An evaporating colloidal particle–laden droplet leaves behind a ring-like residue after drying. We routinely observe this ubiquitous phenomenon for dried coffee drops; thus, it is known as the "coffee ...

Researchers from the University of Campinas (Campinas, Brazil) and the Waters Research Center (Budapest, Hungary) introduced ...

Watch as layers of creamy milk and rich mocha build into the perfect iced coffee — topped with a delicate chocolate sprinkle. This coffee ASMR moment captures soothing textures, soft sounds, and ...