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.