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Grace van Deelen

Grace van Deelen, joined Eos in 2023 as a staff writer. She covers all things Earth science and is particularly interested in stories that highlight the intersection of society, the environment, and equity in science. Grace holds a master’s degree from MIT’s Graduate Program in Science Writing and bachelor’s degrees in biology and anthropology from Tufts University.

An image of a beige cave wall shows cave art, drawn in thin black lines. The art depicts animal figures, one of which looks like a lion’s head.
Posted inNews

Carbon Dating Reveals the Timing of Puerto Rican Cave Art

by Grace van Deelen 9 November 20239 November 2023

New dates from cave art pigment add to evidence that Indigenous Puerto Ricans inhabited the island for millennia.

A photo of a stream running through a bed of dried rocks on a clear, sunny day.
Posted inNews

River Recovery from Drought Can Take Years

by Grace van Deelen 1 November 20239 November 2023

Climate change has created increasingly volatile weather and a drier atmosphere, making it harder for rivers to recuperate after a drought.

Image of dairy cows lined up inside a barn, with one cow facing forward
Posted inNews

Midwest Livestock Operations Linked to Rise in Ammonia Pollution

by Grace van Deelen 14 December 202126 April 2022

For the first time, scientists have linked high-density animal operations in the U.S. Midwest to rising air pollution from ammonia, suggesting need for increased regulation from the EPA.

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