Allison Lawman at the UT Austin coral library (IMAGE)

University of Texas at Austin

Allison Lawman at the UT Austin coral library

Caption

Allison Lawman in 2019, then a graduate student at UT Jackson School of Geosciences, holding a piece of coral that’s about 900 years old. The ocean’s temperature is imprinted in the coral’s chemistry as it grows giving scientists a thermometer into the past.

Credit

University of Texas Institute for Geophysics

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License

CC BY

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