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This article describes a beer created with yeast from fossilised remains of an ancient whale. From what I understand, the yeast imparts certain characteristics to the beer other than alcohol content. Would this affect its kashrut?

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Sounds just like gelatin. –  Double AA Jul 25 at 1:21
@DoubleAA, so a source for a machloket? –  Noach mi Frankfurt Jul 25 at 1:50
Serious question: If it's a fossil, is it still animal bones? Fun question: If a fossil has been dated to before brias ha'olam (לפ"ק) is can it be treif? –  Yitzchak Jul 25 at 16:08

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