857-89379 - A ray of sun light enters the Calcehtok Mayan caves near Oxkintok in Yucatan Peninsula, Mexico. These caves are where for the ancient Mayans an entrance to Xibalba, the underworld.
857-70183 - The Florida Ivory millipede (Spirobolida: Spirobolidae) a class of arthropod is thought to be among the first animals to have colonized land during the Silurian geologic period. The millipede's most obvious feature is its large number of legs. contrary to the Latin derivative of their name (thousand foot) the common species have between 80 and 400 legs.