French scientists have been watching paint drops dry and monitoring the resulting patterns in hopes of finding ways to better control the drying process to reduce cracks and other imperfections. They ...

A coffee spill leaves behind a dark stain around the puddle’s edge when it dries. But as drops of paint dry, some look like “fried eggs,” with “yolks” of color surrounded by pristine white halos, ...

As paint drops dry, they can look like a “fried egg” (left image, scale bar is one millimeter) or develop a more even pigment distribution (right image). A coffee spill leaves behind a dark stain ...