Eight billion people: How evolution made it happen

November 15, 2022, marks a milestone for our species, as the global population hits 8 billion. Just 70 years ago, within a human lifetime, there were only 2.5 billion of us. In AD1, fewer than one-third of a billion. So how have we been so successful?

from Phys.org - latest science and technology news stories https://ift.tt/afo81Tr

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