Reverse direction and it’s rough like sandpaper. Viewed under a microscope, shark skin is composed of ribbed, dragonesque scales layered over each other like shingles on a roof.

The bearish shark harmonic adds structure to the current market setup. This specific pattern typically forms at the end of extended corrective moves and often precedes short-term pullbacks. Bitcoin ...

A shark's skin is made up of thousands of armor-like scales, known as denticles. Now, humans are copying that pattern to fight the spread of bacteria.