Long before macadamias became known as the "queen of nuts" on gourmet shelves around the world, they grew wild in the subtropical rainforests of Australia: tall, untamed trees with small, tough nuts that few animals could crack. Today, through generations of selective breeding, macadamias have transformed from forest relics into a thriving global crop. But as climate change intensifies and environmental concerns grow, the next chapter in their story is being written in the world of genetics.

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