Iron, gold, silver, copper, tin, lead, phosphorus, arsenic; at the beginning of the eighteenth century, mankind was aware of only a handful of pure elements. Chemistry had not yet branched away from alchemy,
The 52 Book Club: 2026 Challenge
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This group is for those participating in The 52 Book Club's annual challenges! With 52 unique prompts released each year, the goal is to diversify our ...more
Underground Knowledge — A discussion group
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This global discussion group has been designed to encourage debates about important and underreported issues of our era. All you need is an enquiring ...more
Ray’s 2025 Year in Books
Take a look at Ray’s Year in Books, including some fun facts about their reading.
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