Plants often grow spines, thorns and prickles to defend against animals that feed on them, but why this happens in some places more than others has remained a mystery. Research in New Phytologist shows that plant spininess is shaped by browsing mammals, both past and present, together with envir...

Source: [Phys.org](https://phys.org/news/2026-07-factors-affect-spininess.html)

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