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Often called ‘living fossils’, the fern Alsophila spinulosa is found in the Bailadila hills of Dantewada district, Chhattisgarh. Image by Devendra Shukla

Ancient tree ferns face a new test in the mining hills

Ayushi Sharma 12 Dec 2025

Unlocking sustainable ways to manufacture locks

Zoya Ada Hussain 8 Apr 2024