Somewhere in the deep water off Dominica, a sperm whale surfaces after a foraging dive and fires off a rapid burst of clicks.

Tessellation is when shapes fit together in a pattern with no gaps or overlaps. These squares make a tessellating pattern. You can make a tessellating pattern from just one type of shape or a number ...

Abstract: In this paper, temporal, spectral, and structural characteristics of Robin songs and syllables are studied. Syllables in Robin songs are clustered by comparing a distance measure defined as ...

A Piercing Pattern occurs when a bullish candle on Day 2 closes above the middle of Day 1’s bearish candle, as shown in Chart 1 below: Additionally, the price gaps down on Day 2 only for the gap to be ...