![Erica Dupuis montrant comment utiliser un stéthoscope à une jeune fille](/sites/default/files/styles/career_image/public/2020-10/Erica%20Dupuis_0.png?itok=fzaOIntO)
Erica Dupuis
Cardiac Registered Nurse
![Outdoor crime scene](/sites/default/files/styles/resource_card_image_360x300_/public/2020-09/crime-scene-outdoor.jpg?itok=hq_OyeI4)
You Be the Crime Scene Investigator
Lessons
Students will learn about crime scene investigation and its connections to cell biology and careers.
![Labo de Heather McFarlane's](/sites/default/files/styles/career_image/public/2020-06/Heather%20M%27s%20Lab.jpg?itok=i1PiN2C_)
Heather E. McFarlane
Career Profiles
Assistant Professor & Canada Research Chair in Plant Cell Biology
![Human kidney cross-section](/sites/default/files/styles/resource_card_image_360x300_/public/2020-04/human-kidney-cross-section.jpg?itok=3VpDHDAd)
Osmosis and Its Role in Human Biology and Health
STEM Explained
Learn how and where osmosis takes place in the digestive system and excretory system and the role of osmosis in kidney dialysis.
![Coniferous and deciduous trees covered in snow](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/coniferous_deciduous_snow.jpg?itok=FwvMVkpV)
How Do Trees Survive in Winter?
STEM Explained
What adaptations and processes do trees in northern climates have to survive winter?
![Tilia stem cross-section](/sites/default/files/styles/resource_card_image_360x300_/public/2020-01/Tilia-stem_plant_cells.jpg?itok=5uh7WQ1j)
Plant Cell Structures and Functions
Backgrounders
Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.
![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
![Screen capture from video "The Wacky History of Cell Theory”](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/screen_shot_cell_theory.png?itok=XaFJP-YW)
The Wacky History of Cell Theory
STEM Explained
It took several scientists building on each other’s discoveries to come up with Cell Theory - one of the cornerstones of biology.
![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.
![What is in blood?](/sites/default/files/2019-08/wiki-Blood_cells.jpg)
What is in blood?
Hands-on Activities
Make a model of blood and learn about the function of each of the parts that makes up blood.
![Students studying outdoors on grass](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Friends-studying-on-grass.jpg?itok=lXTVfdrZ)
The Benefits of Going Outside
STEM Explained
Spending time outside has important physical and psychological benefits. It can even help you learn better!
![Former Canadian astronaut Robert Thirsk enjoys cycling on board the ISS](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Robert_Thirsk_cycling_on_ISS.jpg?itok=YDleE__K)
Spaceflight and Bone Loss
STEM Explained
Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.
![Replica of the earliest wooden model stethoscope](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/stethoscope_replica_ingenium.jpg?itok=RgHTg8L2)
Stethoscope Replica
Interactives
Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!
![young man smoking hookah](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/young_man_smoking_hookah.jpg?itok=-d6U0jCW)
Is Hookah Smoking Dangerous?
STEM Explained
Many people believe that hookah smoking is safer than cigarette smoking. But in fact, hookah smoking can be even more harmful to your health!