Staff Sgt. Bobby Henline was injured in Iraq by a roadside bomb three years ago, and was burned over nearly half of his body. After years of grueling physical therapy, he now performs at open mic night at the Rivercity Comedy Club in San Antonio.
Katie Hayes for NPR
Our sense of time can be influenced by things like drinking coffee, or being on an adrenaline rush from an amusement park ride like this one at Dreamworld in Australia.
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