Articles on Invasive species

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Wild horses, known as brumbies, in Australia.

Friday essay: the cultural meanings of wild horses

From 30,000-year-old cave paintings to The Man From Snowy River, wild horses have always been part of human culture. As Australia debates what to do with 'brumbies' in mountain environments, it's time to reconsider their place.
Gene drives aim to deliberately spread bad genes when invasive species such as mice reproduce. Colin Robert Varndell/

‘Gene drives’ could wipe out whole populations of pests in one fell swoop

Releasing just 100 mice carrying a faulty gene designed to stop them reproducing can remove an entire population of 50,000, a new study shows, paving the way for new eradication efforts.

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