The following items have been added to this site for your interest (in chronological order; new materials will be added from time to time).
The mating call of a northern leopard frog.
The mating call of a southern leopard frog.
An article from the New York Times of Sept. 15, 2009 on shark teeth.
Other evidence of sunken and lost cities or ports (Istanbul, Turkey) Sept 25
More stories about butterflies--Monarchs have a GPS in their antennae Sept 25
The possibility of reversing evolution (Sept 29)
The effect of predation on behavior and reproduction (Sept 30)
Report on an early hominid (New York Times article and Article from the journal ScienceOctober 1)
COMMENTS ON FIRST TEST (October 9)
LINKS TO REWRITE OF FIRST TEST (October 9)
New dinosaur footprints in Jura, France (Oct. 9, for future use)
Animal warning calls (Oct. 9, for future use)
Notes on essays, first test rewrites, and preliminary questions for second test (Oct. 21)
NY Times article: The need for understanding and creativity (Oct. 21)
The relationship between education and democracy (November 3)
Creationism and Islam (for general interest, November 3)
Hummingbird courtship ritual (November 3, for later in the course)
Speculation, facts, and integration of knowledge (Science Times November 3)
Comments on second test (November 6)
Follow-up: Baseball and Politics (humor, November 10)
Inherit the Wind (Low resolution video) (November 11)
Determining cause of extinction of mammoths OR a more insightful article, same topic (November 19)
Final schedule, first cut of questions for the final, and suggestions for studying(November 22)
More comments on the origin of AIDS (November 24)
Snails, snakes, Darwin, and evolution (NY Times Nov 24)
A 7000 year old European culture (NY Times Dec 1)
An instinct for social cooperativeness (NY Times Dec 1)