The Math of Lucy

Dear Reader,

Do you believe in Lucy?  Do you believe in Adam and Eve (or at least Eve)?

Since 1987, biologists believe there is evidence that all humans come from a common female ancestor who lived about 200,000 years ago.  The science behind it is “mitochondrial DNA”.  While our biblical selves might think of her as Eve, scientists have called her “Lucy”.

There are about 7.4 billion of us alive on Earth today.  How many humans have trolled the planet since Lucy’s times?  I saw an estimate of about 100 billion.  I ran my own numbers using some very liberal assumptions and came up with 1 trillion.  Probably the 100 billion number is closer to reality.  It is a finite in some strange knowable number.  It’s not a gazillion.

Why does this matter?  How does it tie to anything?

You shall be patient and wait for another post, dear reader.

Cheers.

20 thoughts on “The Math of Lucy”

  1.  The science behind it is “mitochondrial DNA”.  While our biblical selves might think of her as Eve, scientists have called her “Lucy”. Where is this information?

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