How encounters with strongly electric fish informed our grasp of electricity. Spark from the Deep tells the story of how human beings came to understand and use

"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.

A unique reconstruction of the paleobiology of fossil non-human primates and their key role in inferring evolutionary processes on earth.

The highly anticipated second volume of Freshwater Fishes of North America, a monumental, fully illustrated reference that provides comprehensive details on the