An earless rabbit was born in Fukushima, Japan, Hong Kong scientists created a fish that glows in the presence of estrogen, and female croakers in the Gulf of Mexico’s dead zone were developing testes. Porpocide by young male dolphins was blamed on sexual frustration. It was found that Asian clams usually reproduce by cloning themselves, but will occasionally have sex with other species. The water boatman Micronecta scholtzi was observed to create chirps as loud as 105 decibels, apparently by rubbing its 0.002-inch-long penis against its abdomen. “To observe the ­micro-mechanics of such a small system remains a significant challenge,”…