3D models of the jaw and associated middle ear bones of the Triassic mammal ancestor "Thrinaxodon" show that the switch to mammal-like hearing with an eardrum evolved much earlier than previously ...
On discs: Library of Natural Socuds, Cornell Laboratory of Ornithology, in association with Conservation International. On cover of accompanying pamphlet: Sounds of ...
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You are looking at one of the most important sensory shifts in mammal history: the rise of sensitive hearing. Modern mammals rely on a middle ear with an eardrum and tiny bones that detect faint ...