![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!
![Nicole Brisson à un site minier](/sites/default/files/styles/career_image/public/2020-06/Nicole%20Brisson3.jpg?itok=zGzXFoCd)
Nicole Brisson
Career Profiles
Water and Tailings Engineer
![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.
![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
![Serina Hall](/sites/default/files/styles/career_image/public/2020-06/Serina%20Hall2.jpg?itok=2L40RCWU)
Serina Hall
Career Profiles
Mechanical Designer
![Mahadeo Sukhai](/sites/default/files/styles/career_image/public/2020-06/Mahadeo%20Sukhai.jpg?itok=KalcMoxm)
Mahadeo Sukhai
Vice President of Research & International Affairs and Chief Accessibility Officer
![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.
![Anne Simonen au travail](/sites/default/files/styles/career_image/public/2020-05/Anne%20Simonen.jpg?itok=6Km5oaX2)
Anne Simonen
Career Profiles
Civil Engineering Technologist
![Martina Bona](/sites/default/files/styles/career_image/public/2020-05/Martina%20Bona.jpg?itok=ZQ49gAeG)
Martina Bona
Career Profiles
Process Discipline Specialist
![Casting hot iron](/sites/default/files/styles/resource_card_image_360x300_/public/2020-04/casting_hot_iron.jpg?itok=mE6eP_bv)
What Causes Hot Things to Glow?
STEM Explained
Getting electrons excited by heat can cause certain materials to give off visible light when heated - like filaments in light bulbs.
Krysten Rutherford
Career Profiles
PhD Candidate, Oceanography
![Hubble Space Telescope as seen during a servicing mission in 2009](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/hubble_space_telescope.jpg?itok=eNoDBFx5)
Airborne & Space Telescopes
Backgrounders
Learn about telescopes that do their work high in Earth’s atmosphere and in space.
![Abstract light pattern](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/abstract_light.jpg?itok=MKGdyhIT)
Light and Its Properties
Backgrounders
Learn about light and its properties.
![Large diamond refracting light](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/big-round-cut-diamond.jpg?itok=KF0PkwqM)
Reflection and Refraction
Backgrounders
Learn about reflection and refraction and meet Emily Altiere, a PhD student in physics who studies lasers.