traffic up 101% in the last week of July 2005 skyrocketed 101% during the week ending July 31, according to Nielsen//NetRatings, as Web surfers logged on for information on the first shuttle mission in two years. 17% of the site’s 2.5 mln unique home and work visitors visited NASA’s Human Space Flight page for daily updates of the Discovery mission, information on the International Space Station and other space news.