Assistant Professor of Cognitive Neuroscience Dean Mobbs and other researchers have discovered the presence of two "fear" circuits in the brain. One circuit deals with immediate threats without using conscious thought. The other circuit deals with more distant threats in a cognitive, strategic fashion.
Sixty years ago this month, the Rev. Martin Luther King Jr. visited Caltech as part of the Caltech Y's Leaders of America program, urging students to "rise above the narrow confines of individual concerns to the broad concerns of all humanity."