Recent discoveries in the field of epigenetics, the study of inheritance of traits that occur without changing the DNA sequence, have shown that chronological age in mammals correlates with epigenetic ...

Wildlife conservation is a race against time — too often, a losing one. Typically, by the time scientists detect signs of species decline, populations have already collapsed. Genetic diversity is ...

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The federal government could run out of cash as soon as this summer. As lawmakers return Monday from recess, they are staring down a fast-approaching deadline to address the debt limit or risk an ...