The human body holds a host of extremes. These six facts explore those extremes and illuminate the importance of the tiniest bones and the most vital organs.
Even though left-handers are few and far between, some of society's most notable figures have written, thrown a ball, or played an instrument with their left hand.
Much like their books, library buildings can be wondrous creations, noteworthy for their quirky designs or the innovative methods they use to inspire their communities to read. Take a journey to six of the most unusual libraries in the world.