John Van der vuurst's Profile > John's Groups

Time Travel
2874 members — last activity May 06, 2026 11:15AM
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The Aspiring Polymath's Society
613 members — last activity Sep 04, 2021 11:15PM
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Math is great!
276 members — last activity Jan 12, 2017 10:57PM
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Science and Inquiry
4506 members — last activity 41 minutes ago
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And Now...Science!!
45 members — last activity Oct 21, 2013 08:41PM
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Paranormal Non-fiction: What the Bleep Do We Know?
102 members — last activity Oct 11, 2017 10:29AM
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The Evolution of Science Fiction
1905 members — last activity May 07, 2026 08:07PM
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Technicalities
13 members — last activity Oct 11, 2013 08:27AM
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Robotics geeks
5 members — last activity Jun 22, 2012 12:13AM
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Historical Fantasy
88 members — last activity Oct 24, 2025 07:37PM
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The Amsterdam Book Club
96 members — last activity Oct 11, 2017 02:39PM
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Bibliothèque Érotique
11 members — last activity Feb 08, 2013 10:34AM
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