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'Baikal tributaries drain an area the size of Britain and France combined'
Marc Di Duca

Prehistoric people developed a technique for making a playdough-like material from mammoth ivory

The skill of ivory softening was used more than 12,000 years ago to make tools - or decorations - that still puzzle modern science.

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The Bank of Russia official exchange rates of foreign currencies
EUR91.22USD75.04GBP103.07Other...