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Grow: HISTORY (Sapiens: A Brief History of Humankind), Same genus= to…

- - - - chimpanzees
      - etc.
    - - Homo sapiens
        
        the only specie remaining of the genus Homo since 10000 years ago
      - other human species
        
        Neanderthals
        
        Erectus
        
        etc
- - - - jumbo drain
        
        account for 2-3 % of total body weight, consuming 25% of the body's energy
        
        archaic human spent more time in search of food
        
        their muscles astrophied
    - - one of nature's biggest mysteries
        
        today
        
        our big brains pay off nicely
        
        produce cars
        
        we can move faster than chimps
        
        produce guns
        
        and shoot them from a safe distance
        
        for more than 2 million years in the past
        
        human remaining weak animals on the savannah
        
        they had precious little to show for their big brains
  - - - lofty vision
        
        easier to scan the savannah
      - industrious hand
        
        without being used for lomocation, are freed for other purposes
        
        throwing stones
        
        signalising
    - - backaches
      - stiff necks
      - women paid extra
        
        narrower hips but babies' heads were getting bigger
        
        death in childbirth
        
        earlier births
        
        vital systems are still under-developed
        
        babies are helpless and dependent
        
        humankind's extraordinary social abilities and unique social problems
        
        1 more item...
        
        humans can be educated and socialised
        
        they can become
        
        6 more items...
- - - - large brain
      - the use of tools
      - superior learning abilities
      - complex social structures
    - - for example
        
        lions hunted down prey-> hyenas and jackals scavenged the leftovers-> humans used early stone tools to crack open bones to get to the marrow
        
        humans were at the low position (solidly in the middle) of the food chain
  - - - The spectacular leap: man jumped to the top of the food chain
        
        Consequences
        
        the environment have been being ruined
        
        the ecosystem was not given time to adjust
        
        Humans also failed to adjust their effects on nature
        
        human are doubly cruel and dangerous compared to lions or sharks
        
        Causes
        
        we had been an underdogs of the savannah for too long
        
        we are full of fears and anxieties over our position
        
        effects
        
        deadly wars
        
        ecological catastrophes
- - - - BIGBANG
        
        begin of PHYSICS
  - - - ATOMS
        
        atoms combined
        
        MOLECULES
        
        begin of CHEMISTRY
  - - - molecules combine to form ORGANISMS
        
        begin of BIOLOGY
  - - - begin of HISTORY
        
        70000 years ago
        
        the COGNITIVE Revolution
        
        kick-started history
        
        12000 years ago
        
        the AGRICULTURE Revolution
        
        sped history up
        
        500 years ago
        
        the SCIENTIFIC Revolution
        
        may
        
        ends history
        
        starts a whole new thing