There is a close link between smells and memories (Credit: Kids.frontiers.org/ CC-By-SA-2.0)

We have all experienced the strong link between smell and memory. A whiff of chlorine probably reminds you of summer pool parties, while the scent of flowers may bring back memories of your grandma's garden. Now, researchers from the University of California, Irvine (UCI) have found that breathing in pleasant aromas could even help improve memory and learning.