Speculative Fact #159: Undeciphered Manuscripts

On the island of Crete, not far from the coast of modern Greece, was a successful but mysterious Bronze Age civilization known as the Minoan (after the mythical
King Minos). The Minoan civilization faded into the annals of time, but not before recording a number of texts, in an undecipherable writing system known as
Linear A.
    Why should there be so much interest in a dead, old language? Until the discovery of
The Rosetta Stone, Egyptian hieroglyphics were undecipherable. The resulting
study of Egyptian writings allowed us to translate Egyptian text and lead to
centuries of discoveries, enriching fields such as history and archaeology.
Though there are few surviving Mayan texts, the extant ones that have been
translated revealed sophisticated Mayan astronomical knowledge and a complex
calendar system.
    There are a number of other undeciphered writing systems, such as the
Indian Harrapan texts and the Mesoamerican Olmec. What knowledge do these
unknown writings possess? Tomes of scientific knowledge? Mythological epics?
Cooking recipes?

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