive season – and it’s not brown, despite its current popularity.

Elizabeth Reid Boyd does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Physicist Gabriel Lippmann won a Nobel prize in 1908 for his imaging technique, which was thought to faithfully capture scenes in colour. But the technique isn’t perfect. An analysis shows how ...