Life
Ancient bird with a movable beak rewrites the story of avian evolution
A skull bone from 67 million years ago reveals that ancestors of modern birds had jointed beaks, not immobile ones as biologists have long thought
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A skull bone from 67 million years ago reveals that ancestors of modern birds had jointed beaks, not immobile ones as biologists have long thought
A ‘gene drive’ that spreads through a population and makes females infertile has been demonstrated to work in a mammal for the first time