How It Works - UK (2020-02)

(Antfer) #1

064 HowIt Works http://www.howitworksdaily.com


HISTORY


The global spread of
humans was gradual

Human


timeline


Homo sapiens

Homo neanderthalensis

Homo erectus

The great


human


migration
Follow the path of our ancestors
as they populated the world


40,000

200,000

100,000

70,000

25,000

50,000

1,500
OutofAfrica
Asconditionsgotdramatically
colder,it becamemoredifficultto
livein thearea,andthepopulation
begantospreadnorth.Reaching
fertileland,someofthesepeople
becametheworld’sfirstfarmers.

Inlanddiversion
Migrationawayfromthetropicstook
humanstoCentralAsia.Thisarea
suitedhuntersofmegafauna,such
aswoollymammoths,beforethey
becameextinct.Fromhere,different
migrationpatternssawthespecies
splitin a majorspread,headingfor
differentreachesoftheglobe.

A flint arrowhead found in a woolly
mammoth bone is evidence of
humans’ role in their hunting
© Science Photo Library

Ancientartwork
Remnantsofourancestors’artwork
canportrayaspectsoftheir
lifestyles,showingsignsofhumans
beginningtofocusonthoughts
beyondsurvival.Thefamousanimal
artworkin Lascaux,France,marks
thebeginningoffigurativeart.
Prehistoricartwascreatedusing
paintscomprisedofochre,charcoal,
crushedsealboneandrockchips.

Estimated to be 20,000
years old, cave paintings in
Lascaux mainly depict large
local animals
Source: Wiki/Prof saxx

Sailingtheseas
CrossingtheoceanfromAsiatoAustralia,humansdiscovereda largenew
continent.It is unclearwhetherhumanscrossedin oneplannedwaveor
whethermultipletripsweremadeovertime,butthejourneyis thoughtto
havebeenplannedin ordertoresultin enoughpeopleontheislandtokeepa
newpopulationgoing.Whiletheareaofoceanseparatingthelandswas
shorterwhenthismigrationoccurred,thejourneywouldstillhavecomeasa
challenge,navigatinglargestretchesofwaterontheirhandmadeboats.

After sea levels rose,
humans living in
Australia evolved and
adapted to the unique
land and ecosystem © Getty

Lucy’slocation
Remainsofa 3.2-million-year-old
humanancestorspecieswas
discoveredin Hadar,Ethiopiain
1974.Named‘Lucy’,herskeleton
wasthefirstAustralopithecus
afarensisskeletoneverfound.
Recreationsofwhatshewould
havelookedlike– basedonher
skullandothersnearby– show
hertohavehada lowforehead,
widecheekbonesanda brain
thesizeofa chimpanzee’s.

300,000-200,000yearsago
Homo sapiens (modern
humans) appeared in Africa.

Around70,000yearsago
Prior to migration, major climatic shifts
may have caused the human population
to drop, temporarily nearing extinction.

65,000-35,000yearsago
Humans reached the
Australian continent,
crossing the water in canoes.

70,000-100,000yearsago
Modern humans began to
leave A frica.
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