Peru home build vexed by 'the neighbors'—Inca-era mummies

Hipólito Tica had saved for decades to finally build himself a proper house in a working class neighborhood of Lima. His problem was what to do about "the neighbors"—as he called the centuries-old mummies buried below.

How climate change caused the world's first empire to collapse

Gol-e-Zard Cave lies in the shadow of Mount Damavand, which at more than 5,000 metres dominates the landscape of northern Iran. In this cave, stalagmites and stalactites are growing slowly over millennia and preserve in them ...

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