Human eye colour is one of the most striking and memorable features, ranging from deep brown to icy blue, rare green, and shifting hazel tones. Behind this diversity lies a fascinating interplay of ...

You're introduced to someone and your attention catches on their eyes. They might be a rich, earthy brown, a pale blue, or the rare green that shifts with every flicker of light. Eyes have a way of ...

Davinia Beaver 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 beyond ...