The purpose of the black dots on the window edges is to thwart a substantial temperature difference in a tiny window segment, ...

It looks like a giant eye. The pair of black dots on the head of the flatworm Dugesia dorotocephala represent some of the simplest true eyes: unembellished pits that can sense the direction of ...

When Seamus Heaney, the Irish poet and Nobel laureate, died in 2013, his last words were sent by text message. Minutes before ...

Difficult, but not impossible. Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and ...

Following is a transcript of your video. Why do football players wear black stripes under their eyes? It's a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest.