The macabre diets of scale-eating cichlids help shed light on the important role of frequency dependence in shaping genetic variation and the natural world. By Jeffrey McKinnon / MIT Press Reader ...
Scientists in China found a river creature with scales under its skin and discovered a new species, a study said. Photo from Guibang Xiao via Xiao, Guo, Cao, Lin, Deng, Xiao, Zhou, Zhang and Fang ...