EDIT: Reuploaded after fixing audio issues from the original video. Nature tries to warn us before things go sideways. The problem is, most of us aren't paying attention anymore. Cows start acting ...

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 ...