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Living World: Life Sustaining Processes

Medical supplies and Canada flag

Creating a Vaccine for COVID-19 in Canada

STEM Explained

Learn how vaccines are developed, how they work and how some scientists in Canada are researching vaccines for COVID-19.

Outdoor crime scene

You Be the Crime Scene Investigator

Lessons

Students will learn about crime scene investigation and its connections to cell biology and careers.

Icon showing a syringe on a shield

Herd Immunity: How Vaccines Protect the Most Vulnerable

Backgrounders

What is herd immunity and how does it protect some of the most vulnerable people in our communities?

Infant receiving a vaccination

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.

Labo de Heather McFarlane's

Heather E. McFarlane

Career Profiles

Assistant Professor & Canada Research Chair in Plant Cell Biology

Heather R. McFarlane is an Assistant Professor & Canada Research Chair in Plant Cell Biology for the University of Toronto.
Human kidney cross-section

Osmosis and Its Role in Human Biology and Health

STEM Explained

Learn how and where osmosis takes place in the digestive system and excretory system and the role of osmosis in kidney dialysis.

Coniferous and deciduous trees covered in snow

How Do Trees Survive in Winter?

STEM Explained

What adaptations and processes do trees in northern climates have to survive winter?

Tilia stem cross-section

Plant Cell Structures and Functions

Backgrounders

Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.

Leaf and the Sun

Plant Functions

Backgrounders

Learn about the important plant functions of photosynthesis, respiration and transpiration

Jillian Croke | Pharmacienne et pharmacienne gestionnaire

Jillian Croke

Pharmacist/Pharmacy Manager

Jillian Croke is a Pharmacist/Pharmacy Manager for Shoppers Drug Mart.
Screen capture from video "The Wacky History of Cell Theory”

The Wacky History of Cell Theory

STEM Explained

It took several scientists building on each other’s discoveries to come up with Cell Theory - one of the cornerstones of biology.

Water droplets on succulent leaves

How Do Plants Survive in the Desert?

STEM Explained

Plants need to exchange gases and water with their environment as part of photosynthesis. Some plant cells have evolved specifically for this purpose.

Why do leaves change colour in the fall?

Why do leaves change colour in the fall?

Hands-on Activities

How do the green leaves of summer change to vibrant colours in fall? Explore plant pigments in this chromatography activity.

Bottle of Measles, Mumps, Rubella (MMR) vaccine

Measles and Measles Prevention

STEM Explained

Learn about the measles virus, its impact and vaccination for prevention of the disease.

DNA "unzipping"

How can I obtain a sample of DNA?

Hands-on Activities

Be a biochemist! Learn how to extract DNA from an onion and find out what DNA looks like.