![Beamline Assembly at TRIUMF](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/beamline_assembly_triumf.jpg?itok=mmpDErn3)
Exploring Canada’s Particle Accelerators
STEM Explained
Particle accelerators have amazing applications - from growing food to making airplanes safe.
![Objects made from a variety of materials](/sites/default/files/styles/resource_card_image_360x300_/public/2021-02/Material_picture_collection.jpg?itok=_XnQZ_-V)
Properties of Materials
Picture Collections
10 images showing objects that are hard, soft, flexible, rigid, rough, smooth, strong, fragile, buoyant and non-buoyant
![A mole and the number of atoms or molecules in a mole](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/mole_on_hill.jpg?itok=K06_BGPZ)
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.
![Graphic representation of the DNA sequence](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/sequence-picture-colour.jpg?itok=0prfNju1)
Sanger Sequencing
Backgrounders
Learn about DNA sequencing and the Sanger Sequencing method.
![Package of seeds](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/package_of_seeds.jpg?itok=BwXsB7wg)
Seeds and Germination
Backgrounders
Learn what’s inside a tomato seed, how it travels, and all the things it needs to germinate and grow.
![Maturation of tomato fruit](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/tomato_fruit_maturation.jpg?itok=u72yWNxI)
The Life Cycle of a Tomato Plant
Backgrounders
Learn about the pollination, fertilization, germination and growth of tomato plants.
![Cross-section of the Earth showing layers.](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/earth-core-structure-with-geological-layers.jpg?itok=_R5VEnY-)
Why does the Earth have Layers?
STEM Explained
An in-depth look at how the Earth got its layers.
![Do you see a face in that electric socket? (michaeljmc, iStockPhoto)](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/green-wall-with-a-power-socket.jpg?itok=y7Atbmyc)
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!
![Cartoon Higgs boson particle (lineartestpilot, iStockphoto)](/sites/default/files/styles/resource_card_image_360x300_/public/2020-07/higgs_boson.png?itok=FydF8UeR)
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.
![Ice technician on a zamboni at an outdoor skating rink](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/zamboni_outdoor_rink.jpg?itok=nSmM8N5Y)
The Hidden Heroes of Hockey!
STEM Explained
Ice Technicians use math and physics in order to keep the ice ready for hockey.
![Infant receiving a vaccination](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/infant_immunization.jpg?itok=mEbcFghA)
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.
![The Jodrell Bank Lovell Telescope located in Cheshire, England](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/Jodrell_Bank_Lovell_Telescope.jpg?itok=TFL_abQu)
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.
![Skyglow from a city and highway](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/night_sky_and_highway.jpg?itok=5QVvQWHE)
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.
![Melissa Valdez at CERN](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/melissa_at_cern.jpg?itok=IIAtzvLK)
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.
![Bee on flower covered in pollen](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/pollen-covered_bee_on_flower.jpg?itok=sdTi3kzW)
Pollinators are Important!
STEM Explained
Insects and other animals that are pollinators of plants play an important role in ecosystems.