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Cactus spine shapes determine how they stab victims
Science News Scientists have unraveled some of the mechanical mysteries behind the pokes and prods of cacti. Like porcupine quills, the barbed spines of some cactus species easily puncture their prey but are difficult to remove. Smooth spines, however, puncture ... |
Tuesday, 27 November 2018
Cactus spine shapes determine how they stab victims - Science News
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