naturam expelles furca, tamen usque recurret
'You can drive out nature with a pitchfork, but she will always return'.
Horace, Epistles i. x. 24
Ancient Peruvian civilisation grew mighty by harvesting guano
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The Chincha Kingdom was transporting seabird excrement from islands to
valleys as early as the 13th century, and this powerful fertiliser may have
been key...
4 hours ago
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