![Condensation on the window of the Apollo 12 Lunar Module, November 1969](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/Condensation_window_Apollo_12.jpg?itok=KtlUs1RV)
Humidity on Earth and on the ISS
Backgrounders
Humidity is an important part of life on Earth and life in space. This backgrounder explains what humidity is, how it is measured and how it affects us both mentally and physically.
![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 do I see colour?](/sites/default/files/2019-08/how-do-i-see-colour.jpg)
How do I see colour?
Hands-on Activities
How is light connected to the colours we see? In this STEAM activity make a colourful light catcher and discover why we see different colours?
![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?
![Colourful sunglasses](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/colourful_sunglasses.jpg?itok=mZ_pixQ-)
How Do We See Colour?
STEM Explained
How does the human eye see visible light as colour? And why do some people see more colours than others?
![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.
![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.
![heavy metal band](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Heavy_metal_band_0.jpg?itok=-Zc4rYXH)
A Taste of Heavy Metal
STEM Explained
Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.
![Chiara Toselli | PhD Candidate Chiara Toselli au travail dans un laboratoire](/sites/default/files/styles/career_image/public/6329_13.jpg?itok=kVyXb4uK)
Chiara Toselli
Career Profiles
PhD Candidate
![Nguyen-Vi MOHAMED | Postdoctoral fellow Nguyen-Vi Mohamed | Chercheuse postdoctorale en neuropathologies](/sites/default/files/styles/career_image/public/6325_13.jpg?itok=UFXi7u7X)
Nguyen-Vi Mohamed
Career Profiles
Postdoctoral fellow in Neuropathologies
![Rachel Gardiner | Optometrist Rachel Gardiner | Optométriste](/sites/default/files/styles/career_image/public/6206_13.jpg?itok=83toFPFf)
Rachel Gardiner
Career Profiles
Optometrist
![Norbert Lake | Chiropractor and Healthcare Consultant Norbert Lake | Chiropraticien](/sites/default/files/styles/career_image/public/5782_13.jpg?itok=_JVNmL3j)
Norbert Lake
Career Profiles
Chiropractor and Healthcare Consultant
![Cary Supalo | Research Scientist Cary Supalo | Chercheur scientifique](/sites/default/files/styles/career_image/public/4759_13.jpg?itok=X9RznNsv)
Cary Supalo
Career Profiles
Research Scientist