Ancient Maya built sophisticated water filters that would still work today (

Researchers from the University of Cincinnati discovered evidence of a sophisticated filtration system in the ancient Maya city of Tikal using quartz and zeolite, materials that are still used today to filter out heavy metals, microbes and toxins from water.

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Storms unveil ancient wooden ship on South Africa coastline (

Lost letters reveal JM Barrie and Robert Louis Stevenson's mutual affection (