![Marianne Torres-Heckford in laboratory](/sites/default/files/styles/career_image/public/2022-01/Marianne%20Torres-Heckford.jpg?itok=7w4TZQ9a)
Marianne Torres-Heckford
Microbiology Technologist
I provide technical assistance to the University of Winnipeg Biology Department teaching and research labs.
![Gentilly-2 nuclear reactor](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Gentilly-2.jpg?itok=wSCI9iF8)
Cleaning Up Nuclear Waste After Decommissioning
STEM Explained
When a nuclear reactor is no longer in use, the radioactivity in its materials remains. That’s why it’s important to safely deal with the radioactive waste those plants leave behind.