As Radio Derb listeners will recall, the downfall of the mighty Han dynasty was presaged by many portents: earthquakes, tidal waves, mysterious serpents, and vapors in the Emperor’s halls. And this: “In the first year of Radiant Harmony [i.e. a.d. 178] hens were transformed into roosters.”

Pay close heed, therefore, to this story from Scotland:

Gender-Bending Chickens
OK, back to the chickens. Michael Clinton of the University of Edinburgh studies these peculiar chickens, called “gynandromorphs.” They’re split down the middle: One side looks male; the other side, female. Clinton wanted to know how this happened.