Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

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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 ...

From tiger stripes to leopard spots, the animal world is full of distinctive and intricate patterns. In a new study, CU Boulder scientists refined their previous theory of how animal patterns form and ...