WOMBATS: SQUARE POO AND GIANT FOSSIL COUSINS

The wombat looks like a small bear who has decided to become a bulldozer. It digs, grazes and produces something few of us would expect from a mammal: cube-shaped poo.Yes, cubes. Nature has apparently found a way to manufacture building blocks from grass.Researchers investigating bare-nosed wombats discovered that the corners form inside the intestine. Differences in the stiffness of the

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