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Why Cats Sniff Each Other’s Butts

PLOS: DNA Science

The new cat study compared the DNA sequences of a gene commonly used in evolutionary investigations, to identify bacterial species residing in domestic feline anal glands. The investigators also identified the “volatile organic compounds” (VOCs) that the anal glands emit, thanks to those microbes.

DNA 97
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Nixing the Newborn Screening Advisory Committee Is Ill-Advised

PLOS: DNA Science

When their pediatrician saw the child walking on her tiptoes and unable to manage stairs, the next step was Children’s Hospital of Philadelphia. Baby’s First Test categorizes the entries: amino acid, endocrine, fatty acid oxidation, and hemoglobin disorders; lysosomal storage diseases; organic acid conditions; and others.