The black dots on a car windscreen are part of a ceramic black paint layer baked into the glass during manufacturing - and ...

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 ...

Without them, the contrast between the black band and clear glass would be too noticeable, whereas the dot pattern creates a gradual fade, making the transition smoother and easier on the eyes.

While the basic eyes of most snails look like small black dots, conch snails known as strombids have eyes that are up to 10 times bigger than any of their relatives. These mobile, stalked eyes can ...

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 ...