High Human Intelligence: Evolutionary Origins, Destiny, Extinction

Author: 

Itzkoff, Seymour W.

Credentials: 

Seymour W. Itzkoff is Professor Emeritus of Education at Smith College. His professional career began as a cellist in the Hartford Symphony while studying at the University of Hartford. The Korean War found him playing as a cellist in the U.S. Army Piano Trio in Washington D.C for President Harry S Truman at the White House and for General George Marshall at the Pentagon. Itzkoff’s developing interest in philosophy led him to enroll in doctoral studies at Columbia University. During this period, he taught at several public schools in New York and at Hunter and Lehman Colleges of the City University of New York (CUNY). He then joined the faculty of Smith College, where he taught for 35 years. His publications include 32 books in various academic fields with a major interest in human evolution and intelligence.

Surviving evolutionary lines of animals and plants all had their adaptive keys for flourishing in the long run. In the case of humans, a lack of primate specializations opened the door to unique evolutionary possibilities. From the Miocene Era about 20 million years ago, nature began to offer new possibilities to creatures with larger brains and the behaviors that tempted curiosity. From that broad panorama of decisions, the future said “hold up, wait a minute.” A new menu of life plans and structures determined hominid interests and possible opportunities. The passage of time saw movement away from anthropoids who did not migrate east towards south Asia, if they were not pushed into African extinction by other proto-hominids. At the end point of millions of years, migration towards modernistic dominance of the hominids was located in Eurasia and Southern Africa, the former probably a product of the early migrations of the European ancestors of the Heidelberg type.

Today, the remnants of the artistically talented human originating in Southern Africa are holding on. By contrast the Cro-Magnons, who were pressing the Eurasian Neanderthals and Harbin Asians humanoids into extinction 40,000 years ago helped carry a small measure of their genes into the contemporary populations of the world.

The powerful modern human brain power revealed its worldwide potential in the last 10,000 years following the abatement of the Ice Age. With this universal cultural expansion came an optimism and expansive sense of futurity, as well as an attitude of “we can do no wrong.” With this outlook, the demographics of expansion flooded the landscape – at least until our times, with pandemics, the Holocaust, atomic power, threats to the environment, and bloodshed without end.

Could it be time for Homo sapiens to say "our time is up?” We have been around, from the evolutionary timetable, for a rather short try out. Maybe we should take another look at what our Cro-Magnon ancestors created with very primitive tools, inside a frosty cave.

Market: 
Science, Social Science, History, Biology, Evolution, Anthropology, Intelligence, Intelligence Studies, Civilization, Human Evolution
Release Date: 
July 15, 2025
ISBN: 
9781680533644 Hardcover
Price: 
$99.95
Trim Size: 
6x9
Pages: 
200
Illustrations: 
None
Publisher: 

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