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A fossil from 385 million years ago named Qikiqtania wakei shows that a descendant of early land animals lost its adaptations for land and became a more efficient swimmer
Analysis of inner ear canals from hundreds of modern and fossil animals shows that warm-bloodedness appeared abruptly in the late Triassic
It was thought that spongy bone in woodpeckers’ heads cushioned their brains from hard knocks, but in fact their skulls are stiff like a hammer
Stanleycaris hirpex, which lived in the Cambrian period, had two protruding eyes on the side of its head and a larger eye in the centre
Snapping shrimps seem immune to the shock waves their claws produce to kill or stun other animals – and it is all thanks to their head gear