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Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, origin, evolution, distribution, and taxonomy. Use this tag for general biology questions, but also use more specific life science tags to accompany this one if applicable.
15
votes
1
answer
24k
views
Do ultrasonic cat repellents work?
Amazon sells roughly 355 different cat repellent products but judging by the consumer ratings, most of them don't actually work -- and even those that do, could be correlation rather than causation.
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