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CONTENTS of entire timeline

CONTENTS of 59,999,999 BC- 51,000 BC Large land and aquatic mammals appear; many kinds of primates appear (almost as many go extinct); an island continent finally disappears for good; the Mediterranean valley turns into the Mediterranean Sea; human beings emerge, develop housing, clothes, lamps, and drugs, breed dogs, use horses; Mars dies (or goes dormant)

This page last updated on or about 10-31-05
a - j r m o o n e y h a m . c o m - o r i g i n a l


Approximately 400,000 BC-69,000 BC: The direct predecessors of humanity suffer a grievous blow in terms of population numbers during this time; perhaps more than one

The primate populations of Africa (hominid, gorillas, and chimps) all seem less affected by this than others.

-- WHEN HUMANS WERE AN ENDANGERED SPECIES, From Science Frontiers Digest of Scientific Anomalies ["http://www.knowledge.co.uk/frontiers/"] #100, JUL-AUG 1995, by William R. Corliss , citing "The Mystery of Humanity's Missing Mutations," by Ann Gibbons, Science, 267:35, 1995

Why would the primates of Africa be less affected by die offs than others of this time? Could it be because they are isolated from 'wolf wars' going on in Eurasia? Note that unlike humans, the other primates do not develop chins during this time. Or maybe their lack of domesticated wolves means they don't suffer some of the new sicknesses wolf owners do (illnesses passing across species). Or maybe it has nothing to do with the domestication of wolves, and everything to do with location and other matters. The humans of Africa may not be competing as directly and robustly with other primates there as their cousins are in Eurasia. Closer competition often means closer interaction: ergo, new diseases passed between different primate lines. Or, it could be that the non-African primates (including humans) tend to cluster near the coastlines of southern and southeast Asia, as well as elsewhere. If so, unexpected tsunamis from local or distant earthquakes, eruptions, and meteor impacts could periodically wipe out entire local populations along those coasts-- while those living in the African interior would largely be protected from such events.

Note that this harsh period may be what spurs humanity into its massive tool-aided opportunistic exploitation and long term storage of wild grains-- a precursor to fixed-site agriculture.

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