Wire report
‘This is dangerous’: slime moulds and the bitter debate over the nature of intelligence
Scientists are battling over whether supposedly simple organisms should be considered ‘intelligent’. The outcome could reshape our understanding of the natural world – and our own place within it Forty years ago, as an undergraduate in Hokkaido, Toshiyuki Nakagaki came upon a lemon-yellow stain in a petri dish. That encounter turned him into a doyen of slime mould research – and fed a storm of biological and philosophical debate about the meanings of life and intelligence that persists to this day. Before, no one would have called a slime mould “intelligent”; the popular adjective, in fact, was “simple”. “A simple mass of protoplasm,” one 1895 description ran; “among the most simple of organisms”, said another. And it was hard to argue otherwise. A slime mould can appear to be just a small cell, capable only of feeding and reproducing. Simple is as simple does. Of that first meeting, Nak
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Scientists are battling over whether supposedly simple organisms should be considered ‘intelligent’. The outcome could reshape our understanding of the natural world – and our own place within it Forty years ago, as an undergraduate in Hokkaido, Toshiyuki Nakagaki came upon a lemon-yellow stain in a petri dish. That encounter turned him into a doyen of slime mould research – and fed a storm of biological and philosophical debate about the meanings of life and intelligence that persists to this day. Before, no one would have called a slime mould “intelligent”; the popular adjective, in fact, was “simple”. “A simple mass of protoplasm,” one 1895 description ran; “among the most simple of organisms”, said another. And it was hard to argue otherwise. A slime mould can appear to be just a small cell, capable only of feeding and reproducing. Simple is as simple does. Of that first meeting, Nak
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What happened
According to The Guardian’s source item, ‘This is dangerous’: slime moulds and the bitter debate over the nature of intelligence, Scientists are battling over whether supposedly simple organisms should be considered ‘intelligent’. The outcome could reshape our understanding of the natural world – and our own place within it Forty years ago, as an undergraduate in Hokkaido, Toshiyuki Nakagaki came upon a lemon-yellow stain in a petri dish. That encounter turned him into a doyen of slime mould research – and fed a storm of biological and philosophical debate about the meanings of life and intelligence that persists to this day. Before, no one would have called a slime mould “intelligent”; the popular adjective, in fact, was “simple”. “A simple mass of protoplasm,” one 1895 description ran; “among the most simple of organisms”, said another. And it was hard to argue otherwise. A slime mould can appear to be just a small cell, capable only of feeding and reproducing. Simple is as simple does. Of that first meeting, Nak
Context
The development sits in VINI’s Global file for readers following international affairs, institutions, conflict, diplomacy, economics, and cross-border consequences. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-09-08T04:00:27+00:00.
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Source
Primary source: ‘This is dangerous’: slime moulds and the bitter debate over the nature of intelligence via The Guardian. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.
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- ‘This is dangerous’: slime moulds and the bitter debate over the nature of intelligenceThe Guardian - 2026-09-08T04:00:27+00:00
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