Properties of Materials
Picture Collections
10 images showing objects that are hard, soft, flexible, rigid, rough, smooth, strong, fragile, buoyant and non-buoyant
Moles and Molarity: Counting and Chemistry from Donuts to Soap
STEM Explained
To count tiny things like atoms and molecules, scientists use a measurement called the mole.
Sanger Sequencing
Backgrounders
Learn about DNA sequencing and the Sanger Sequencing method.
Seeds and Germination
Backgrounders
Learn what’s inside a tomato seed, how it travels, and all the things it needs to germinate and grow.
The Life Cycle of a Tomato Plant
Backgrounders
Learn about the pollination, fertilization, germination and growth of tomato plants.
Why does the Earth have Layers?
STEM Explained
An in-depth look at how the Earth got its layers.
Facial Recognition and the Brain
STEM Explained
Learn how your brain recognizes faces and why you sometimes see them in places they don’t exist!
Why Care About the Higgs Boson?
STEM Explained
Physicists are a bit like chefs, except they’re trying to figure out the recipe for the universe.
The Hidden Heroes of Hockey!
STEM Explained
Ice Technicians use math and physics in order to keep the ice ready for hockey.
Immunity and Vaccination
Backgrounders
Learn about the history of vaccines and how vaccines trigger an immune response that keep us from getting some dangerous diseases.
Telescopes and Astronomy
Backgrounders
Visible light is only part of what astronomers study. They use different types of telescopes to study the entire electromagnetic spectrum.
Introduction to Quantum Mechanics
STEM Explained
Learn what quantum mechanics is, the history of its development and the ways we use it today.
Light Pollution
STEM Explained
Light can be a type of pollution. Learn about the damage it causes to people and living things as well as how you can prevent it.
Antimatter and Why It Matters to Me
STEM Explained
Melissa Valdez talks about her exciting work on antimatter at CERN when she was a graduate student at York University.
Pollinators are Important!
STEM Explained
Insects and other animals that are pollinators of plants play an important role in ecosystems.