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We’ve discovered a new rule of nature. It explains why animals’ pointy parts grow the way they do – The Conversation AU

Teeth, horns, claws, beaks, shells and even plant prickles — the power cascade rule can be observed far and wide throughout nature, much like the famous golden…

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Discoveries of new overarching rules or laws in nature are very rare.
Surprisingly, my colleagues and I have found a new rule of biological growth that explains unexpected similarities in sharp structures found across the tree of life in teeth, horns, claws, beaks, animal shells, and even the thorns and prickles of plants.
The discovery could help us look forward in evolution to predict how animals, including humans, and their many parts are likely to evolve. Our findings are published today in…

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