Coastal dunes are a ridge, or a series of ridges, that form at the rear of a beach and differ from most other constructional coastal landforms in that they are formed by the movement of air ...

Common seashells found on a morning stroll in Sanya offer a beautiful example of handedness – or parity violation.

Scientists have long questioned whether the ridges might represent the remnants ... no shortage of sand — a proper, vacation-style beach.” What’s more, it’s possible the Martian ...

In 1963, Fred Vine, Drummond Matthews, and others found that the crust surrounding the midocean ridges showed alternating bands -- each band magnetized with a polarity opposite the surrounding bands.