What is a Tornado?
STEM Explained
Tornadoes are a common extreme weather phenomenon in Canada. How are they formed? How can you stay safe? And what is a storm chaser?
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.
Thundersnow: winter thunderstorms
STEM Explained
When thunder and lightning occur but the main form of precipitation is snow, not rain, it’s called thundersnow.
Lava Lamps
STEM Explained
Lava lamps are very interesting to look at. But they are also interesting examples of buoyancy, heat transfer and solubility!
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.
The Processes that Shape Landforms
STEM Explained
Canada has some amazing landforms. Learn how weathering, erosion and deposition shape landforms.
How can chemistry help you take care of your teeth?
STEM Explained
What are your teeth made up of? What chemistry is at work in your mouth? Why do some people get cavities even if they brush regularly?
Why a Trip to Outer Space Could Be Bad for Your Bones
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.
Why are Guppies so Diverse?
STEM Explained
Different members of a species can have different traits. You can see this in a species found at your local pet store - guppies!
Why Do Curveballs Curve?
STEM Explained
Bernoulli’s equation is key to understanding why curveballs curve.
Why Do Ice Rinks Stay Frozen?
STEM Explained
Every ice rink is an example of molecular bonding and gas laws at work!
Why Do People Get Hangovers?
STEM Explained
Why does drinking too much alcohol make people feel so bad? Read about four theories.
Why Scientists Believe in Evolution
STEM Explained
Scientists have accumulated so much evidence in the theory of evolution that it is one of the most widely-accepted theories in science.
Why Do So Many People Get Cancer?
STEM Explained
We all know someone who has been affected by cancer. What causes cancer? Why is it getting more common?
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.