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The Voynich manuscript is a mysterious illustrated book written in an indecipherable text. It is thought to have been written between 1450 and 1520. The author, script and language of the manuscript remain unknown. . . Read More: http://en.wikipedia.org/wiki/Voynich_Manuscript
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- Written by: Rod Boyle
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Seashells, like people, exhibit right and left symmetries. (In people this is obvious as right and left handedness).
Before the great Permian extinction 90% of Nautalis fossils were "left handed". Now 90% of seashells exhibit a "right handed" symmetry, certain shells with a left based symmetry are highly prized by collectors. Why did this change? And what survival value, if any, does this provide?