Strange reaction to knowledge, which this isn't (8,7)

I believe the answer is:

creation science

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'this isn't' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'strange reaction to knowledge' is the wordplay.
'strange' is an anagram indicator.
'to knowledge' becomes 'science' (science is a kind of knowledge).
'reaction' anagrammed gives 'creation'.
'creation'+'science'='CREATION SCIENCE'

'which' acts as a link.

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I've seen this clue in The Guardian.

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