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What are you? Obviously, you are a person with human ancestors that can be plotted on a family tree, but you have other identities as well. Accordi...

Great ideas often develop gradually after studying a problem at length--but not always. Sometimes, an insight hits like a bolt from the blue. For A...

Great ideas often develop gradually after studying a problem at length--but not always. Sometimes, an insight hits like a bolt from the blue. For A...