Phalaropes and nutcrackers
August 19, 2009
I am continually amazed by the breadth of nature’s adaptations. Take a set of conditions we accept as standard, turn the arrangement on its head, and it is not unusual to discover that the process of natural selection has produced the near oppo ...(more)
Last Wednesday Evening
April 29, 2009
Last Wednesday evening (April 22) I sat on our porch and watched green grass emerge in corners of our yard that were tundra just a few days earlier. Birds sang. The dogs sought the shade of a lilac that was beginning to form buds. I found myself ...(more)