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Senior Editor, Scientific American

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@gstix1 — 1,691 followers, 1,134 tweets

@sciam Nested scenario building—the ability to imagine alternative situations, reflect upon them and then embed them into a larger narrative of related events—also gives humans an edge. @sciam 
The internal combustion engine is just such a cultural bequest. Building it requires expertise in making a flywheel (3rd millenium B.C.) a crank (2nd century B.C.) and a cam (15th century). @sciam 
@sciam It's all about the hand-me-downs: knowledge as well as old clothes passed along over the generations. Check out: An Evolved Uniqueness: How We Became a Different Kind of Animal" by biologist Kevin Laland.  @sciam #TopScience2018
How did humans—and not Neandertals nor octopuses—invent vaccines, walk the moon and build WMD? @sciam in its Sept. special issue on humankind details what we've learned recently about the cognitive toolset required.  #TopScience2018
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