LifeAncient predator was one of first vertebrates to grow fast while young The bones of 2-metre-long tetrapod Whatcheeria reveal that it had an early growth spurt – a trait that was thought to have evolved later News
LifeThree-eyed predator stalked the seas 500 million years agoStanleycaris hirpex, which lived in the Cambrian period, had two protruding eyes on the side of its head and a larger eye in the centre News