Mark Sevilla's Profile > Mark's Groups

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

1139

Science and Inquiry
4469 members — last activity 1 hour, 38 min ago
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currently reading

Replaceable You by Mary Roach

2072

Atheists and Skeptics
2218 members — last activity Aug 16, 2025 12:20PM
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43518

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

Pillars of Creation: How the James Webb Telesco...

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Feb 01 in Science and Inquiry view »