
en.wikipedia.org/wiki/Ian_Huntley
you get stuck in a loop about the Latin language.
( , Sun 5 Jun 2011, 17:47, Reply)

I got
Soham - Town - Human Settlement - Archaeology - Human - Extant_Taxon - Biology - Natural Science - Science - Knowledge - Fact - Information - Sequence (as above on to Philosophy).
( , Sun 5 Jun 2011, 17:59, Reply)

Looking back I clicked on Latin, which was in the middle of a parenthesised sentence, instead of living (extant_taxon).
( , Sun 5 Jun 2011, 18:31, Reply)

I can imagine a lot of exceptions to be water tight.
( , Sun 5 Jun 2011, 18:19, Reply)