aves in your brain make smells stick to your memories and inner maps: When I was a child I used to sit in my grandfather’s workshop, playing with wood shavings. Freshly shaven wood has a distinct smell of childhood happiness, and whenever I get a whiff of that scent my brain immediately conjures up images of my grandfather at his working bench, the heat from the fireplace and the dog next to it.

Read More: How smells stick to your memories: Your nose can be a pathfinder — ScienceDaily.