The patience and precision involved with drawing geometric patterns in sand is right up a robot’s alley, and demonstrating this is [rob dobson]’s SandBot, a robot that draws patterns thanks ...

As a mechanical fabric roller changed the background pattern from large pebbles to limestone ... of a cuttlefish as it flits over dappled sand, flexes its skin and disappears.

Have you seen those videos of those devices where a little marble draws patterns in sand, driven by a magnet? I've never ...

While moving females off the road in the Sand Hills, I was delighted to note that the plastron of the western subspecies has a bright orange background with an elaborate pattern of black and ...

Quail with the creamiest egg colors picked white or yellow sand. This strategy, called background matching ... up the egg's outline through its color pattern, an approach called disruptive ...