ZME Science on MSN
A stunning map of the Atlantic Ocean seafloor — and one woman’s pioneering quest to publish it
The geology of the ocean floor is truly spectacular — perhaps even more than land geology. Unfortunately, it's really hard to study.
Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...
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