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We call that event the appearance of “behaviorally modern” humans.
pound of brain tissue uses twenty times the amount of energy a pound of muscle does.
three-hundred-pound marsupial lions,
This global die-off is called the Quaternary extinction event.
Capitalism provided a platform—a societal construct, if you will—for distributing value across a population, in particular to reward minds that imagined and implemented things that brought advantage to others.
There were two types of people who adopted troubled children: devils and saints.