![Luana Langlois travaillant dans une hotte de laboratoire](/sites/default/files/styles/career_image/public/2021-03/Luana%20Langlois.jpeg?itok=ClR9-5s7)
Luana Langlois
Graduate Student (Biology)
![Medical image of the brain using Technetium-99m](/sites/default/files/styles/resource_card_image_360x300_/public/2021-01/brain_scan-te-99.jpg?itok=zvUZojUo)
Innovations in Nuclear Technologies
STEM Explained
Learn about why Canada is a world leader in nuclear technology.
Maria Quadir
Senior Regulatory Affairs Associate
![Nutrition label on the side of a pop can](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/nutrition-information-on-a-can.jpg?itok=4o0ZthQc)
The Science Behind Calories and Nutrition Facts Labels
STEM Explained
Find out how scientists figure out the information on food nutrition labels and why that information can help to keep you healthy.
![Jason Bowie travaillant à l'ordinateur](/sites/default/files/styles/career_image/public/2020-02/Jason%20Bowie.jpg?itok=GXYMmMFx)
Jason Bowie
Associate Director & National Business Manager (Oncology)
![Colour-enhanced MRI of brain and eyes](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/mri-brain_and_eyes.jpg?itok=nvD1FxxQ)
Magnetic Resonance Imaging
Backgrounders
Learn about the history, function, uses, benefits and risks of Magnetic Resonance Imaging (MRI) as a medical imaging technology.
![Patient about to enter a CT scanner](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/patient_entering_CT_scanner.jpg?itok=Obfg35YJ)
Computed Tomography
Backgrounders
Learn about the history, function, uses, benefits and risks of computed tomography (CT) as a medical imaging technology.
![Leaf and the Sun](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Plant_Functions.jpg?itok=60gbqGFi)
Plant Functions
Backgrounders
Learn about the important plant functions of photosynthesis, respiration and transpiration
![Looking at a donut and a brain through a magnifying glass](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/human-brain-with-donut.jpg?itok=sDa9et9m)
How Sugar Affects the Brain
STEM Explained
Consuming sugary foods and drinks activates your brain’s reward system - the same system that can cause addiction.
![Browning apple](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/Browning_apple.jpg?itok=0ChBaFX8)
Why Do Apples Turn Brown After You Cut Them?
STEM Explained
Has your fresh juicy apple turned an unsightly brown? Learn about the redox reaction behind the transformation.
![Water droplets on succulent leaves](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Succulent_leaf.jpg?itok=55kCziIw)
How Do Plants Survive in the Desert?
STEM Explained
Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.
![Bread and wheat with a warning sign](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/gluten-intolerance-with-bread-and-wheat.jpg?itok=Ytq99uNA)
Celiac Disease: When You Really Need to Stay Gluten-Free
STEM Explained
Celiac disease is an autoimmune disorder. Gluten triggers an immune system response, seriously affecting nutrition.
![Why do oil and water not mix?](/sites/default/files/2019-08/why-do-oil-and-water-not-mix.jpg)
Why do oil and water not mix?
Hands-on Activities
What chemistry determines how oil and water behave when mixed? Explore the mixing of oil and water and the density of liquids in this activity.
![Arctic pack ice](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/arctic_ice_pack.jpg?itok=-rJJdc-Q)
Why Don't Fish Freeze in Cold Arctic Waters?
STEM Explained
Ever wonder how fish survive in the cold waters of the Arctic and Antarctic? It’s partly because of a brilliant evolutionary adaptation.
![What is the best way to clean up an oil spill?](/sites/default/files/2019-08/what-is-the-best-way-to-clean-up-an-oil-spill.jpg)
What is the best way to clean up an oil spill?
Hands-on Activities
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.