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BoingBoing reader Uncle Horn Head says, "I heard on NPR this afternoon that in the coming days it will be possible to see the International Space Station with the naked eye. NASA has posted a massive list of world cities with optimal viewing times."
That spot was a chat between Ira Flatow and Alex Chadwick on the NPR program "Day to Day," to which I'm a contributing tech correspondent. Here's the audio for that segment: Link
Reader Philip Downey adds, "The site heavens-above.com tells you when ANY satellite is going over anywhere in the world. One neat feature is going back a day in time to figure out what you saw last night."