# Data Analysis #Cold Surgery # # Cold Surgery where body temperature is in degrees F, brain activity is a percent of normal and safe operating time is in minutes. # # Source: USA Today, August 1, 2001, page 8Dâ "Surgery's Chilling Future Will Put Fragile Lives on Ice" by Dan Vergano. # His data source was Jock McCullough, et. al. Annals of Thoracic Surgery # Cold Surgery d d d Body Temperature Brain Activity Safe Operating Time 50 11 45 59 16 31 68 24 21 77 37 14 86 52 9 98.6 100 5