Harry Jefferies shared his grandfather’s 30-year project:
My grandpa who is 85 started…
geology
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Rock map of Scotland
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First unified geologic map of the moon
The USGS released a unified geologic map of the moon on a 1:5,000,000-scale…
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Continental drift, from 240 million years ago to present
Researchers modeled continental drift, going back 240 million years ago, on the scale…