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Biology

Lacks historical marker in Clover, Virginia

Why is Henrietta Lacks Important?

STEM Explained

When the cells of Henrietta Lacks were collected by medical researchers after her death in 1951, it changed the future of medicine.

Weighing the hops

Hop To It! The Science Behind Beer

STEM Explained

Brewing beer involves a series of complex biochemical reactions.

Narwhals, polar bears and other common Arctic animals swim in the Arctic waters.  Image © id-work, iStock

How are Arctic Animals in Canada Affected by Climate Change?

STEM Explained

Arctic animals have evolved to thrive in harsh arctic ecosystems, but the environmental footprint created by climate change is affecting their survival.

bees on frame held by beekeeper

How are the World's Bee Populations Doing?

STEM Explained

Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.

How big were dinosaurs?

How big were dinosaurs?

Hands-on Activities

Some dinosaurs were very big! Compare the sizes of different dinosaurs to the sizes of familiar objects you see in your community.

Salmon aquaculture pens

Farmed Salmon vs. Wild Salmon

STEM Explained

Aquaculture is seen as a sustainable way to produce fish. But are farmed salmon better than wild fish?

Canaries were once used to signal dangers to miners. - Image © Vito Cangiulli, iStockPhoto.com

How Can Birds Help Monitor the Health of Ecosystems?

STEM Explained

Scientists can observe birds to get useful information about the health of, and changes in, an ecosystem.

Goldfish

Fish: Freshwater

Picture Collections

4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds

Woman having a panic attack

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.

Lac-Mégantic fire on the day of the train derailment

CSI Lac-Mégantic: How are victims identified after a disaster?

STEM Explained

Learn about forensic pathology and other methods scientists use, like analysing the skeletal system, to identify the dead after a disaster.

Bee exiting a bee house

Design & Build a Bee House

Lessons

Students will learn about the human impacts on bee populations as they design, test, build and observe a structure for solitary bees.

Hand holding oak tree seeds

Design & Build a Seed Saver

Lessons

Students will work collaboratively to design and build a structure that will protect a seed from the elements.

Assortment of seeds

Design & Build a Seed Sorter

Lessons

Students will work collaboratively to design and build a device that is able to sort seeds by size.

Dandelion seeds floating in the wind

Design & Build a Travelling Seed

Lessons

Students will work collaboratively to design and build models of seeds that can travel as far as possible.

Water falling on plants

Design & Build an Irrigation System

Lessons

Students will work collaboratively to design and build a simple irrigation system that transports water to at least two plants from one source without leaking.