Rare medieval seals reveal the hidden power of a Russian princess from the age of the Rurik dynasty
Two rare medieval lead seals found in Vladimir reveal the role of Princess Maria Vsevolzhaya in the politics of ancient Rus.
Easter Island statues may have 'walked' thanks to 'pendulum dynamics' and with as few as 15 people, study finds
Simple physics may explain how the Easter Island statues could "walk" miles with only a handful of people, but the debate over their transport is far from over.
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