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Aaron Sidder, freelance science writer

Aaron Sidder

Aaron Sidder is a freelance writer based out of Denver, Colo. He has a master’s degree in ecology from Colorado State University. Aaron was an AGU-sponsored AAAS Mass Media Science & Engineering Fellow at National Geographic in 2016, and he has been writing for Eos ever since. In addition to Eos and National Geographic, he has written for National Geographic Kids Magazine, Smithosonian Smart News, 5280 Magazine, and the Santa Fe Institute. In his free time, he cultivates an extensive—and growing—collection of field guides from around the country.

An image of Yellowstone’s Imperial Geyser.
Posted inResearch Spotlights

A Fresh View of Microbial Life in Yellowstone’s Hot Springs

Aaron Sidder, freelance science writer by Aaron Sidder 25 February 202210 August 2022

Research on the habitat ranges of microorganisms in Yellowstone’s hot springs reveals an overlap between cyanobacteria and algae.

A “black smoker” chimney
Posted inResearch Spotlights

Exploration and Evaluation of Deep-Sea Mining Sites

Aaron Sidder, freelance science writer by Aaron Sidder 14 February 202224 April 2025

Two studies chart new territory for the fledgling deep-sea mining industry through advances in the identification and analysis of seafloor hydrothermal mounds.

A beach at As Sifah, Oman
Posted inResearch Spotlights

Radiometric Dating Sheds Light on Tectonic Debate

Aaron Sidder, freelance science writer by Aaron Sidder 21 January 20222 February 2022

The emplacement of the Samail Ophiolite in Oman has been a source of disagreement among geologists. New state-of-the-art research offers a fresh perspective on its timing and geometry.

Hurricane Irma battering Saint Martin in the Caribbean.
Posted inResearch Spotlights

The AI Forecaster: Machine Learning Takes On Weather Prediction

Aaron Sidder, freelance science writer by Aaron Sidder 6 January 202226 April 2022

A novel approach to weather forecasting uses convolutional neural networks to generate exceptionally fast global forecasts based on past weather data.

The Amazon River and its tributaries as seen from the International Space Station
Posted inResearch Spotlights

The Perspective from Space Unlocks the Amazon Water Cycle

Aaron Sidder, freelance science writer by Aaron Sidder 23 December 202126 April 2022

Satellite imaging and remote sensing offer unique insights into the Amazon’s complex hydrology. A new review summarizes decades of findings and charts a path forward for new remote sensing missions.

Posted inResearch Spotlights

Tubos de lava terrestres podrían ofrecer información sobre la vida extraterrestre

Aaron Sidder, freelance science writer by Aaron Sidder 29 November 202129 November 2021

Una nueva investigación encuentra que Actinobacteria en cuevas de lava fijan carbón y sobreviven independientemente de aportes superficiales, ofreciendo una nueva perspectiva en la investigación de la vida fuera de la Tierra.

An uprooted tree after an extreme weather event
Posted inResearch Spotlights

New Theory Connects Tree Uprooting and Sediment Movement

Aaron Sidder, freelance science writer by Aaron Sidder 19 November 202125 March 2022

Tree throw from extreme wind events plays an important role in the movement of sediment and erosion on forested hillslopes. A new theory offers a novel way to measure its impact.

A researcher at one of the study’s sites in Cameroon
Posted inResearch Spotlights

Exploring Methane Emissions from Africa’s Tropical Forests

Aaron Sidder, freelance science writer by Aaron Sidder 10 November 202129 April 2022

Global methane budgets suffer from a lack of field studies in African forests, but new research sheds light on methane emissions and uptake from upland forests in the Congo Basin.

Heavy-duty diesel vehicles drive inequalities in air quality in cities across the United States.
Posted inResearch Spotlights

An Eye in the Sky Tracks Air Pollution Inequality in U.S. Cities

Aaron Sidder, freelance science writer by Aaron Sidder 27 October 202128 March 2023

A new study uses its data to show that diesel traffic is the largest source of pollution inequality across racial and economic divides

Lava tubes at Lava Beds National Monument in California
Posted inResearch Spotlights

Earthly Lava Tubes May Offer Insights into Extraterrestrial Life

Aaron Sidder, freelance science writer by Aaron Sidder 21 September 202118 January 2022

New research finds that Actinobacteria in lava caves fix carbon and survive independent of surface inputs, offering a fresh perspective in the search for life beyond Earth.

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