Penis morphology in a Burmese harvestman

Today’s item in our Shape-Of-Things-to-Come series gets a detailed look in this research study: “Penis morphology in a Burmese amber harvestman,” Jason A. Dunlop, Paul A. Selden, and Gonzalo Giribet, The Science of Nature, vol. 103, no. 11, February 2016. The authors, at Leibniz Institute for Evolution and Biodiversity Science, the University of Kansas, the Natural History Museum [London, UK], and Harvard University, report: […]

The seasonal pulsing in size of skulls and penises

The gentle pulsing in size of body parts is one of Nature’s seasonal wonders. Evidence of this — with skulls and penises, respectively — is documented in two (well, three) studies published this year. Some Weasel Skulls Pulse Bigger and Smaller, Seasonally “Growth overshoot and seasonal size changes in the skulls of two weasel species,” […]

Distinguishing Real vs Fake Tiger Penises [law enforcement guide]

This eight-page report is a practical guide for law enforcement officials: “Distinguishing Real vs Fake Tiger Penises,” Bonnie C. Yates, Identification Guides for Wildlife Law Enforcement No. 6., 2005, U.S. Fish and Wildlife Service, National Fish and Wildlife Forensics Laboratory, Ashland, Oregon. (Thanks to Silvan Urfer for bringing this to our attention.) The author reports: […]

Scrotal Asymmetry in Man and in Ancient Sculpture, etc.

The 2002 Ig Nobel Prize for medicine was awarded to Chris McManus of University College London, for his excruciatingly balanced report, “Scrotal Asymmetry in Man and in Ancient Sculpture.” [That report was published in the journal Nature, vol. 259, February 5, 1976, p. 426; it was in fact the cover story of that issue.] But some people […]

Improbable Research