![How fast can you react?](/sites/default/files/2019-08/how-fast-can-you-react.jpg)
How fast can you react?
Hands-on Activities
What is a reflex? Test your reaction time and find out why reflexes are important in this challenge activity.
![How fast does a heart pump blood?](/sites/default/files/2019-08/pexels-stethoscope.jpeg)
How fast does a heart pump blood?
Hands-on Activities
Get active in this activity and explore the impact of exercise on your heart rate. Ready, set, GO!
![How much air do I breathe in?](/sites/default/files/2019-08/How-much-air-do-I-breathe-in.jpg)
How much air do I breathe in?
Hands-on Activities
Learn how to measure lung capacity and about the factors that can affect our lung capacity in this hands on activity.
![How much power is generated when climbing a set of stairs?](/sites/default/files/2019-08/how-much-power-is-generated-when-climbing-a-set-of-stairs.jpg)
How much power is generated when climbing a set of stairs?
Hands-on Activities
Put on your running shoes and sharpen your pencil! Investigate the mathematical connection between work and power in this hands-on activity.
![Snake with open mouth](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Snake_with_open_mouth.jpg?itok=9bjWhnVu)
How Snake Venom Kills… and Saves Lives
STEM Explained
Snake venom can be dangerous for your circulatory system, nervous system or muscular system. But it can also be very useful in medicine.
![Image © exdez, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Image%2C%2C.jpg?itok=ywUpwGCd)
How Can Your Doctor Use the Data in You?
STEM Explained
Scientists are training artificial intelligence to diagnose injuries using x-rays and other medical imagery of you (and millions of others). What improvements and other changes might this bring to the health care system?
![How do movies move?](/sites/default/files/2019-08/how-do-movies-move.jpg)
How do movies move?
Hands-on Activities
Explore the concept of persistence of vision in this hands on activity.
![Kids camping](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/children_camping.jpg?itok=Esv5ILLj)
How Do Sleeping Bags Work?
STEM Explained
How do our bodies get cold? How do sleeping bags keep us warm?
![aging through childhood, adulthood and old age](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/stages-of-woman.jpg?itok=LhPM5_xB)
Have Scientists Found a Way for People to Live Longer?
STEM Explained
Everything and everyone ages. But scientists have made discoveries about our cells and circulatory and immune systems that could potentially one day be used to increase human lifespans.
![Woman having a panic attack](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/woman-having-panic-disorder-in-city.jpg?itok=5lAyF1iB)
Chemical Equilibrium and Panic Attacks
STEM Explained
Panic attacks are scary and they upset your body’s chemical equilibrium. Learn what happens to acids & bases in your circulatory system during a panic attack.
![Lac-Mégantic fire on the day of the train derailment](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Lac_megantic_burning.jpg?itok=bfjuGRz5)
CSI Lac-Mégantic: How are victims identified after a disaster?
STEM Explained
Learn about forensic pathology and other methods scientists use, like analysing the skeletal system, to identify the dead after a disaster.
![woman with camera](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/woman_with_camera.jpg?itok=RPlx-udx)
Eye vs. Camera
STEM Explained
The human eye lets us see the world by sending impulses to our nervous system. In many ways, it is very similar to other optical devices, including cameras.
![Cocoa beans and cocoa powder](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/cocoa-beans-and-powder.jpg?itok=IWN1XDWK)
Can Chocolate Make Your Brain Work Better?
STEM Explained
Researchers have found that consuming foods rich in flavanols is linked to more efficient blood flow, which can improve brain function.
![T cells and cancer cells - Image © Meletios Verras, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/T%20cells%20and%20cancer%20cells.jpg?itok=H8EzjFj9)
Can Your Own Cells Cure Cancer?
STEM Explained
When a person has cancer, CAR-T Therapy uses their own cells to destroy the cancer cells in their body.
![Image © TLFurrer, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/6675.jpg?itok=rmr9LK-v)
Are Microbes Your Friend or Foe?
STEM Explained
Microbes are everywhere, even in your digestive tract. Some of these microbes are helpful, and some aren’t.