Life
DNA from 2 million years ago is the oldest ever recovered
DNA bound to mineral particles in ancient sediment reveals that north Greenland once had spruce forests populated by hares, reindeer and even mastodons
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DNA bound to mineral particles in ancient sediment reveals that north Greenland once had spruce forests populated by hares, reindeer and even mastodons
Some large, meat-eating dinosaurs such as Tyrannosaurus rex had keyhole-shaped eye sockets, and reconstructions suggest this helped them bite with greater force