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Oct. 26, 2023 Noctilionoid bat species evolved wildly different faces as they adapted to exploit diverse food sources -- including insects, fruit, nectar, blood and fish. New research shows that those adaptations ...
July 15, 2021 Two fossil teeth from a distant relative of North American gophers have scientists rethinking how some mammals reached the Caribbean ...
Dec. 13, 2022 In a global study, researchers have identified that most reservoirs of rodent-borne diseases tend to live exclusively or occasionally in or near human dwellings, show large fluctuations in their ...
Nov. 28, 2022 Researchers have discovered and characterized a DNA sequence found in jawed vertebrates, such as sharks and humans, but absent in jawless vertebrates, such as lampreys. This DNA is important for the ...
Apr. 12, 2021 Squirrels and other tree-dwelling rodents evolved to have bigger brains than their burrowing cousins, a study ...
June 27, 2023 The lower jaws of lizards, birds, fish and even dinosaurs are comprised of multiple bones per side. Yet mammals diverged from all other vertebrates and settled on just one bone, repurposing the extra ...
Nov. 18, 2021 Some ancestral rodents likely had repeated infections with SARS-like coronaviruses, leading them to acquire tolerance or resistance to the pathogens, according to new research. This raises the ...
June 8, 2021 A new study shows that pharyngeal jaws enable at least one species of moray eel to feed on ...
Oct. 27, 2021 Researchers trace the first tusks back to ancient mammal relatives that lived before the dinosaurs and shed light on the evolution of mammalian tusks by first defining what makes a tusk a ...
June 28, 2022 Scientists reveal clues about the evolutionary origin of jaws by studying the embryonic development of zebrafish -- an approach known as 'evo-devo.' Using imaging and cell tracing ...