The Saguaro might, one could fancy, be a tree designed by someone who had never seen a tree.
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This is a repost of a piece I wrote for The Panda's Thumb in April 2004. I add it here to put it in the Basics series.
One of the more difficult conceptual problems the layperson has with biology lies in the simple word "primitive". It has many antonyms - "modern", "evolved" and "derived", and…
During the 19th century most discussions of the earliest known bird, Archaeopteryx, focused on its relationship to other fossil reptiles, whether or not it could fly, and what it indicated about the origins of flight. A bird would not be a bird without song, though, and at least two authors…
No, I am not a Scrooge or a Grinch, just a pragmatist.
The holiday season is, for many, a reminder of tales of miracles, whether of the story of the birth of Christ as a savior, of Chanukah's menorah that was lit for eight days with only enough oil for a single day, Bodhi Day to honor the…
tags: Seattle Washington, Montlake Fill, Union Bay Natural Area, urban wetland, urban nature preserve, University of Washington
Entrance to the Union Bay Natural Area (UBNA), more commonly known as the "Montlake Fill".
Image: GrrlScientist 29 September 2008 [larger view].
One of my most…