John Waterman's Profile > John's Groups

Science and Inquiry
4540 members — last activity 5 hours, 23 min ago
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Announce/Brag/Showoff
309 members — last activity Jan 14, 2024 05:01PM
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History, Medicine, and Science: Nonfiction and Fiction
1551 members — last activity Jul 03, 2026 05:53PM
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Ayn Rand fans
123 members — last activity Feb 16, 2020 08:09PM
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SciFi and Fantasy eBook Club
3790 members — last activity Sep 12, 2026 09:26PM
John's comments (1)