Celebrating Darwin

Ugly Even for an Iguana
Darwin called marine iguanas "most disgusting clumsy lizards." Indeed, they have a face only a mother could love. Found only in the Galápagos, marine iguanas feed underwater on algae; they extract salt from sea water through special glands near the nostrils then expel it by sneezing, leaving a white residue on their face.

• A New Evolution Fight at the SIte of the Scopes Monkey Trial