“Meaning of Life, in 3 Minutes“, YouTube video, July 2017

“Evolution Will Change How You See The World“, YouTube video, Sept. 2015

“Was Darwin Really a Genius?“, Huffington Post, June 11, 2015.

“Darwin: The Movie“, Scientific American Guest Blog, April 12, 2015.

“The Logic and Beauty of Cosmological Natural Selection“, Scientific American Guest Blog, June 10, 2014.

“The Time of Our Lives: Human Awareness in the Context of Cosmic Time“, Scientific American Guest Blog, March 9, 2014.

“10 Sublime Wonders of Science“, Scientific American Guest Blog, Oct. 8, 2013.

“The Survival of Humanity,” Scientific American Guest Blog, Sept. 13, 2013.

“My Ancestors Slept Here,” Scientific American Guest Blog, July 23, 2013.

“Recent Miracles You May Have Missed,” Skeptical Inquirer, May/June, 2013.

“Is the Meaning of Your Life to Make Babies?” Scientific American Guest Blog, March 24, 2013.

“Amoxicillin — Humdrum? Or Miraculous?” Scientific American Guest Blog, Feb. 1, 2013.

“Patients and Evolutionary History,” Scientific American Guest Blog, Jan. 25, 2013.

“ADHD and Mind Enhancement ” Contemporary Pediatrics, August, 2012.

“Cranks, Behinds, and God,” Free Inquiry, February/March, 2012.

“What About Hope?” The Humanist, Jan/Feb, 2012.

“Human Experience of Transcendence” The New Humanism, Sept. 2011.

“Humanism?  What’s That?” Free Inquiry, June/July, 2011.

“The Paragraph I Wish Sam Harris Would Write“, Free Inquiry, Feb/March 2011.

“Predictions about the Future of Pediatrics,” Contemporary Pediatrics, Jan. 2011.

“Keep Your Eyes on the Stars,” Free Inquiry, Dec. 2010/Jan. 2011.

“Wonders, Not Miracles,” The Humanist, July/August, 2010.

“The Vital Spark,”  Free Inquiry, April/May, 2010.

“On being a pediatrician,” Contemporary Pediatrics, January, 2010.

“Sublime Naturalism, final,” Free Inquiry, August/September, 2009.

“Matter of Trust,” Medical Economics, January 9, 2009. (Grand Prize Winner, 2008 Doctors’ Writing Contest)

“Humanism Meaning and Wonder,”  Free Inquiry, October/November 2008.

“Evolutionary Humanism for a New Era,” Free Inquiry, June/July 2008.

“Still A Privilege To Be A Doctor,” Medical Economics, March 21, 2008.

“The Immunological Impact of Nuclear War,” in The Medical Implications of Nuclear War (National Academy of Sciences Press, 1986).