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Groups tdemko is following.

Group Last Diary
Fitness
This is a group for Kossacks of all fitness levels and abilities to share their experience and encouragement in their effort to get and to stay physically fit. Also, for discussion and advocacy of public policy as it relates to physical fitness.
2011-02-13 13:10:17
Science Matters
A forum for pointing out and responding to the non-science and anti-science material that appears daily in the media. From simple mistakes and ancient astronaut foolishness, to deliberate obfuscation and assault on scientists, science is under attack and Science Matters is fighting back.
2025-11-21 18:39:27
SciTech
The SciTech group is dedicated to the exploration of Science and Technology. We welcome all diaries, essays, and discussions that teach or explain the wonders of the universe.
2025-12-07 02:12:45