![Scott Kelly et Terry Virts inspectent le système d’élimination du dioxyde de carbone de la SSI (Photo via Wikimedia Commons)](/sites/default/files/styles/resource_card_image_360x300_/public/2019-08/6572.jpg?itok=uSk7J690)
Carbon Dioxide on Earth and on the ISS
Backgrounders
Carbon dioxide is an important part of the air on Earth and in space. What is carbon dioxide? How is it measured? How can it affect us mentally and physically?
![People playing ice hockey](/sites/default/files/styles/resource_card_image_360x300_/public/2020-06/people_playing_hockey.png?itok=pPcyU2JG)
Why Do Ice Rinks Stay Frozen?
STEM Explained
Every ice rink is an example of molecular bonding and gas laws at work!
![A set of lipstick in various colours](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/Assortment_of_lipsticks.png?itok=z_U-KbdM)
The Chemistry of Lipstick
STEM Explained
Learn about the organic compounds that make up lipstick as well as about some of the chemistry that goes into this popular cosmetic.
![Soapy hands](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/soapy_hands.jpg?itok=22VihjnH)
Stupendous Suds
STEM Explained
Every time you wash your hands with soap, there are complex chemical reactions taking place.
![Opening can of pop](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Opening_can_soda_pop.png?itok=zJDIkoIl)
The Chemistry of Pop
STEM Explained
There’s a lot of cool chemistry in a can of pop! Learn how solubility, chemical equilibrium, acids & bases and gas laws work in some of your favourite drinks.
![Close-up of an amethyst geode](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/geode_close-up.jpg?itok=e0eo8bjg)
What is a Crystal?
STEM Explained
Learn what makes a crystal a crystal.
![Daisy Rosas Vargas | PhD. Candidate, Indiana University Daisy Rosas Vargas](/sites/default/files/styles/career_image/public/6152_13.jpg?itok=ma0a5r9k)
Daisy Rosas Vargas
Career Profiles
PhD. Candidate