BUFFALO, N.Y. -- A new study illuminates how a gene called HAND2 may have a hand in the timing of human labor. "We don't know why humans go into labor. It's a basic aspect of human biology that we ...
Living in a murky lake around Mexico City, surrounded by aggressive and cannibalistic neighbors, the axolotl lives at constant risk of losing a limb to a neighbor's nibble. Fortunately, lost limbs ...
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