PROVIDENCE, R.I. [Brown University] â For most people, tanning seems a simple proposition. A naturally light-skinned person lies in the sun for hours and ends up as bronzed as a Jersey Shore star. To scientists, the reaction of skin to ultraviolet light is more mysterious.
Depends on what you are asking... NHL games last for 3, 20-minute periods, with 2 15 minute intermissions between them. With stoppages in play, injuries, fights, and penalties, the average game take between 2.5 and 3 hours.If it goes into overtime, it is 5 minutes, followed by a shootout if a goal is not scored in those five minutes.epends on what you are asking... NHL games last for 3, 20-minute periods, with 2 15 minute intermissions between them. With stoppages in play, injuries, fights, and penalties, the average game take between 2.5 and 3 hours.
  Historically the average age of NHL players has moved roughly between 24 and 28 years depending on the player position.Typically, â¦ forwards have had a lower average age than the defense, and goalies have had the highest average age. Historically the average age of NHL players has moved roughly between 24 and 28 years depending on the player position.