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Hannah Thomasy, Science Writer

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.

Argon plasma
Posted inNews

Innovators Tackle Toxic “Forever Chemicals”

Hannah Thomasy, Science Writer by Hannah Thomasy 24 February 202216 April 2024

New technologies seek to remove and destroy dangerous PFAS chemicals in contaminated water.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inNews

A New Technique Could Identify Algae from Space

Hannah Thomasy, Science Writer by Hannah Thomasy 6 December 202127 March 2023

Some types of algal blooms produce dangerous toxins, while others are relatively harmless to humans.

Aerial view of the archaeological dig at Wadi Fidan, Jordan
Posted inNews

Ancient Flint Tools Reveal Earth’s Changing Magnetic Field

Hannah Thomasy, Science Writer by Hannah Thomasy 27 September 202129 March 2023

Stone tools may provide data on paleomagnetism that are out of reach for other markers, such as prehistoric pottery.

An active coal-burning power plant
Posted inNews

New Marine Ecology Tool Corrects for Effects of Fossil Fuel Emissions

Hannah Thomasy, Science Writer by Hannah Thomasy 21 July 20215 October 2021

Standardizing these corrections will help scientists understand ocean ecosystems.

A humpback whale breaches in the Gulf of Alaska.
Posted inNews

Years After the Pacific Marine Heat Wave, Ecosystem Shifts Persist

Hannah Thomasy, Science Writer by Hannah Thomasy 3 May 202125 October 2021

Researchers question whether Gulf of Alaska species will return to pre–heat wave conditions.

Black sea cucumber, also known as Holothuria atra
Posted inNews

Sea Cucumbers: The Excremental Heroes of Coral Reef Ecosystems

Hannah Thomasy, Science Writer by Hannah Thomasy 16 March 20214 October 2021

Drone surveillance reveals just how big a contribution sea cucumbers make to reef habitats.

A researcher looks over Frenchman Valley, Chambery Coulee, Saskatchewan.
Posted inNews

Terrestrial Plants Flourished After the Cretaceous–Paleogene Extinction

Hannah Thomasy, Science Writer by Hannah Thomasy 26 January 20214 October 2021

Compounds in ancient plant leaves tell the story of how an extinction event shaped our planet’s ecosystems.

Black-legged ticks, also known as deer ticks, are responsible for transmitting Lyme disease in the United States and Canada.
Posted inNews

Lyme Disease and the Dangers of the Forest Edge

Hannah Thomasy, Science Writer by Hannah Thomasy 8 December 20209 September 2024

Living near a forest edge may be an important risk factor for Lyme disease; these liminal spaces provide the perfect habitat for one of the black-legged tick’s favorite hosts.

Example of a modern-day rain forest ecosystem
Posted inNews

Finding Prehistoric Rain Forests by Studying Modern Mammals

Hannah Thomasy, Science Writer by Hannah Thomasy 4 November 20203 July 2023

Mammal teeth store a record of the plants they ate, providing clues about the ecosystems in which they lived.

A mosquito feeds on a host.
Posted inNews

Hydrology Helps Identify Future Malaria Hot Spots

Hannah Thomasy, Science Writer by Hannah Thomasy 12 October 202011 January 2022

Complex hydrological processes—not just the amount of rainfall—help determine where malaria-transmitting mosquitoes can thrive.

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