Moira Donovan | The Walrus

A gif of jumping worms popping their heads out of holes in the ground.

Revenge of the Earthworms

June 13, 2022June 13, 2022 - by Moira Donovan

A gardener’s best friend? Think again. How invasive earthworms are wreaking havoc on our ecosystems

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A close-up photo of mackerel fish on ice

Fish on the Brink: Where Did All the Mackerel Go?

January 28, 2022 - by Moira Donovan

A fish famous for its abundance has become harder to find in many Atlantic communities

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An animated black and white gif image of some illustrated fish of different sizes, the bigger eating the smaller.

How Do You Kill an Invasive Species? Bring In a Bigger, Meaner Species to Eat It

March 16, 2021June 30, 2022 - by Moira Donovan

Before pesticides, biocontrol was all scientists had to combat introduced insects. Now, the controversial tactic is coming back

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