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Animal Behavior

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Major Review Finds Same-Sex Sexual Behavior Common in Primates, Linked to Social and Environmental Pressures

Researchers caution that the patterns suggest social benefits without proving a fitness advantage.

Sleep Repairs Neuronal DNA in Jellyfish and Sea Anemones, Study Finds

Mirasaura Grauvogeli Shows Feather-Like Crest Evolved Separately in Triassic Reptiles

Brain Switch in Deer Mice Shows How Evolution Shapes Flee-or-Freeze Responses

Wild Nematodes Self-Assemble into Wriggling Superorganism Towers for Dispersal