Aug 262014
 

Time travel is always intriguing, but it doesn’t teach us much about ourselves. We’d learn a great deal more if we could propel a few cave people to the present. They would surely admire our science – and be frightened by our culture, aghast at our obesity and slovenliness, stunned at our war-making capacities and dumbfounded that human nature has not progressed whatsoever.

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