A mixture of two types of pigment-producing cells undergoes diffusiophoretic transport to self-assemble into a hexagonal pattern. Credit: Siamak Mirfendereski and Ankur Gupta/CU Boulder A zebra’s ...
There are moments when natural scenes feel unsettling because they look designed rather than formed. Hexagonal rock columns, evenly spaced sand ripples, perfectly repeating cloud grids, and ...
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