By Erik Skindrud, InfoWise.org Above: Members of the human family include, from left, homo rudolfensis , homo erectus, neuroscientist Dave Geary, and homo neanderthalensus. Of the species, the Neanderthal enjoyed the largest average brain size. Credits: Visual / Corbis, University of Missouri. The human brain is shrinking. The amount lost is significant too — the volume of a tennis ball taken from a large cantaloupe.  The … Continue reading Human Brains Are Shrinking in Size — Thoughts on Precisely Why Are Evolving