Shell remains give sand from different locations unique acoustic signatures.

Hannah Thomasy
Hannah Thomasy is a freelance science writer. She has written for OneZero, NPR, The National Post, Hakai Magazine, and Ensia. She is a graduate of the Dalla Lana Fellowship in Global Journalism, and she received her PhD in neuroscience from the University of Washington in 2017.
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A Key to Coral Bleaching Events? Location, Location, Location
New research indicates that longitude, as well as warming waters, may be a key predictor of coral bleaching events.
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Heat Waves Are Blowing in the Wind
New research indicates that droughts in far-off places contribute to the amount of heat transported to regions experiencing heat waves.
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Paleontologists Peer Inside Billion-Year-Old Cells
Scientists have discovered the fossilized remains of Precambrian cells extraordinarily preserved with the rare earth element phosphates monazite and xenotime.