Earth is often known as the ‘blue planet’, and blue is used to represent the air we breathe and the water we drink. Blue is the colour of loyalty, holiness and virtue, but it’s also linked to deadly diseases and depression. And blue is the colour of uniforms, adopted by both the Navy and generations of denim-clad teenagers.
About the contributors
Lalita Kaplish
(she/her)
Lalita is a digital content editor at Wellcome Collection with particular interests in the history of science and medicine and discovering hidden stories in our collections.