Uncategorized

  1. Paleontology

    Bone Hunt

    Science News reporter Sid Perkins recounts the trials and tribulations of digging for dinosaurs in central Montana.

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  2. 19722

    There is a serious limitation to the “print clock” technique described in this article that can probably be addressed. The method proposed holds good only for works with small print runs (such as expensive maps), where the damage to the printing surface in successive printings is minor in comparison to deterioration over time. Damage to […]

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  3. Humans

    Mutant Maps

    Struck by an analogy between genetic mutations and flaws in antique printed documents, a biologist has devised a method to analyze such flaws to pinpoint publication dates of rare, undated documents.