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Male Ruffs' 'Super Enzyme' Challenges Hormone-Aggression Beliefs

1/26/2025

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Summary

Story summary

A groundbreaking discovery by researchers at the Max Planck Institute reveals that male ruffs possess a "super enzyme" that swiftly dismantles testosterone, upending conventional beliefs about hormones and aggression. This unique mechanism enables less aggressive morphs, known as Satellites and Faeders, to thrive in mating, showcasing the profound influence of genetics on behavior.

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Story summary

A groundbreaking discovery by researchers at the Max Planck Institute reveals that male ruffs possess a "super enzyme" that swiftly dismantles testosterone, upending conventional beliefs about hormones and aggression. This unique mechanism enables less aggressive morphs, known as Satellites and Faeders, to thrive in mating, showcasing the profound influence of genetics on behavior.