I'm not sure if it's 'research' of the sort you meant, but the Hobbit's fascination with their family history could count here. It's nothing huge and grand but it keeps them firmly rooted to the land and to their families. It also acts such that the 'facts' and the 'fantasy' of an event are both recalled. Details may be lost but Hobbits don't seem as ignorant and disbelieving of their legends than do peoples of other lands.
"the lack of 'discoverers' "
This idea has me intrigued though...not only in Tolkiens works (as is more likely to be discussed here) but more in our own world. I personally have a strong desire to learn as much as I possibly can but am daily faced with people who don't give two cents worth of thought to things which not only could but will effect them, and yet these people just shrug it off as being unimportant. Our unknown regions may not be actual regions as they were in Tolkien's books but they're equally as important.
Oh well, I would have more coherent thoughts but I'm too busy now to organize them.
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A signature always reveals a man's character - and sometimes even his name ~Evan Esar. Pan for Everyone!
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