Search icon An illustration of a magnifying glass. The stuff that makes our smartphones work could be gone in a decade and our ability to feed the world depends mostly on a mineral found in just one country. Members of the weasel family are often portrayed as the villains of the natural world, but do they deserve this reputation? And on the Pacific coast of Costa Rica we meet a troop of capuchin monkeys and learn how our behaviour is affecting them, and raising big questions about their future. Soon, tempers fray and violent sparring contests break out.
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