Answer: 390 to 600 milliseconds
Explanation: MIT researchers have found an answer in a new study that shows humans need about 390 to 600 milliseconds to detect and react to road hazards, given only a single glance at the road, with younger drivers detecting hazards nearly twice as fast as older drivers.
Often times it's a comma.
Or brackets.
It is true that Uncle Tom's Cabin was translated into thirty-seven languages.