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  1. 19404

    What an amazing time resolution for 34 million years ago! Could the temperature changes recorded reflect seasonal eel migration, rather than changes in the Gulf of Mexico? Are the results consistent between otoliths found in close association? Does this offer a method of more precise dating similar to the use of tree rings? Gordon C. […]

    By Science News
  2. Paleontology

    Listening to fish for extinction clues

    Tiny fossils from fish that survived worldwide extinctions about 34 million years ago may reveal that cooler winters caused the die-off.

    By Sid Perkins
  3. Health & Medicine

    Fetal cells pop up in mom’s thyroid

    A woman's thyroid gland contains male cells, suggesting that cells from her son passed into her when he was a fetus.