Mark Sevilla's Profile > Mark's Groups

Groups Mark is a member of Showing 1-3 of 3

1139

Science and Inquiry
4530 members — last activity Jul 10, 2026 11:50PM
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currently reading

The Catalyst by Thomas R. Cech

2072

Atheists and Skeptics
2215 members — last activity Jun 19, 2026 01:07PM
Mark's comments (2)

43518

Skepticality
20 members — last activity Mar 17, 2013 10:46AM
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Upcoming Bookclub Reads

Brave the Wild River: The Untold Story of Two W...

by

Melissa L. Sevigny

Aug 01 in Science and Inquiry view »