Legend has it the axolotl was not always an amphibian. Long before it became Mexico's most beloved salamander and efforts to prevent its extinction flourished, it was a sneaky god. "It's an ...

Composite photograph of beads weighing an average of 0.0708 grams and measuring 5 millimeters in diameter, taken from a ton of scallops found at the Montelirio site in southern Spain. D.W.W. The ...