Biological Thinking
Biological oddities, interests and observations from the world around us.
Showing posts with label
black walnut
.
Show all posts
Showing posts with label
black walnut
.
Show all posts
Tuesday, September 11, 2012
In Praise of Black Walnuts
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You might want to wear a hard hat next time you go to the outdoor classroom. There is a black walnut tree in the back corner, and it's ...
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