Sept. 5, 2018, 5:47 p.m.
Summer Ship Tracks in the Pacific
Long, narrow clouds, known as ship tracks, stood out against the backdrop of marine clouds blanketing much of the North Pacific Ocean.
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A fossilized trackway on public lands in Lake County, Ore., may reveal clues about the ancient family dynamics of Columbian mammoths. Researchers who excavated a portion of the path found 117 footprints thought to represent a number of adults as well as juvenile and infant mammoths.https://www.sciencedaily.com/releases/2018/02/180212160905.htm
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