Three-eyed predator stalked the seas 500 million years ago
8 July 2022
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
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Premium
Infertility in some men may be caused by X chromosome mutations
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An international study has identified more than 50 genes on the X chromosome in which mutations may cause poor sperm production
Snapping shrimps have helmets to ward off shock waves from their claws
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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
