Free stickers for Darwin Day

I thought I’d use up some of my postcards to send tree-of-life stickers to some fellow science fans. First seven (7) people to send me their addresses get them. United States only, with apologies (I only have domestic stamps). As a bonus, postcards are sciency! Except for the one from Mohonk Mountain House (pics if you haven’t been there).

Charles Darwin's tree of life sketch (modification)

In case you’re curious, this is a modification of Charles Darwin’s “I think” sketch. I originally used the design for temporary tattoos to help people publicly express their acceptance of evolution.

Tree of life tattoo on neck

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