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Professors put a human touch on extreme time scales — from the very long to the ultra-short

Professors put a human touch on extreme time scales — from the very long to the ultra-short

We measure our days in slices of time. Geologic Time as a Football Field Here’s a way to put geologic time scales in perspective. Lay out the 4.6 billion years since the Earth was formed on a football field and we can see where the milestones would appear: Start at the goal line and go…   » Continue Reading