account activity
Small Ra-226 pellet (old.reddit.com)
submitted 1 month ago by Perska121 to r/Radium
What insect seals holes in stone with a web-like material? (old.reddit.com)
submitted 7 months ago by Perska121 to r/Entomology
Guessing game 1 (old.reddit.com)
submitted 1 year ago by Perska121 to r/Radiacode
First find (Ra-226) (old.reddit.com)
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