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Futurology
Jan 11, 2020
Giant, Mysterious Blobs Are Lurking at the Edge of Earth’s Core - “It would be like having an object in the sky, and asking, ‘Is that the moon?’ And people are like, No. ‘Is that the sun?’ No. ‘What is it?’ We don’t know!”
arizona state university
biggest clusters of hot plumes.read
blob regions
blobs
clumps of dense rock
cold currents
colder rock
core-mantle boundary.to map
deep interior
different times
early planet’s greatest cataclysm
earth scientists
echoes of earthquakes
ed garnero
edges of the blobs
emperor chain
enough material
evolution of the earth
fixed mantle plume
harvard researcher adam dziewonski
highest points
hot spot
hot-blob regions
large low-shear-velocity provinces
largest things
longer history
main structures
mantle
map of earth
opposing camp
past year
planet’s molten iron core
plate tectonics
plumes
recent years
rest of the earth
rocky mantle
scientists
similar pattern
smaller islands
stretch of islands
surface world
tectonic plate
tectonic plates
thermochemical piles
university of maryland
unknown forms
vague outlines
volcanic hot spots
warm regions
Futurology
Aug 01, 2019
What Happens When the World’s Population Stops Growing?
big problems
black death
broad demographic shifts
childbearing age
country’s politics
culture moves
demographers’ best guess
different countries
different points
different times
eloundou-enyegue notes
environmental toll of further growth
example of a country
family members’ care
family structure
fertility rates
fewer kids
future fertility rates
global level
global population
human population
humans
labor market
largest world region
levels of education
lot of people
lot of the large segments of the culture
lower concentration of older people
major increase
national retirement-benefits programs
next couple of decades
number of people
parfait eloundou-enyegue
people
planetwide population
population drop
population of a single country
result of people
society level
terms of population
texture of family life
tom vogl
total number of humans
united nations
un’s data
world population
world’s largest religion
world’s population
young people
young shape
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