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An Exercise in Middle Woodland Geometry IV
For thousands of years before European contact, the peoples of eastern North America have lived along the banks of the region's many rivers.
Sep 11, 202466 min read


An Exercise in Middle Woodland Geometry III
III - A mathematical construction is a mechanical physical act that is directly related to the physical act of constructing a structure.
May 20, 202429 min read

What is Choice?
The fact that humans do not make purely rational decisions has been established in psychology and is taken as a set of constraints or bounds
Sep 8, 202314 min read

Mixed Species Foraging in Birds
Mixed species foraging flocks of birds and other animals are common everywhere
Jul 22, 202310 min read


Mound Builders of Ohio: Part 1
The Hopewell culture culminates in a history that goes back thousands of years.
Jun 10, 202319 min read


Mastodon Posts
Last 5 months' posts on Mastodon
Apr 30, 20237 min read

What is the Dawn Chorus?
For diurnal animals, dawn and dusk are special times.
Apr 2, 202312 min read

Complexity, Cooperation, and the Individual
As humans, we live inside our little heads and we have this illusion that we are separate from the world and our bodies.
Nov 24, 202222 min read

Bitcoin is Shitcoin Part II
How does a technology supposedly based on the expansion of human freedom need an autocrat to force people to use it?
Jan 24, 202212 min read


Monogamy in Animals
Reproduction is, of course, an important part of any animal’s life history, and mating success is a driving force in evolution.
Dec 17, 202113 min read
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