![portrait par Jose Chiriboga](/sites/default/files/styles/career_image/public/2024-02/Jose%20Chiriboga.jpg?itok=UFUexofU)
Jose Chiriboga (he/him)
Career Profiles
Senior Scientific Support Associate
![CO2 symbol in front of a school](/sites/default/files/styles/resource_card_image_360x300_/public/2024-06/2024_Original_CO2IndoorsOutdoors_Bil_ResourceHeader.jpg?itok=DIU5YP4K)
Carbon Dioxide: Outdoors and Indoors
Backgrounders
Learn about the importance of carbon dioxide, its sources and how people control it indoors.
![portrait de Dr. Paula Littlejohn](/sites/default/files/styles/career_image/public/2023-05/Paula%20Littlejohn.jpeg?itok=XB7NJlNJ)
Dr. Paula Littlejohn (she/her)
Career Profiles
Postdoctoral Research Fellow
![Le Dr Harpreet Kochhar devant un ordinateur dans son bureau.](/sites/default/files/styles/career_image/public/2022-06/Dr.%20Harpreet%20Kochhar.jpg?itok=4pQGRNfO)
Dr. Harpreet Kochhar
Career Profiles
President, Public Health Agency of Canada
![Yetong Dong headshot wearing lab coat](/sites/default/files/styles/career_image/public/2022-08/Yetong%20Dong.jpeg?itok=Bb22WPte)
Yetong Dong
Career Profiles
Research Assistant/Graduate Student
![Vegetables and fruits on display](/sites/default/files/styles/resource_card_image_360x300_/public/2022-04/vegetables-and-fruits.jpg?itok=crppXKAt)
Plant Pigments
Backgrounders
Why are there so many colours of plants? Learn about plant pigments and their role in plants.
![Pepper plants on the ISS](/sites/default/files/styles/resource_card_image_360x300_/public/2022-04/peppers_ISS.jpg?itok=87tPUQjm)
Tropisms in Plants
Backgrounders
Learn about the different ways that plants move in response to their environments.
![Plant Cells with Visible Chloroplasts](/sites/default/files/styles/resource_card_image_360x300_/public/2022-03/plant_leaf_cells_closeup.jpg?itok=-KZuT8ir)
Specialized Cells of the Leaf System
Backgrounders
Learn about the structure and function of the cells in leaves.
![Seedling with sunlight](/sites/default/files/styles/resource_card_image_360x300_/public/2022-04/seedling_sunlight.jpg?itok=FWDgKDZv)
Light & Plants
Backgrounders
Learn about the process of photosynthesis and how it is affected by light levels.
![Beijing National Olympic Stadium](/sites/default/files/styles/resource_card_image_360x300_/public/2022-02/Beijing_olympic_stadium.jpg?itok=JhuZmq0A)
Go for the Gold with STEM
STEM Explained
Learn about how STEM powers the Winter Olympics.
![Medical equipment used to check homeostasis](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/medical-equipment-and-instruments.jpg?itok=U2tm9YmB)
Introduction to Homeostasis and Regulation
Backgrounders
Learn about homeostasis and how the body regulates temperature, blood pressure, blood pH and blood sugar.
![3D rendering of the human digestive system](/sites/default/files/styles/resource_card_image_360x300_/public/2021-10/human-digestive-system-anatomy.jpg?itok=2hig3KT-)
How Animals Digest Their Food
Backgrounders
Learn about how different animals digest their foods and the organs of their digestive systems.
![3D Illustration of human lungs](/sites/default/files/styles/resource_card_image_360x300_/public/2021-10/Human-lungs.jpg?itok=8tcxai2_)
Respiratory System in Vertebrate Animals
Backgrounders
Learn about how different animals breathe, from fish to humans.
![Embryonic stem cells](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/Event%20Card%20Template%20-%20Symposiums%202020_21.png?itok=KJPV_u8Z)
Resources on Stem Cells
STEM Explained
Resource page including articles and career profiles related to stem cells.