costly signaling theory
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Researchers Find Ancient Bodies Buried in Awkward Position, Indicating the Possibility of Violent Feuds in Southwest US
Ancient graves unearthed in the southwestern United States and northwestern Mexico indicate that the regions were places of violent feuds, says James Watson, a bioarchaeologist at the University of Arizona.
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Roundworms with Short Memories 'Stop Forgetting' When Frozen or Given Lithium [Study]
