At the same time, ideas undergo a long, gradual evolution.

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Because the new iPad that debuted earlier in 2012 offered 4G LTE technology (Long Term Evolution) IHS expects the new IPhone to also offer LTE for the first time on an iPhone.

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Knowing how that process has changed over time may shed light on the evolution of humans' superior intelligence, which relies on a long childhood.

ECONOMIST: An ancient child has been discovered