Crushing ice for a frozen cocktail? Reach for a full-sized blender. Need a quick smoothie for your morning commute? Break out your personal-sized blender, then hit the road with its on-the-go jar. But ...

Everything around us tells a story, from the scuffs left on a house wall when someone was moving in, to the worn-away sections on famous statues that everyone touches as they walk past. Painting an ...