Life in evolution's fast lane

Most living things have a suite of genes dedicated to repairing their DNA, limiting the rate at which their genomes change through time. But scientists at Vanderbilt and University of Wisconsin-Madison have discovered an ...

Screw-shaped bird sperm swim faster—but it comes at a cost

A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...

Termite queens' efficient antioxidant system may enable long life

Termite queens have an efficient antioxidant system which may underpin their ability to live longer than non-reproductive termites, according to a study published January 11, 2017 in the open-access journal PLOS ONE by Eisuke ...

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