Science Mapping the Origins and Expansion of the Indo-European Language Family Bouckaert et al. ABSTRACT There are two competing hypotheses for the origin of the Indo-European language family. The conventional view places the homeland in the Pontic steppes about 6000 years ago. An alternative hypothesis claims that the languages spread from Anatolia with the expansion of...

One of the most startling results of the expanded neocortex, the primate brain that appeared about sixty million years ago, is the development of the social group. Primatologists have determined that, due to their highly social nature, all primates need to maintain personal contact with other members of their social group; in non-human primates, this is usually through grooming, activity in...

WOW! Blown away by the discovery of children's cells in the blood and brains of their mothers after pregnancy! This condition is called chimerism after the fire-breathing Chimera from Greek mythology, a creature that was part serpent part lion and part goat. Naturally occurring chimeras are far less ominous though, and include such creatures as the slime mold and corals. Microchimerism...