WHAT IS HISTORY?History 33
THE JOURNEY OF MAN A documentary where Spencer
Wells goes to Africa to begin the journey of humans
Blood contains the greatest history book of the human species.
Blood is the time machine that reunites us with our ancestors by the way of DNA
DNA was discovered in the 1950s
All humans came from Africa. Only ten thousand lived back there, we are all their children.
THE JOURNEY OF MAN All our ancestors came from the same tribe. All
humans had the same language back then that used “click” sounds.
Language was responsible for all advancements in human behavior
Eventually our ancestors began to spread out. The reasons are unknown but many are speculated.
Climatic Changes were a major part of early human migration
The next destination for the descendants of the Bushmen was Australia
Humans passed through India before reaching Australia
Next Humans from Africa left for the Middle East
From the Middle East Humans migrated to Southern Central Asia, Europe, Russia,
From Russia Humans crossed over to Alaska and the Americas
Skin got paler in order to absorb more light and absorb more vitamin D
All humans are African under the skin
CATASTROPHE!
David Keys goes on a journey to discover the catastrophe that happened on Earth
On 535 AD all the climate on Earth changed
Was intensely cold for 2 years
Unusual climate conditions on Earth occured
CATASTROPHE! Tree rings reveal that a
major event occurred on all of earth at the same time
Three possibilities for this were: comets, asteroids or volcanoes
Evidence proved that the event wasn’t caused by an outer space force but by a volcano
The Krakatoa erupted The event was
devastating for all living creatures on earth
GUNS, GERMS AND STEEL
Four environmental features that affect
1st differences in wild animals and plants
2nd rates of diffusion and migration
3rd diffusion between continents
4th differences in area and population
GUNS, GERMS, AND STEEL
The book Guns, Germs and Steel tries to make the point that these four factors matter. We can look at past societies to see how they were affected and also try and predict future problems and outcomes.
Guns, Germs and Steel was published in 1997
THE COLUMBIAN EXCHANGE The Columbian exchange is the major
exchange between foods, plans and animals between the old world and the new world
Diseases were also an unfortunate exchange between the two
Horses changed the way people in the Americas moved
THE COLUMBIAN EXCHANGE Christopher Columbus
discovery of the Americas was an accident but also the biggest trade revolution in human history.
Europeans were motivated for gains in money and pride
Religion was also a major motivating force
Europeans migrated to the Americas
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