11.   Another comparison that might shed light on age differences will be to see which astronaut throws up most often.

12.   ----- Those who know both men say they were not friendly in high school because of the four-year age difference.

13.   Age difference matters significantly.

14.   Age differences are particularly acute now.

15.   But that age difference did not figure in the outcome.

16.   But wider age differences would be more compelling, he said.

17.   Despite the eight-year age difference, the two forged a friendship.

18.   Despite the gigantic age difference, Marek formed a strong bond with his teammates.

19.   Despite their age difference, the two women had much in common.