Mark Sumner's Profile
Mark Sumner is the author of the nonfiction work "The Evolution of Everything" as well as several novels including "Devil's Tower."
Real Name: Mark Sumner
Groups: DK GreenRoots, Saturday Evening Geek Out, Gadget Land, Science Matters, Republicans are Wrong, Backyard Science, Meta Groupies, MIT Climate CoLab Proposal, BillStarter, Backyard Bird Racers, Friday Night Fiction, On Whetsday, Utopia and Dystopia, Recount2016, Election Justice, Daily Kos Science
Twitter: devilstower
Diaries published: 9295 (216 days since last diary on Mon Jun 30, 2025 at 09:12 AM PDT)
Comments posted: 21764 (216 days since last comment on Mon Jun 30, 2025 at 09:58 AM PDT)
Diary frequency: frequent
Comment frequency: frequent
Total Recommends: 62164
Total Comment Ratings: 44358
People Following Mark Sumner: 1808
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