For over a century, people have gladly filed themselves into two camps: left-brained and right-brained. If your left brain is dominant, you’re logical and methodical. If your right brain has control of the wheel, you’re creative, emotional and artsy. Certain parts of the brain do control certain things. Language, for instance, is controlled by the left side. It was this discovery, made by neuroscientists Paul Broca and Carl Wernicke in the 19th century, that led to a wider Victorian obsession with “dual-brain theory.” Robert Louis Stevenson played upon it in his novella Strange Case of Dr. Jekyll and Mr. Hyde, in which the protagonists—one good, one evil—turn out to be the two personalities of one man. This story is from Kinfolk Issue Thirty-six Buy Now Related Stories Arts & Culture Issue 19 Going Incognito We all secretly wonder what mischief we’d make if invisible: When our identity is hidden, everything seems possible. Arts & Culture Issue 19 The Best Policy Sometimes we talk to each other without feeling heard. Honesty—a most intimate interaction—can be just as thrilling as its more devious inverse. Arts & Culture Issue 19 A Sense of Suspense With unhinged imaginations and mountains of cliff-hangers, the filmmakers behind the sci-fi podcast Limetown have all the makings of a scary story. Arts & Culture Issue 19 Like Clockwork In this new column about time, we learn how slipping off our watches makes us feel like deadline-damning renegades. Arts & Culture Music Issue 19 On a Grander Scale Malaysian singer-songwriter Yuna now may live on the opposite side of the globe, but she’s determined to evolve while staying true to her roots. Arts & Culture Issue 19 Neighborhood: Fire Stations The firefighting profession has evolved over time from Ancient Rome’s rudimentary bucket brigades to today’s sleek life-saving departments.