Movies like <em>The Shining</em> frighten most of us, but some brain-damaged people feel no fear when they watch a scary film. However, an unseen threat — air with a high level of carbon dioxide — produces a surprising result.
Credit Warner Bros. / Photofest
In these brain scans, amygdala damage can be seen in three patients (known as SM, AM and BG) with Urbach-Wiethe disease. See the dark spots within the areas circled in red. A healthy person is shown (left) for comparison.
Credit Corey Feinstein / Iowa Neurological Patient Registry, University of Iowa, Courtesy of Nature
Is there some kind of weird vocal vortex in Minnesota? The state turns out so many excellent choral groups — at the school, church and professional levels — that it can arguably be dubbed the choral center of the U.S.
The members of the male vocal ensemble called Cantus, who huddled around Bob Boilen's desk to sing for us, hail from that vortex — specifically Minneapolis-St. Paul.