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Most Expensive Books in the World
But what books are worth the most money? These are the most expensive books in the world. Original price: $1.69 million Year sold: 2016 Inflation-adjusted price: $2.14 million Note: Sale prices are ...
Scientists Are Building the World’s Most Accurate Clock. It Could Be a Turning Point for Humanity.
The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...
Aga Khan emerald, world's most expensive green stone, fetches record $9 million at auction
A rare square 37-carat emerald owned by the Aga Khan fetched nearly $9 million at auction in Geneva on Tuesday, making it the ...